Initial commit

node_modules/nodegit/vendor/libgit2/tests/index/add.c

@@ -0,0 +1,84 @@
+#include "clar_libgit2.h"
+
+static git_repository *g_repo = NULL;
+static git_index *g_index = NULL;
+
+static const char *valid_blob_id = "fa49b077972391ad58037050f2a75f74e3671e92";
+static const char *valid_tree_id = "181037049a54a1eb5fab404658a3a250b44335d7";
+static const char *valid_commit_id = "763d71aadf09a7951596c9746c024e7eece7c7af";
+static const char *invalid_id = "1234567890123456789012345678901234567890";
+
+void test_index_add__initialize(void)
+{
+	g_repo = cl_git_sandbox_init("testrepo");
+	cl_git_pass(git_repository_index(&g_index, g_repo));
+}
+
+void test_index_add__cleanup(void)
+{
+	git_index_free(g_index);
+	cl_git_sandbox_cleanup();
+	g_repo = NULL;
+
+	cl_git_pass(git_libgit2_opts(GIT_OPT_ENABLE_STRICT_OBJECT_CREATION, 1));
+}
+
+static void test_add_entry(
+	bool should_succeed, const char *idstr, git_filemode_t mode)
+{
+	git_index_entry entry = {{0}};
+
+	cl_git_pass(git_oid_fromstr(&entry.id, idstr));
+
+	entry.path = mode == GIT_FILEMODE_TREE ? "test_folder" : "test_file";
+	entry.mode = mode;
+
+	if (should_succeed)
+		cl_git_pass(git_index_add(g_index, &entry));
+	else
+		cl_git_fail(git_index_add(g_index, &entry));
+}
+
+void test_index_add__invalid_entries_succeeds_by_default(void)
+{
+	/*
+	 * Ensure that there is validation on object ids by default
+	 */
+
+	/* ensure that we can add some actually good entries */
+	test_add_entry(true, valid_blob_id, GIT_FILEMODE_BLOB);
+	test_add_entry(true, valid_blob_id, GIT_FILEMODE_BLOB_EXECUTABLE);
+	test_add_entry(true, valid_blob_id, GIT_FILEMODE_LINK);
+
+	/* test that we fail to add some invalid (missing) blobs and trees */
+	test_add_entry(false, invalid_id, GIT_FILEMODE_BLOB);
+	test_add_entry(false, invalid_id, GIT_FILEMODE_BLOB_EXECUTABLE);
+	test_add_entry(false, invalid_id, GIT_FILEMODE_LINK);
+
+	/* test that we validate the types of objects */
+	test_add_entry(false, valid_commit_id, GIT_FILEMODE_BLOB);
+	test_add_entry(false, valid_tree_id, GIT_FILEMODE_BLOB_EXECUTABLE);
+	test_add_entry(false, valid_commit_id, GIT_FILEMODE_LINK);
+
+	/*
+	 * Ensure that there we can disable validation
+	 */
+
+	cl_git_pass(git_libgit2_opts(GIT_OPT_ENABLE_STRICT_OBJECT_CREATION, 0));
+
+	/* ensure that we can add some actually good entries */
+	test_add_entry(true, valid_blob_id, GIT_FILEMODE_BLOB);
+	test_add_entry(true, valid_blob_id, GIT_FILEMODE_BLOB_EXECUTABLE);
+	test_add_entry(true, valid_blob_id, GIT_FILEMODE_LINK);
+
+	/* test that we can now add some invalid (missing) blobs and trees */
+	test_add_entry(true, invalid_id, GIT_FILEMODE_BLOB);
+	test_add_entry(true, invalid_id, GIT_FILEMODE_BLOB_EXECUTABLE);
+	test_add_entry(true, invalid_id, GIT_FILEMODE_LINK);
+
+	/* test that we do not validate the types of objects */
+	test_add_entry(true, valid_commit_id, GIT_FILEMODE_BLOB);
+	test_add_entry(true, valid_tree_id, GIT_FILEMODE_BLOB_EXECUTABLE);
+	test_add_entry(true, valid_commit_id, GIT_FILEMODE_LINK);
+}
+

node_modules/nodegit/vendor/libgit2/tests/index/addall.c

@@ -0,0 +1,498 @@
+#include "clar_libgit2.h"
+#include "../status/status_helpers.h"
+#include "posix.h"
+#include "futils.h"
+
+static git_repository *g_repo = NULL;
+#define TEST_DIR "addall"
+
+void test_index_addall__initialize(void)
+{
+}
+
+void test_index_addall__cleanup(void)
+{
+	cl_git_sandbox_cleanup();
+}
+
+#define STATUS_INDEX_FLAGS \
+	(GIT_STATUS_INDEX_NEW | GIT_STATUS_INDEX_MODIFIED | \
+	 GIT_STATUS_INDEX_DELETED | GIT_STATUS_INDEX_RENAMED | \
+	 GIT_STATUS_INDEX_TYPECHANGE)
+
+#define STATUS_WT_FLAGS \
+	(GIT_STATUS_WT_NEW | GIT_STATUS_WT_MODIFIED | \
+	 GIT_STATUS_WT_DELETED | GIT_STATUS_WT_TYPECHANGE | \
+	 GIT_STATUS_WT_RENAMED)
+
+typedef struct {
+	size_t index_adds;
+	size_t index_dels;
+	size_t index_mods;
+	size_t wt_adds;
+	size_t wt_dels;
+	size_t wt_mods;
+	size_t ignores;
+	size_t conflicts;
+} index_status_counts;
+
+static int index_status_cb(
+	const char *path, unsigned int status_flags, void *payload)
+{
+	index_status_counts *vals = payload;
+
+	/* cb_status__print(path, status_flags, NULL); */
+
+	GIT_UNUSED(path);
+
+	if (status_flags & GIT_STATUS_INDEX_NEW)
+		vals->index_adds++;
+	if (status_flags & GIT_STATUS_INDEX_MODIFIED)
+		vals->index_mods++;
+	if (status_flags & GIT_STATUS_INDEX_DELETED)
+		vals->index_dels++;
+	if (status_flags & GIT_STATUS_INDEX_TYPECHANGE)
+		vals->index_mods++;
+
+	if (status_flags & GIT_STATUS_WT_NEW)
+		vals->wt_adds++;
+	if (status_flags & GIT_STATUS_WT_MODIFIED)
+		vals->wt_mods++;
+	if (status_flags & GIT_STATUS_WT_DELETED)
+		vals->wt_dels++;
+	if (status_flags & GIT_STATUS_WT_TYPECHANGE)
+		vals->wt_mods++;
+
+	if (status_flags & GIT_STATUS_IGNORED)
+		vals->ignores++;
+	if (status_flags & GIT_STATUS_CONFLICTED)
+		vals->conflicts++;
+
+	return 0;
+}
+
+static void check_status_at_line(
+	git_repository *repo,
+	size_t index_adds, size_t index_dels, size_t index_mods,
+	size_t wt_adds, size_t wt_dels, size_t wt_mods, size_t ignores,
+	size_t conflicts, const char *file, int line)
+{
+	index_status_counts vals;
+
+	memset(&vals, 0, sizeof(vals));
+
+	cl_git_pass(git_status_foreach(repo, index_status_cb, &vals));
+
+	clar__assert_equal(
+		file,line,"wrong index adds", 1, "%"PRIuZ, index_adds, vals.index_adds);
+	clar__assert_equal(
+		file,line,"wrong index dels", 1, "%"PRIuZ, index_dels, vals.index_dels);
+	clar__assert_equal(
+		file,line,"wrong index mods", 1, "%"PRIuZ, index_mods, vals.index_mods);
+	clar__assert_equal(
+		file,line,"wrong workdir adds", 1, "%"PRIuZ, wt_adds, vals.wt_adds);
+	clar__assert_equal(
+		file,line,"wrong workdir dels", 1, "%"PRIuZ, wt_dels, vals.wt_dels);
+	clar__assert_equal(
+		file,line,"wrong workdir mods", 1, "%"PRIuZ, wt_mods, vals.wt_mods);
+	clar__assert_equal(
+		file,line,"wrong ignores", 1, "%"PRIuZ, ignores, vals.ignores);
+	clar__assert_equal(
+		file,line,"wrong conflicts", 1, "%"PRIuZ, conflicts, vals.conflicts);
+}
+
+#define check_status(R,IA,ID,IM,WA,WD,WM,IG,C) \
+	check_status_at_line(R,IA,ID,IM,WA,WD,WM,IG,C,__FILE__,__LINE__)
+
+static void check_stat_data(git_index *index, const char *path, bool match)
+{
+	const git_index_entry *entry;
+	struct stat st;
+
+	cl_must_pass(p_lstat(path, &st));
+
+	/* skip repo base dir name */
+	while (*path != '/')
+		++path;
+	++path;
+
+	entry = git_index_get_bypath(index, path, 0);
+	cl_assert(entry);
+
+	if (match) {
+		cl_assert(st.st_ctime == entry->ctime.seconds);
+		cl_assert(st.st_mtime == entry->mtime.seconds);
+		cl_assert(st.st_size == entry->file_size);
+		cl_assert((uint32_t)st.st_uid  == entry->uid);
+		cl_assert((uint32_t)st.st_gid  == entry->gid);
+		cl_assert_equal_i_fmt(
+			GIT_MODE_TYPE(st.st_mode), GIT_MODE_TYPE(entry->mode), "%07o");
+		if (cl_is_chmod_supported())
+			cl_assert_equal_b(
+				GIT_PERMS_IS_EXEC(st.st_mode), GIT_PERMS_IS_EXEC(entry->mode));
+	} else {
+		/* most things will still match */
+		cl_assert(st.st_size != entry->file_size);
+		/* would check mtime, but with second resolution it won't work :( */
+	}
+}
+
+static void addall_create_test_repo(bool check_every_step)
+{
+	g_repo = cl_git_sandbox_init_new(TEST_DIR);
+
+	if (check_every_step)
+		check_status(g_repo, 0, 0, 0, 0, 0, 0, 0, 0);
+
+	cl_git_mkfile(TEST_DIR "/file.foo", "a file");
+	if (check_every_step)
+		check_status(g_repo, 0, 0, 0, 1, 0, 0, 0, 0);
+
+	cl_git_mkfile(TEST_DIR "/.gitignore", "*.foo\n");
+	if (check_every_step)
+		check_status(g_repo, 0, 0, 0, 1, 0, 0, 1, 0);
+
+	cl_git_mkfile(TEST_DIR "/file.bar", "another file");
+	if (check_every_step)
+		check_status(g_repo, 0, 0, 0, 2, 0, 0, 1, 0);
+}
+
+void test_index_addall__repo_lifecycle(void)
+{
+	int error;
+	git_index *index;
+	git_strarray paths = { NULL, 0 };
+	char *strs[1];
+
+	addall_create_test_repo(true);
+
+	cl_git_pass(git_repository_index(&index, g_repo));
+
+	strs[0] = "file.*";
+	paths.strings = strs;
+	paths.count   = 1;
+
+	cl_git_pass(git_index_add_all(index, &paths, 0, NULL, NULL));
+	cl_git_pass(git_index_write(index));
+	check_stat_data(index, TEST_DIR "/file.bar", true);
+	check_status(g_repo, 1, 0, 0, 1, 0, 0, 1, 0);
+
+	cl_git_rewritefile(TEST_DIR "/file.bar", "new content for file");
+	check_stat_data(index, TEST_DIR "/file.bar", false);
+	check_status(g_repo, 1, 0, 0, 1, 0, 1, 1, 0);
+
+	cl_git_mkfile(TEST_DIR "/file.zzz", "yet another one");
+	cl_git_mkfile(TEST_DIR "/other.zzz", "yet another one");
+	cl_git_mkfile(TEST_DIR "/more.zzz", "yet another one");
+	check_status(g_repo, 1, 0, 0, 4, 0, 1, 1, 0);
+
+	cl_git_pass(git_index_update_all(index, NULL, NULL, NULL));
+	check_stat_data(index, TEST_DIR "/file.bar", true);
+	check_status(g_repo, 1, 0, 0, 4, 0, 0, 1, 0);
+
+	cl_git_pass(git_index_add_all(index, &paths, 0, NULL, NULL));
+	cl_git_pass(git_index_write(index));
+	check_stat_data(index, TEST_DIR "/file.zzz", true);
+	check_status(g_repo, 2, 0, 0, 3, 0, 0, 1, 0);
+
+	cl_repo_commit_from_index(NULL, g_repo, NULL, 0, "first commit");
+	check_status(g_repo, 0, 0, 0, 3, 0, 0, 1, 0);
+
+	if (cl_repo_get_bool(g_repo, "core.filemode")) {
+		cl_git_pass(git_index_update_all(index, NULL, NULL, NULL));
+		cl_must_pass(p_chmod(TEST_DIR "/file.zzz", 0777));
+		cl_git_pass(git_index_update_all(index, NULL, NULL, NULL));
+		check_status(g_repo, 0, 0, 1, 3, 0, 0, 1, 0);
+
+		/* go back to what we had before */
+		cl_must_pass(p_chmod(TEST_DIR "/file.zzz", 0666));
+		cl_git_pass(git_index_update_all(index, NULL, NULL, NULL));
+		check_status(g_repo, 0, 0, 0, 3, 0, 0, 1, 0);
+	}
+
+
+	/* attempt to add an ignored file - does nothing */
+	strs[0] = "file.foo";
+	cl_git_pass(git_index_add_all(index, &paths, 0, NULL, NULL));
+	cl_git_pass(git_index_write(index));
+	check_status(g_repo, 0, 0, 0, 3, 0, 0, 1, 0);
+
+	/* add with check - should generate error */
+	error = git_index_add_all(
+		index, &paths, GIT_INDEX_ADD_CHECK_PATHSPEC, NULL, NULL);
+	cl_assert_equal_i(GIT_EINVALIDSPEC, error);
+	cl_git_pass(git_index_write(index));
+	check_status(g_repo, 0, 0, 0, 3, 0, 0, 1, 0);
+
+	/* add with force - should allow */
+	cl_git_pass(git_index_add_all(
+		index, &paths, GIT_INDEX_ADD_FORCE, NULL, NULL));
+	cl_git_pass(git_index_write(index));
+	check_stat_data(index, TEST_DIR "/file.foo", true);
+	check_status(g_repo, 1, 0, 0, 3, 0, 0, 0, 0);
+
+	/* now it's in the index, so regular add should work */
+	cl_git_rewritefile(TEST_DIR "/file.foo", "new content for file");
+	check_stat_data(index, TEST_DIR "/file.foo", false);
+	check_status(g_repo, 1, 0, 0, 3, 0, 1, 0, 0);
+
+	cl_git_pass(git_index_add_all(index, &paths, 0, NULL, NULL));
+	cl_git_pass(git_index_write(index));
+	check_stat_data(index, TEST_DIR "/file.foo", true);
+	check_status(g_repo, 1, 0, 0, 3, 0, 0, 0, 0);
+
+	cl_git_pass(git_index_add_bypath(index, "more.zzz"));
+	check_stat_data(index, TEST_DIR "/more.zzz", true);
+	check_status(g_repo, 2, 0, 0, 2, 0, 0, 0, 0);
+
+	cl_git_rewritefile(TEST_DIR "/file.zzz", "new content for file");
+	check_status(g_repo, 2, 0, 0, 2, 0, 1, 0, 0);
+
+	cl_git_pass(git_index_add_bypath(index, "file.zzz"));
+	check_stat_data(index, TEST_DIR "/file.zzz", true);
+	check_status(g_repo, 2, 0, 1, 2, 0, 0, 0, 0);
+
+	strs[0] = "*.zzz";
+	cl_git_pass(git_index_remove_all(index, &paths, NULL, NULL));
+	check_status(g_repo, 1, 1, 0, 4, 0, 0, 0, 0);
+
+	cl_git_pass(git_index_add_bypath(index, "file.zzz"));
+	check_status(g_repo, 1, 0, 1, 3, 0, 0, 0, 0);
+
+	cl_repo_commit_from_index(NULL, g_repo, NULL, 0, "second commit");
+	check_status(g_repo, 0, 0, 0, 3, 0, 0, 0, 0);
+
+	cl_must_pass(p_unlink(TEST_DIR "/file.zzz"));
+	check_status(g_repo, 0, 0, 0, 3, 1, 0, 0, 0);
+
+	/* update_all should be able to remove entries */
+	cl_git_pass(git_index_update_all(index, NULL, NULL, NULL));
+	check_status(g_repo, 0, 1, 0, 3, 0, 0, 0, 0);
+
+	strs[0] = "*";
+	cl_git_pass(git_index_add_all(index, &paths, 0, NULL, NULL));
+	cl_git_pass(git_index_write(index));
+	check_status(g_repo, 3, 1, 0, 0, 0, 0, 0, 0);
+
+	/* must be able to remove at any position while still updating other files */
+	cl_must_pass(p_unlink(TEST_DIR "/.gitignore"));
+	cl_git_rewritefile(TEST_DIR "/file.zzz", "reconstructed file");
+	cl_git_rewritefile(TEST_DIR "/more.zzz", "altered file reality");
+	check_status(g_repo, 3, 1, 0, 1, 1, 1, 0, 0);
+
+	cl_git_pass(git_index_update_all(index, NULL, NULL, NULL));
+	check_status(g_repo, 2, 1, 0, 1, 0, 0, 0, 0);
+	/* this behavior actually matches 'git add -u' where "file.zzz" has
+	 * been removed from the index, so when you go to update, even though
+	 * it exists in the HEAD, it is not re-added to the index, leaving it
+	 * as a DELETE when comparing HEAD to index and as an ADD comparing
+	 * index to worktree
+	 */
+
+	git_index_free(index);
+}
+
+void test_index_addall__files_in_folders(void)
+{
+	git_index *index;
+
+	addall_create_test_repo(true);
+
+	cl_git_pass(git_repository_index(&index, g_repo));
+
+	cl_git_pass(git_index_add_all(index, NULL, 0, NULL, NULL));
+	cl_git_pass(git_index_write(index));
+	check_stat_data(index, TEST_DIR "/file.bar", true);
+	check_status(g_repo, 2, 0, 0, 0, 0, 0, 1, 0);
+
+	cl_must_pass(p_mkdir(TEST_DIR "/subdir", 0777));
+	cl_git_mkfile(TEST_DIR "/subdir/file", "hello!\n");
+	check_status(g_repo, 2, 0, 0, 1, 0, 0, 1, 0);
+
+	cl_git_pass(git_index_add_all(index, NULL, 0, NULL, NULL));
+	cl_git_pass(git_index_write(index));
+	check_status(g_repo, 3, 0, 0, 0, 0, 0, 1, 0);
+
+	git_index_free(index);
+}
+
+void test_index_addall__hidden_files(void)
+{
+	git_index *index;
+
+	GIT_UNUSED(index);
+
+#ifdef GIT_WIN32
+	addall_create_test_repo(true);
+
+	cl_git_pass(git_repository_index(&index, g_repo));
+
+	cl_git_pass(git_index_add_all(index, NULL, 0, NULL, NULL));
+	cl_git_pass(git_index_write(index));
+	check_stat_data(index, TEST_DIR "/file.bar", true);
+	check_status(g_repo, 2, 0, 0, 0, 0, 0, 1, 0);
+
+	cl_git_mkfile(TEST_DIR "/file.zzz", "yet another one");
+	cl_git_mkfile(TEST_DIR "/more.zzz", "yet another one");
+	cl_git_mkfile(TEST_DIR "/other.zzz", "yet another one");
+
+	check_status(g_repo, 2, 0, 0, 3, 0, 0, 1, 0);
+
+	cl_git_pass(git_win32__set_hidden(TEST_DIR "/file.zzz", true));
+	cl_git_pass(git_win32__set_hidden(TEST_DIR "/more.zzz", true));
+	cl_git_pass(git_win32__set_hidden(TEST_DIR "/other.zzz", true));
+
+	check_status(g_repo, 2, 0, 0, 3, 0, 0, 1, 0);
+
+	cl_git_pass(git_index_add_all(index, NULL, 0, NULL, NULL));
+	cl_git_pass(git_index_write(index));
+	check_stat_data(index, TEST_DIR "/file.bar", true);
+	check_status(g_repo, 5, 0, 0, 0, 0, 0, 1, 0);
+
+	git_index_free(index);
+#endif
+}
+
+static int addall_match_prefix(
+	const char *path, const char *matched_pathspec, void *payload)
+{
+	GIT_UNUSED(matched_pathspec);
+	return !git__prefixcmp(path, payload) ? 0 : 1;
+}
+
+static int addall_match_suffix(
+	const char *path, const char *matched_pathspec, void *payload)
+{
+	GIT_UNUSED(matched_pathspec);
+	return !git__suffixcmp(path, payload) ? 0 : 1;
+}
+
+static int addall_cancel_at(
+	const char *path, const char *matched_pathspec, void *payload)
+{
+	GIT_UNUSED(matched_pathspec);
+	return !strcmp(path, payload) ? -123 : 0;
+}
+
+void test_index_addall__callback_filtering(void)
+{
+	git_index *index;
+
+	addall_create_test_repo(false);
+
+	cl_git_pass(git_repository_index(&index, g_repo));
+
+	cl_git_pass(
+		git_index_add_all(index, NULL, 0, addall_match_prefix, "file."));
+	cl_git_pass(git_index_write(index));
+	check_stat_data(index, TEST_DIR "/file.bar", true);
+	check_status(g_repo, 1, 0, 0, 1, 0, 0, 1, 0);
+
+	cl_git_mkfile(TEST_DIR "/file.zzz", "yet another one");
+	cl_git_mkfile(TEST_DIR "/more.zzz", "yet another one");
+	cl_git_mkfile(TEST_DIR "/other.zzz", "yet another one");
+
+	cl_git_pass(git_index_update_all(index, NULL, NULL, NULL));
+	check_stat_data(index, TEST_DIR "/file.bar", true);
+	check_status(g_repo, 1, 0, 0, 4, 0, 0, 1, 0);
+
+	cl_git_pass(
+		git_index_add_all(index, NULL, 0, addall_match_prefix, "other"));
+	cl_git_pass(git_index_write(index));
+	check_stat_data(index, TEST_DIR "/other.zzz", true);
+	check_status(g_repo, 2, 0, 0, 3, 0, 0, 1, 0);
+
+	cl_git_pass(
+		git_index_add_all(index, NULL, 0, addall_match_suffix, ".zzz"));
+	cl_git_pass(git_index_write(index));
+	check_status(g_repo, 4, 0, 0, 1, 0, 0, 1, 0);
+
+	cl_git_pass(
+		git_index_remove_all(index, NULL, addall_match_suffix, ".zzz"));
+	check_status(g_repo, 1, 0, 0, 4, 0, 0, 1, 0);
+
+	cl_git_fail_with(
+		git_index_add_all(index, NULL, 0, addall_cancel_at, "more.zzz"), -123);
+	check_status(g_repo, 3, 0, 0, 2, 0, 0, 1, 0);
+
+	cl_git_fail_with(
+		git_index_add_all(index, NULL, 0, addall_cancel_at, "other.zzz"), -123);
+	check_status(g_repo, 4, 0, 0, 1, 0, 0, 1, 0);
+
+	cl_git_pass(
+		git_index_add_all(index, NULL, 0, addall_match_suffix, ".zzz"));
+	cl_git_pass(git_index_write(index));
+	check_status(g_repo, 5, 0, 0, 0, 0, 0, 1, 0);
+
+	cl_must_pass(p_unlink(TEST_DIR "/file.zzz"));
+	cl_must_pass(p_unlink(TEST_DIR "/more.zzz"));
+	cl_must_pass(p_unlink(TEST_DIR "/other.zzz"));
+
+	cl_git_fail_with(
+		git_index_update_all(index, NULL, addall_cancel_at, "more.zzz"), -123);
+	/* file.zzz removed from index (so Index Adds 5 -> 4) and
+	 * more.zzz + other.zzz removed (so Worktree Dels 0 -> 2) */
+	check_status(g_repo, 4, 0, 0, 0, 2, 0, 1, 0);
+
+	cl_git_fail_with(
+		git_index_update_all(index, NULL, addall_cancel_at, "other.zzz"), -123);
+	/* more.zzz removed from index (so Index Adds 4 -> 3) and
+	 * Just other.zzz removed (so Worktree Dels 2 -> 1) */
+	check_status(g_repo, 3, 0, 0, 0, 1, 0, 1, 0);
+
+	git_index_free(index);
+}
+
+void test_index_addall__adds_conflicts(void)
+{
+	git_index *index;
+	git_reference *ref;
+	git_annotated_commit *annotated;
+
+	g_repo = cl_git_sandbox_init("merge-resolve");
+	cl_git_pass(git_repository_index(&index, g_repo));
+
+	check_status(g_repo, 0, 0, 0, 0, 0, 0, 0, 0);
+
+	cl_git_pass(git_reference_lookup(&ref, g_repo, "refs/heads/branch"));
+	cl_git_pass(git_annotated_commit_from_ref(&annotated, g_repo, ref));
+
+	cl_git_pass(git_merge(g_repo, (const git_annotated_commit**)&annotated, 1, NULL, NULL));
+	check_status(g_repo, 0, 1, 2, 0, 0, 0, 0, 1);
+
+	cl_git_pass(git_index_add_all(index, NULL, 0, NULL, NULL));
+	cl_git_pass(git_index_write(index));
+	check_status(g_repo, 0, 1, 3, 0, 0, 0, 0, 0);
+
+	git_annotated_commit_free(annotated);
+	git_reference_free(ref);
+	git_index_free(index);
+}
+
+void test_index_addall__removes_deleted_conflicted_files(void)
+{
+	git_index *index;
+	git_reference *ref;
+	git_annotated_commit *annotated;
+
+	g_repo = cl_git_sandbox_init("merge-resolve");
+	cl_git_pass(git_repository_index(&index, g_repo));
+
+	check_status(g_repo, 0, 0, 0, 0, 0, 0, 0, 0);
+
+	cl_git_pass(git_reference_lookup(&ref, g_repo, "refs/heads/branch"));
+	cl_git_pass(git_annotated_commit_from_ref(&annotated, g_repo, ref));
+
+	cl_git_pass(git_merge(g_repo, (const git_annotated_commit**)&annotated, 1, NULL, NULL));
+	check_status(g_repo, 0, 1, 2, 0, 0, 0, 0, 1);
+
+	cl_git_rmfile("merge-resolve/conflicting.txt");
+
+	cl_git_pass(git_index_add_all(index, NULL, 0, NULL, NULL));
+	cl_git_pass(git_index_write(index));
+	check_status(g_repo, 0, 2, 2, 0, 0, 0, 0, 0);
+
+	git_annotated_commit_free(annotated);
+	git_reference_free(ref);
+	git_index_free(index);
+}

node_modules/nodegit/vendor/libgit2/tests/index/bypath.c

@@ -0,0 +1,362 @@
+#include "clar_libgit2.h"
+#include "repository.h"
+#include "../submodule/submodule_helpers.h"
+
+static git_repository *g_repo;
+static git_index *g_idx;
+
+void test_index_bypath__initialize(void)
+{
+	g_repo = setup_fixture_submod2();
+	cl_git_pass(git_repository_index__weakptr(&g_idx, g_repo));
+}
+
+void test_index_bypath__cleanup(void)
+{
+	g_repo = NULL;
+	g_idx = NULL;
+}
+
+void test_index_bypath__add_directory(void)
+{
+	cl_git_fail_with(GIT_EDIRECTORY, git_index_add_bypath(g_idx, "just_a_dir"));
+}
+
+void test_index_bypath__add_submodule(void)
+{
+	unsigned int status;
+	const char *sm_name = "sm_changed_head";
+
+	cl_git_pass(git_submodule_status(&status, g_repo, sm_name, 0));
+	cl_assert_equal_i(GIT_SUBMODULE_STATUS_WD_MODIFIED, status & GIT_SUBMODULE_STATUS_WD_MODIFIED);
+	cl_git_pass(git_index_add_bypath(g_idx, sm_name));
+	cl_git_pass(git_submodule_status(&status, g_repo, sm_name, 0));
+	cl_assert_equal_i(0, status & GIT_SUBMODULE_STATUS_WD_MODIFIED);
+}
+
+void test_index_bypath__add_submodule_unregistered(void)
+{
+	const char *sm_name = "not-submodule";
+	const char *sm_head = "68e92c611b80ee1ed8f38314ff9577f0d15b2444";
+	const git_index_entry *entry;
+
+	cl_git_pass(git_index_add_bypath(g_idx, sm_name));
+
+	cl_assert(entry = git_index_get_bypath(g_idx, sm_name, 0));
+	cl_assert_equal_s(sm_head, git_oid_tostr_s(&entry->id));
+	cl_assert_equal_s(sm_name, entry->path);
+}
+
+void test_index_bypath__add_hidden(void)
+{
+	const git_index_entry *entry;
+	bool hidden;
+
+	GIT_UNUSED(entry);
+	GIT_UNUSED(hidden);
+
+#ifdef GIT_WIN32
+	cl_git_mkfile("submod2/hidden_file", "you can't see me");
+
+	cl_git_pass(git_win32__hidden(&hidden, "submod2/hidden_file"));
+	cl_assert(!hidden);
+
+	cl_git_pass(git_win32__set_hidden("submod2/hidden_file", true));
+
+	cl_git_pass(git_win32__hidden(&hidden, "submod2/hidden_file"));
+	cl_assert(hidden);
+
+	cl_git_pass(git_index_add_bypath(g_idx, "hidden_file"));
+
+	cl_assert(entry = git_index_get_bypath(g_idx, "hidden_file", 0));
+	cl_assert_equal_i(GIT_FILEMODE_BLOB, entry->mode);
+#endif
+}
+
+void test_index_bypath__add_keeps_existing_case(void)
+{
+	const git_index_entry *entry;
+
+	if (!cl_repo_get_bool(g_repo, "core.ignorecase"))
+		clar__skip();
+
+	cl_git_mkfile("submod2/just_a_dir/file1.txt", "This is a file");
+	cl_git_pass(git_index_add_bypath(g_idx, "just_a_dir/file1.txt"));
+
+	cl_assert(entry = git_index_get_bypath(g_idx, "just_a_dir/file1.txt", 0));
+	cl_assert_equal_s("just_a_dir/file1.txt", entry->path);
+
+	cl_git_rewritefile("submod2/just_a_dir/file1.txt", "Updated!");
+	cl_git_pass(git_index_add_bypath(g_idx, "just_a_dir/FILE1.txt"));
+
+	cl_assert(entry = git_index_get_bypath(g_idx, "just_a_dir/FILE1.txt", 0));
+	cl_assert_equal_s("just_a_dir/file1.txt", entry->path);
+}
+
+void test_index_bypath__add_honors_existing_case(void)
+{
+	const git_index_entry *entry;
+
+	if (!cl_repo_get_bool(g_repo, "core.ignorecase"))
+		clar__skip();
+
+	cl_git_mkfile("submod2/just_a_dir/file1.txt", "This is a file");
+	cl_git_mkfile("submod2/just_a_dir/file2.txt", "This is another file");
+	cl_git_mkfile("submod2/just_a_dir/file3.txt", "This is another file");
+	cl_git_mkfile("submod2/just_a_dir/file4.txt", "And another file");
+
+	cl_git_pass(git_index_add_bypath(g_idx, "just_a_dir/File1.txt"));
+	cl_git_pass(git_index_add_bypath(g_idx, "JUST_A_DIR/file2.txt"));
+	cl_git_pass(git_index_add_bypath(g_idx, "Just_A_Dir/FILE3.txt"));
+
+	cl_assert(entry = git_index_get_bypath(g_idx, "just_a_dir/File1.txt", 0));
+	cl_assert_equal_s("just_a_dir/File1.txt", entry->path);
+
+	cl_assert(entry = git_index_get_bypath(g_idx, "JUST_A_DIR/file2.txt", 0));
+	cl_assert_equal_s("just_a_dir/file2.txt", entry->path);
+
+	cl_assert(entry = git_index_get_bypath(g_idx, "Just_A_Dir/FILE3.txt", 0));
+	cl_assert_equal_s("just_a_dir/FILE3.txt", entry->path);
+
+	cl_git_rewritefile("submod2/just_a_dir/file3.txt", "Rewritten");
+	cl_git_pass(git_index_add_bypath(g_idx, "Just_A_Dir/file3.txt"));
+
+	cl_assert(entry = git_index_get_bypath(g_idx, "Just_A_Dir/file3.txt", 0));
+	cl_assert_equal_s("just_a_dir/FILE3.txt", entry->path);
+}
+
+void test_index_bypath__add_honors_existing_case_2(void)
+{
+	git_index_entry dummy = { { 0 } };
+	const git_index_entry *entry;
+
+	if (!cl_repo_get_bool(g_repo, "core.ignorecase"))
+		clar__skip();
+
+	dummy.mode = GIT_FILEMODE_BLOB;
+	cl_git_pass(git_oid_fromstr(&dummy.id, "f990a25a74d1a8281ce2ab018ea8df66795cd60b"));
+
+	/* note that `git_index_add` does no checking to canonical directories */
+	dummy.path = "Just_a_dir/file0.txt";
+	cl_git_pass(git_index_add(g_idx, &dummy));
+
+	dummy.path = "just_a_dir/fileA.txt";
+	cl_git_pass(git_index_add(g_idx, &dummy));
+
+	dummy.path = "Just_A_Dir/fileB.txt";
+	cl_git_pass(git_index_add(g_idx, &dummy));
+
+	dummy.path = "JUST_A_DIR/fileC.txt";
+	cl_git_pass(git_index_add(g_idx, &dummy));
+
+	dummy.path = "just_A_dir/fileD.txt";
+	cl_git_pass(git_index_add(g_idx, &dummy));
+
+	dummy.path = "JUST_a_DIR/fileE.txt";
+	cl_git_pass(git_index_add(g_idx, &dummy));
+
+	cl_git_mkfile("submod2/just_a_dir/file1.txt", "This is a file");
+	cl_git_mkfile("submod2/just_a_dir/file2.txt", "This is another file");
+	cl_git_mkfile("submod2/just_a_dir/file3.txt", "This is another file");
+	cl_git_mkfile("submod2/just_a_dir/file4.txt", "And another file");
+
+	cl_git_pass(git_index_add_bypath(g_idx, "just_a_dir/File1.txt"));
+	cl_git_pass(git_index_add_bypath(g_idx, "JUST_A_DIR/file2.txt"));
+	cl_git_pass(git_index_add_bypath(g_idx, "Just_A_Dir/FILE3.txt"));
+	cl_git_pass(git_index_add_bypath(g_idx, "JusT_A_DIR/FILE4.txt"));
+
+	cl_assert(entry = git_index_get_bypath(g_idx, "just_a_dir/File1.txt", 0));
+	cl_assert_equal_s("just_a_dir/File1.txt", entry->path);
+
+	cl_assert(entry = git_index_get_bypath(g_idx, "JUST_A_DIR/file2.txt", 0));
+	cl_assert_equal_s("JUST_A_DIR/file2.txt", entry->path);
+
+	cl_assert(entry = git_index_get_bypath(g_idx, "Just_A_Dir/FILE3.txt", 0));
+	cl_assert_equal_s("Just_A_Dir/FILE3.txt", entry->path);
+
+	cl_git_rewritefile("submod2/just_a_dir/file3.txt", "Rewritten");
+	cl_git_pass(git_index_add_bypath(g_idx, "Just_A_Dir/file3.txt"));
+
+	cl_assert(entry = git_index_get_bypath(g_idx, "Just_A_Dir/file3.txt", 0));
+	cl_assert_equal_s("Just_A_Dir/FILE3.txt", entry->path);
+}
+
+void test_index_bypath__add_honors_existing_case_3(void)
+{
+	git_index_entry dummy = { { 0 } };
+	const git_index_entry *entry;
+
+	if (!cl_repo_get_bool(g_repo, "core.ignorecase"))
+		clar__skip();
+
+	dummy.mode = GIT_FILEMODE_BLOB;
+	cl_git_pass(git_oid_fromstr(&dummy.id, "f990a25a74d1a8281ce2ab018ea8df66795cd60b"));
+
+	dummy.path = "just_a_dir/filea.txt";
+	cl_git_pass(git_index_add(g_idx, &dummy));
+
+	dummy.path = "Just_A_Dir/fileB.txt";
+	cl_git_pass(git_index_add(g_idx, &dummy));
+
+	dummy.path = "just_A_DIR/FILEC.txt";
+	cl_git_pass(git_index_add(g_idx, &dummy));
+
+	dummy.path = "Just_a_DIR/FileD.txt";
+	cl_git_pass(git_index_add(g_idx, &dummy));
+
+	cl_git_mkfile("submod2/JuSt_A_DiR/fILEE.txt", "This is a file");
+
+	cl_git_pass(git_index_add_bypath(g_idx, "just_a_dir/fILEE.txt"));
+
+	cl_assert(entry = git_index_get_bypath(g_idx, "JUST_A_DIR/fILEE.txt", 0));
+	cl_assert_equal_s("just_a_dir/fILEE.txt", entry->path);
+}
+
+void test_index_bypath__add_honors_existing_case_4(void)
+{
+	git_index_entry dummy = { { 0 } };
+	const git_index_entry *entry;
+
+	if (!cl_repo_get_bool(g_repo, "core.ignorecase"))
+		clar__skip();
+
+	dummy.mode = GIT_FILEMODE_BLOB;
+	cl_git_pass(git_oid_fromstr(&dummy.id, "f990a25a74d1a8281ce2ab018ea8df66795cd60b"));
+
+	dummy.path = "just_a_dir/a/b/c/d/e/file1.txt";
+	cl_git_pass(git_index_add(g_idx, &dummy));
+
+	dummy.path = "just_a_dir/a/B/C/D/E/file2.txt";
+	cl_git_pass(git_index_add(g_idx, &dummy));
+
+	cl_must_pass(p_mkdir("submod2/just_a_dir/a", 0777));
+	cl_must_pass(p_mkdir("submod2/just_a_dir/a/b", 0777));
+	cl_must_pass(p_mkdir("submod2/just_a_dir/a/b/z", 0777));
+	cl_must_pass(p_mkdir("submod2/just_a_dir/a/b/z/y", 0777));
+	cl_must_pass(p_mkdir("submod2/just_a_dir/a/b/z/y/x", 0777));
+
+	cl_git_mkfile("submod2/just_a_dir/a/b/z/y/x/FOO.txt", "This is a file");
+
+	cl_git_pass(git_index_add_bypath(g_idx, "just_a_dir/A/b/Z/y/X/foo.txt"));
+
+	cl_assert(entry = git_index_get_bypath(g_idx, "just_a_dir/A/b/Z/y/X/foo.txt", 0));
+	cl_assert_equal_s("just_a_dir/a/b/Z/y/X/foo.txt", entry->path);
+}
+
+void test_index_bypath__add_honors_mode(void)
+{
+	const git_index_entry *entry;
+	git_index_entry new_entry;
+
+	cl_assert((entry = git_index_get_bypath(g_idx, "README.txt", 0)) != NULL);
+
+	memcpy(&new_entry, entry, sizeof(git_index_entry));
+	new_entry.path = "README.txt";
+	new_entry.mode = GIT_FILEMODE_BLOB_EXECUTABLE;
+
+	cl_must_pass(p_chmod("submod2/README.txt", GIT_FILEMODE_BLOB_EXECUTABLE));
+
+	cl_git_pass(git_index_add(g_idx, &new_entry));
+	cl_git_pass(git_index_write(g_idx));
+
+	cl_git_rewritefile("submod2/README.txt", "Modified but still executable");
+
+	cl_git_pass(git_index_add_bypath(g_idx, "README.txt"));
+	cl_git_pass(git_index_write(g_idx));
+
+	cl_assert((entry = git_index_get_bypath(g_idx, "README.txt", 0)) != NULL);
+	cl_assert_equal_i(GIT_FILEMODE_BLOB_EXECUTABLE, entry->mode);
+}
+
+void test_index_bypath__add_honors_conflict_mode(void)
+{
+	const git_index_entry *entry;
+	git_index_entry new_entry;
+	int stage = 0;
+
+	cl_assert((entry = git_index_get_bypath(g_idx, "README.txt", 0)) != NULL);
+
+	memcpy(&new_entry, entry, sizeof(git_index_entry));
+	new_entry.path = "README.txt";
+	new_entry.mode = GIT_FILEMODE_BLOB_EXECUTABLE;
+
+	cl_must_pass(p_chmod("submod2/README.txt", GIT_FILEMODE_BLOB_EXECUTABLE));
+
+	cl_git_pass(git_index_remove_bypath(g_idx, "README.txt"));
+
+	for (stage = 1; stage <= 3; stage++) {
+		new_entry.flags = stage << GIT_INDEX_ENTRY_STAGESHIFT;
+		cl_git_pass(git_index_add(g_idx, &new_entry));
+	}
+
+	cl_git_pass(git_index_write(g_idx));
+
+	cl_git_rewritefile("submod2/README.txt", "Modified but still executable");
+
+	cl_git_pass(git_index_add_bypath(g_idx, "README.txt"));
+	cl_git_pass(git_index_write(g_idx));
+
+	cl_assert((entry = git_index_get_bypath(g_idx, "README.txt", 0)) != NULL);
+	cl_assert_equal_i(GIT_FILEMODE_BLOB_EXECUTABLE, entry->mode);
+}
+
+void test_index_bypath__add_honors_conflict_case(void)
+{
+	const git_index_entry *entry;
+	git_index_entry new_entry;
+	int stage = 0;
+
+	cl_assert((entry = git_index_get_bypath(g_idx, "README.txt", 0)) != NULL);
+
+	memcpy(&new_entry, entry, sizeof(git_index_entry));
+	new_entry.path = "README.txt";
+	new_entry.mode = GIT_FILEMODE_BLOB_EXECUTABLE;
+
+	cl_must_pass(p_chmod("submod2/README.txt", GIT_FILEMODE_BLOB_EXECUTABLE));
+
+	cl_git_pass(git_index_remove_bypath(g_idx, "README.txt"));
+
+	for (stage = 1; stage <= 3; stage++) {
+		new_entry.flags = stage << GIT_INDEX_ENTRY_STAGESHIFT;
+		cl_git_pass(git_index_add(g_idx, &new_entry));
+	}
+
+	cl_git_pass(git_index_write(g_idx));
+
+	cl_git_rewritefile("submod2/README.txt", "Modified but still executable");
+
+	cl_git_pass(git_index_add_bypath(g_idx, "README.txt"));
+	cl_git_pass(git_index_write(g_idx));
+
+	cl_assert((entry = git_index_get_bypath(g_idx, "README.txt", 0)) != NULL);
+	cl_assert_equal_i(GIT_FILEMODE_BLOB_EXECUTABLE, entry->mode);
+}
+
+void test_index_bypath__add_honors_symlink(void)
+{
+	const git_index_entry *entry;
+	git_index_entry new_entry;
+	int symlinks;
+
+	cl_git_pass(git_repository__configmap_lookup(&symlinks, g_repo, GIT_CONFIGMAP_SYMLINKS));
+
+	if (symlinks)
+		cl_skip();
+
+	cl_assert((entry = git_index_get_bypath(g_idx, "README.txt", 0)) != NULL);
+
+	memcpy(&new_entry, entry, sizeof(git_index_entry));
+	new_entry.path = "README.txt";
+	new_entry.mode = GIT_FILEMODE_LINK;
+
+	cl_git_pass(git_index_add(g_idx, &new_entry));
+	cl_git_pass(git_index_write(g_idx));
+
+	cl_git_rewritefile("submod2/README.txt", "Modified but still a (fake) symlink");
+
+	cl_git_pass(git_index_add_bypath(g_idx, "README.txt"));
+	cl_git_pass(git_index_write(g_idx));
+
+	cl_assert((entry = git_index_get_bypath(g_idx, "README.txt", 0)) != NULL);
+	cl_assert_equal_i(GIT_FILEMODE_LINK, entry->mode);
+}

node_modules/nodegit/vendor/libgit2/tests/index/cache.c

@@ -0,0 +1,238 @@
+#include "clar_libgit2.h"
+#include "git2.h"
+#include "index.h"
+#include "tree-cache.h"
+
+static git_repository *g_repo;
+
+void test_index_cache__initialize(void)
+{
+	g_repo = cl_git_sandbox_init("testrepo");
+}
+
+void test_index_cache__cleanup(void)
+{
+	cl_git_sandbox_cleanup();
+	g_repo = NULL;
+}
+
+void test_index_cache__write_extension_at_root(void)
+{
+	git_index *index;
+	git_tree *tree;
+	git_oid id;
+	const char *tree_id_str = "45dd856fdd4d89b884c340ba0e047752d9b085d6";
+	const char *index_file = "index-tree";
+
+	cl_git_pass(git_index_open(&index, index_file));
+	cl_assert(index->tree == NULL);
+	cl_git_pass(git_oid_fromstr(&id, tree_id_str));
+	cl_git_pass(git_tree_lookup(&tree, g_repo, &id));
+	cl_git_pass(git_index_read_tree(index, tree));
+	git_tree_free(tree);
+
+	cl_assert(index->tree);
+	cl_git_pass(git_index_write(index));
+	git_index_free(index);
+
+	cl_git_pass(git_index_open(&index, index_file));
+	cl_assert(index->tree);
+
+	cl_assert_equal_i(git_index_entrycount(index), index->tree->entry_count);
+	cl_assert_equal_i(0, index->tree->children_count);
+
+	cl_assert(git_oid_equal(&id, &index->tree->oid));
+
+	cl_git_pass(p_unlink(index_file));
+	git_index_free(index);
+}
+
+void test_index_cache__write_extension_invalidated_root(void)
+{
+	git_index *index;
+	git_tree *tree;
+	git_oid id;
+	const char *tree_id_str = "45dd856fdd4d89b884c340ba0e047752d9b085d6";
+	const char *index_file = "index-tree-invalidated";
+	git_index_entry entry;
+
+	cl_git_pass(git_index_open(&index, index_file));
+	cl_assert(index->tree == NULL);
+	cl_git_pass(git_oid_fromstr(&id, tree_id_str));
+	cl_git_pass(git_tree_lookup(&tree, g_repo, &id));
+	cl_git_pass(git_index_read_tree(index, tree));
+	git_tree_free(tree);
+
+	cl_assert(index->tree);
+
+	memset(&entry, 0x0, sizeof(git_index_entry));
+	git_oid_cpy(&entry.id, &git_index_get_byindex(index, 0)->id);
+	entry.mode = GIT_FILEMODE_BLOB;
+	entry.path = "some-new-file.txt";
+
+	cl_git_pass(git_index_add(index, &entry));
+
+	cl_assert_equal_i(-1, index->tree->entry_count);
+
+	cl_git_pass(git_index_write(index));
+	git_index_free(index);
+
+	cl_git_pass(git_index_open(&index, index_file));
+	cl_assert(index->tree);
+
+	cl_assert_equal_i(-1, index->tree->entry_count);
+	cl_assert_equal_i(0, index->tree->children_count);
+
+	cl_assert(git_oid_cmp(&id, &index->tree->oid));
+
+	cl_git_pass(p_unlink(index_file));
+	git_index_free(index);
+}
+
+void test_index_cache__read_tree_no_children(void)
+{
+	git_index *index;
+	git_index_entry entry;
+	git_tree *tree;
+	git_oid id;
+
+	cl_git_pass(git_index_new(&index));
+	cl_assert(index->tree == NULL);
+	cl_git_pass(git_oid_fromstr(&id, "45dd856fdd4d89b884c340ba0e047752d9b085d6"));
+	cl_git_pass(git_tree_lookup(&tree, g_repo, &id));
+	cl_git_pass(git_index_read_tree(index, tree));
+	git_tree_free(tree);
+
+	cl_assert(index->tree);
+	cl_assert(git_oid_equal(&id, &index->tree->oid));
+	cl_assert_equal_i(0, index->tree->children_count);
+	cl_assert_equal_i(git_index_entrycount(index), index->tree->entry_count);
+
+	memset(&entry, 0x0, sizeof(git_index_entry));
+	entry.path = "new.txt";
+	entry.mode = GIT_FILEMODE_BLOB;
+	git_oid_fromstr(&entry.id, "d4bcc68acd4410bf836a39f20afb2c2ece09584e");
+
+	cl_git_pass(git_index_add(index, &entry));
+	cl_assert_equal_i(-1, index->tree->entry_count);
+
+	git_index_free(index);
+}
+
+void test_index_cache__two_levels(void)
+{
+	git_tree *tree;
+	git_oid tree_id;
+	git_index *index;
+	git_index_entry entry;
+	const git_tree_cache *tree_cache;
+
+	cl_git_pass(git_repository_index(&index, g_repo));
+	cl_git_pass(git_index_clear(index));
+
+	memset(&entry, 0x0, sizeof(entry));
+	entry.mode = GIT_FILEMODE_BLOB;
+	cl_git_pass(git_oid_fromstr(&entry.id, "a8233120f6ad708f843d861ce2b7228ec4e3dec6"));
+	entry.path = "top-level.txt";
+	cl_git_pass(git_index_add(index, &entry));
+
+	entry.path = "subdir/file.txt";
+	cl_git_pass(git_index_add(index, &entry));
+
+	/* the read-tree fills the tree cache */
+	cl_git_pass(git_index_write_tree(&tree_id, index));
+	cl_git_pass(git_tree_lookup(&tree, g_repo, &tree_id));
+	cl_git_pass(git_index_read_tree(index, tree));
+	git_tree_free(tree);
+	cl_git_pass(git_index_write(index));
+
+	/* we now must have cache entries for "" and "subdir" */
+	cl_assert(index->tree);
+	cl_assert(git_tree_cache_get(index->tree, "subdir"));
+
+	cl_git_pass(git_index_read(index, true));
+	/* we must still have cache entries for "" and "subdir", since we wrote it out */
+	cl_assert(index->tree);
+	cl_assert(git_tree_cache_get(index->tree, "subdir"));
+
+	entry.path = "top-level.txt";
+	cl_git_pass(git_oid_fromstr(&entry.id, "3697d64be941a53d4ae8f6a271e4e3fa56b022cc"));
+	cl_git_pass(git_index_add(index, &entry));
+
+	/* writ out the index after we invalidate the root */
+	cl_git_pass(git_index_write(index));
+	cl_git_pass(git_index_read(index, true));
+
+	/* the cache for the subtree must still be valid, even if the root isn't */
+	cl_assert(index->tree);
+	cl_assert_equal_i(-1, index->tree->entry_count);
+	cl_assert_equal_i(1, index->tree->children_count);
+	tree_cache = git_tree_cache_get(index->tree, "subdir");
+	cl_assert(tree_cache);
+	cl_assert_equal_i(1, tree_cache->entry_count);
+
+	git_index_free(index);
+}
+
+void test_index_cache__read_tree_children(void)
+{
+	git_index *index;
+	git_index_entry entry;
+	git_tree *tree;
+	const git_tree_cache *cache;
+	git_oid tree_id;
+
+	cl_git_pass(git_repository_index(&index, g_repo));
+	cl_git_pass(git_index_clear(index));
+	cl_assert(index->tree == NULL);
+
+
+	/* add a bunch of entries at different levels */
+	memset(&entry, 0x0, sizeof(git_index_entry));
+	entry.path = "top-level";
+	entry.mode = GIT_FILEMODE_BLOB;
+	git_oid_fromstr(&entry.id, "ee3fa1b8c00aff7fe02065fdb50864bb0d932ccf");
+	cl_git_pass(git_index_add(index, &entry));
+
+
+	entry.path = "subdir/some-file";
+	cl_git_pass(git_index_add(index, &entry));
+
+	entry.path = "subdir/even-deeper/some-file";
+	cl_git_pass(git_index_add(index, &entry));
+
+	entry.path = "subdir2/some-file";
+	cl_git_pass(git_index_add(index, &entry));
+
+	cl_git_pass(git_index_write_tree(&tree_id, index));
+	cl_git_pass(git_index_clear(index));
+	cl_assert(index->tree == NULL);
+
+	cl_git_pass(git_tree_lookup(&tree, g_repo, &tree_id));
+	cl_git_pass(git_index_read_tree(index, tree));
+	git_tree_free(tree);
+
+	cl_assert(index->tree);
+	cl_assert_equal_i(2, index->tree->children_count);
+
+	/* override with a slightly different id, also dummy */
+	entry.path = "subdir/some-file";
+	git_oid_fromstr(&entry.id, "ee3fa1b8c00aff7fe02065fdb50864bb0d932ccf");
+	cl_git_pass(git_index_add(index, &entry));
+
+	cl_assert_equal_i(-1, index->tree->entry_count);
+
+	cache = git_tree_cache_get(index->tree, "subdir");
+	cl_assert(cache);
+	cl_assert_equal_i(-1, cache->entry_count);
+
+	cache = git_tree_cache_get(index->tree, "subdir/even-deeper");
+	cl_assert(cache);
+	cl_assert_equal_i(1, cache->entry_count);
+
+	cache = git_tree_cache_get(index->tree, "subdir2");
+	cl_assert(cache);
+	cl_assert_equal_i(1, cache->entry_count);
+
+	git_index_free(index);
+}

node_modules/nodegit/vendor/libgit2/tests/index/collision.c

@@ -0,0 +1,149 @@
+#include "clar_libgit2.h"
+#include "git2/repository.h"
+#include "git2/index.h"
+
+static git_repository *g_repo;
+static git_odb *g_odb;
+static git_index *g_index;
+static git_oid g_empty_id;
+
+void test_index_collision__initialize(void)
+{
+	g_repo = cl_git_sandbox_init("empty_standard_repo");
+	cl_git_pass(git_repository_odb(&g_odb, g_repo));
+	cl_git_pass(git_repository_index(&g_index, g_repo));
+
+	cl_git_pass(git_odb_write(&g_empty_id, g_odb, "", 0, GIT_OBJECT_BLOB));
+}
+
+void test_index_collision__cleanup(void)
+{
+	git_index_free(g_index);
+	git_odb_free(g_odb);
+	cl_git_sandbox_cleanup();
+}
+
+void test_index_collision__add_blob_with_conflicting_file(void)
+{
+	git_index_entry entry;
+	git_tree_entry *tentry;
+	git_oid tree_id;
+	git_tree *tree;
+
+	memset(&entry, 0, sizeof(entry));
+	entry.ctime.seconds = 12346789;
+	entry.mtime.seconds = 12346789;
+	entry.mode  = 0100644;
+	entry.file_size = 0;
+	git_oid_cpy(&entry.id, &g_empty_id);
+
+	entry.path = "a/b";
+	cl_git_pass(git_index_add(g_index, &entry));
+
+	/* Check a/b exists here */
+	cl_git_pass(git_index_write_tree(&tree_id, g_index));
+	cl_git_pass(git_tree_lookup(&tree, g_repo, &tree_id));
+	cl_git_pass(git_tree_entry_bypath(&tentry, tree, "a/b"));
+	git_tree_entry_free(tentry);
+	git_tree_free(tree);
+
+	/* create a tree/blob collision */
+	entry.path = "a/b/c";
+	cl_git_pass(git_index_add(g_index, &entry));
+
+	/* a/b should now be a tree and a/b/c a blob */
+	cl_git_pass(git_index_write_tree(&tree_id, g_index));
+	cl_git_pass(git_tree_lookup(&tree, g_repo, &tree_id));
+	cl_git_pass(git_tree_entry_bypath(&tentry, tree, "a/b/c"));
+	git_tree_entry_free(tentry);
+	git_tree_free(tree);
+}
+
+void test_index_collision__add_blob_with_conflicting_dir(void)
+{
+	git_index_entry entry;
+	git_tree_entry *tentry;
+	git_oid tree_id;
+	git_tree *tree;
+
+	memset(&entry, 0, sizeof(entry));
+	entry.ctime.seconds = 12346789;
+	entry.mtime.seconds = 12346789;
+	entry.mode  = 0100644;
+	entry.file_size = 0;
+	git_oid_cpy(&entry.id, &g_empty_id);
+
+	entry.path = "a/b/c";
+	cl_git_pass(git_index_add(g_index, &entry));
+
+	/* Check a/b/c exists here */
+	cl_git_pass(git_index_write_tree(&tree_id, g_index));
+	cl_git_pass(git_tree_lookup(&tree, g_repo, &tree_id));
+	cl_git_pass(git_tree_entry_bypath(&tentry, tree, "a/b/c"));
+	git_tree_entry_free(tentry);
+	git_tree_free(tree);
+
+	/* create a blob/tree collision */
+	entry.path = "a/b";
+	cl_git_pass(git_index_add(g_index, &entry));
+
+	/* a/b should now be a tree and a/b/c a blob */
+	cl_git_pass(git_index_write_tree(&tree_id, g_index));
+	cl_git_pass(git_tree_lookup(&tree, g_repo, &tree_id));
+	cl_git_pass(git_tree_entry_bypath(&tentry, tree, "a/b"));
+	cl_git_fail(git_tree_entry_bypath(&tentry, tree, "a/b/c"));
+	git_tree_entry_free(tentry);
+	git_tree_free(tree);
+}
+
+void test_index_collision__add_with_highstage_1(void)
+{
+	git_index_entry entry;
+
+	memset(&entry, 0, sizeof(entry));
+	entry.ctime.seconds = 12346789;
+	entry.mtime.seconds = 12346789;
+	entry.mode  = 0100644;
+	entry.file_size = 0;
+	git_oid_cpy(&entry.id, &g_empty_id);
+
+	entry.path = "a/b";
+	GIT_INDEX_ENTRY_STAGE_SET(&entry, 2);
+	cl_git_pass(git_index_add(g_index, &entry));
+
+	/* create a blob beneath the previous tree entry */
+	entry.path = "a/b/c";
+	entry.flags = 0;
+	cl_git_pass(git_index_add(g_index, &entry));
+
+	/* create another tree entry above the blob */
+	entry.path = "a/b";
+	GIT_INDEX_ENTRY_STAGE_SET(&entry, 1);
+	cl_git_pass(git_index_add(g_index, &entry));
+}
+
+void test_index_collision__add_with_highstage_2(void)
+{
+	git_index_entry entry;
+
+	memset(&entry, 0, sizeof(entry));
+	entry.ctime.seconds = 12346789;
+	entry.mtime.seconds = 12346789;
+	entry.mode  = 0100644;
+	entry.file_size = 0;
+	git_oid_cpy(&entry.id, &g_empty_id);
+
+	entry.path = "a/b/c";
+	GIT_INDEX_ENTRY_STAGE_SET(&entry, 1);
+	cl_git_pass(git_index_add(g_index, &entry));
+
+	/* create a blob beneath the previous tree entry */
+	entry.path = "a/b/c";
+	GIT_INDEX_ENTRY_STAGE_SET(&entry, 2);
+	cl_git_pass(git_index_add(g_index, &entry));
+
+	/* create another tree entry above the blob */
+	entry.path = "a/b";
+	GIT_INDEX_ENTRY_STAGE_SET(&entry, 3);
+	cl_git_pass(git_index_add(g_index, &entry));
+}

node_modules/nodegit/vendor/libgit2/tests/index/conflicts.c

@@ -0,0 +1,462 @@
+#include "clar_libgit2.h"
+#include "index.h"
+#include "git2/repository.h"
+#include "conflicts.h"
+
+static git_repository *repo;
+static git_index *repo_index;
+
+#define TEST_REPO_PATH "mergedrepo"
+#define TEST_INDEX_PATH TEST_REPO_PATH "/.git/index"
+
+/* Fixture setup and teardown */
+void test_index_conflicts__initialize(void)
+{
+	repo = cl_git_sandbox_init("mergedrepo");
+	git_repository_index(&repo_index, repo);
+}
+
+void test_index_conflicts__cleanup(void)
+{
+	git_index_free(repo_index);
+	repo_index = NULL;
+
+	cl_git_sandbox_cleanup();
+}
+
+void test_index_conflicts__add(void)
+{
+	git_index_entry ancestor_entry, our_entry, their_entry;
+
+	cl_assert(git_index_entrycount(repo_index) == 8);
+
+	memset(&ancestor_entry, 0x0, sizeof(git_index_entry));
+	memset(&our_entry, 0x0, sizeof(git_index_entry));
+	memset(&their_entry, 0x0, sizeof(git_index_entry));
+
+	ancestor_entry.path = "test-one.txt";
+	ancestor_entry.mode = 0100644;
+	GIT_INDEX_ENTRY_STAGE_SET(&ancestor_entry, 1);
+	git_oid_fromstr(&ancestor_entry.id, CONFLICTS_ONE_ANCESTOR_OID);
+
+	our_entry.path = "test-one.txt";
+	our_entry.mode = 0100644;
+	GIT_INDEX_ENTRY_STAGE_SET(&our_entry, 2);
+	git_oid_fromstr(&our_entry.id, CONFLICTS_ONE_OUR_OID);
+
+	their_entry.path = "test-one.txt";
+	their_entry.mode = 0100644;
+	GIT_INDEX_ENTRY_STAGE_SET(&ancestor_entry, 2);
+	git_oid_fromstr(&their_entry.id, CONFLICTS_ONE_THEIR_OID);
+
+	cl_git_pass(git_index_conflict_add(repo_index, &ancestor_entry, &our_entry, &their_entry));
+
+	cl_assert(git_index_entrycount(repo_index) == 11);
+}
+
+void test_index_conflicts__add_fixes_incorrect_stage(void)
+{
+	git_index_entry ancestor_entry, our_entry, their_entry;
+	const git_index_entry *conflict_entry[3];
+
+	cl_assert(git_index_entrycount(repo_index) == 8);
+
+	memset(&ancestor_entry, 0x0, sizeof(git_index_entry));
+	memset(&our_entry, 0x0, sizeof(git_index_entry));
+	memset(&their_entry, 0x0, sizeof(git_index_entry));
+
+	ancestor_entry.path = "test-one.txt";
+	ancestor_entry.mode = 0100644;
+	GIT_INDEX_ENTRY_STAGE_SET(&ancestor_entry, 3);
+	git_oid_fromstr(&ancestor_entry.id, CONFLICTS_ONE_ANCESTOR_OID);
+
+	our_entry.path = "test-one.txt";
+	our_entry.mode = 0100644;
+	GIT_INDEX_ENTRY_STAGE_SET(&our_entry, 1);
+	git_oid_fromstr(&our_entry.id, CONFLICTS_ONE_OUR_OID);
+
+	their_entry.path = "test-one.txt";
+	their_entry.mode = 0100644;
+	GIT_INDEX_ENTRY_STAGE_SET(&their_entry, 2);
+	git_oid_fromstr(&their_entry.id, CONFLICTS_ONE_THEIR_OID);
+
+	cl_git_pass(git_index_conflict_add(repo_index, &ancestor_entry, &our_entry, &their_entry));
+
+	cl_assert(git_index_entrycount(repo_index) == 11);
+
+	cl_git_pass(git_index_conflict_get(&conflict_entry[0], &conflict_entry[1], &conflict_entry[2], repo_index, "test-one.txt"));
+
+	cl_assert(git_index_entry_stage(conflict_entry[0]) == 1);
+	cl_assert(git_index_entry_stage(conflict_entry[1]) == 2);
+	cl_assert(git_index_entry_stage(conflict_entry[2]) == 3);
+}
+
+void test_index_conflicts__add_detects_invalid_filemode(void)
+{
+	git_index_entry ancestor_entry, our_entry, their_entry;
+	git_index_entry *conflict_entry[3];
+	int i;
+
+	cl_assert(git_index_entrycount(repo_index) == 8);
+
+	memset(&ancestor_entry, 0x0, sizeof(git_index_entry));
+	memset(&our_entry, 0x0, sizeof(git_index_entry));
+	memset(&their_entry, 0x0, sizeof(git_index_entry));
+
+	conflict_entry[0] = &ancestor_entry;
+	conflict_entry[1] = &our_entry;
+	conflict_entry[2] = &their_entry;
+
+	for (i = 0; i < 3; i++) {
+		ancestor_entry.path = "test-one.txt";
+		ancestor_entry.mode = 0100644;
+		GIT_INDEX_ENTRY_STAGE_SET(&ancestor_entry, 3);
+		git_oid_fromstr(&ancestor_entry.id, CONFLICTS_ONE_ANCESTOR_OID);
+
+		our_entry.path = "test-one.txt";
+		our_entry.mode = 0100644;
+		GIT_INDEX_ENTRY_STAGE_SET(&our_entry, 1);
+		git_oid_fromstr(&our_entry.id, CONFLICTS_ONE_OUR_OID);
+
+		their_entry.path = "test-one.txt";
+		their_entry.mode = 0100644;
+		GIT_INDEX_ENTRY_STAGE_SET(&their_entry, 2);
+		git_oid_fromstr(&their_entry.id, CONFLICTS_ONE_THEIR_OID);
+
+		/* Corrupt the conflict entry's mode */
+		conflict_entry[i]->mode = 027431745;
+
+		cl_git_fail(git_index_conflict_add(repo_index, &ancestor_entry, &our_entry, &their_entry));
+	}
+
+	cl_assert(git_index_entrycount(repo_index) == 8);
+}
+
+
+void test_index_conflicts__add_removes_stage_zero(void)
+{
+	git_index_entry ancestor_entry, our_entry, their_entry;
+	const git_index_entry *conflict_entry[3];
+
+	cl_assert(git_index_entrycount(repo_index) == 8);
+
+	memset(&ancestor_entry, 0x0, sizeof(git_index_entry));
+	memset(&our_entry, 0x0, sizeof(git_index_entry));
+	memset(&their_entry, 0x0, sizeof(git_index_entry));
+
+	cl_git_mkfile("./mergedrepo/test-one.txt", "new-file\n");
+	cl_git_pass(git_index_add_bypath(repo_index, "test-one.txt"));
+	cl_assert(git_index_entrycount(repo_index) == 9);
+
+	ancestor_entry.path = "test-one.txt";
+	ancestor_entry.mode = 0100644;
+	GIT_INDEX_ENTRY_STAGE_SET(&ancestor_entry, 3);
+	git_oid_fromstr(&ancestor_entry.id, CONFLICTS_ONE_ANCESTOR_OID);
+
+	our_entry.path = "test-one.txt";
+	our_entry.mode = 0100644;
+	GIT_INDEX_ENTRY_STAGE_SET(&our_entry, 1);
+	git_oid_fromstr(&our_entry.id, CONFLICTS_ONE_OUR_OID);
+
+	their_entry.path = "test-one.txt";
+	their_entry.mode = 0100644;
+	GIT_INDEX_ENTRY_STAGE_SET(&their_entry, 2);
+	git_oid_fromstr(&their_entry.id, CONFLICTS_ONE_THEIR_OID);
+
+	cl_git_pass(git_index_conflict_add(repo_index, &ancestor_entry, &our_entry, &their_entry));
+
+	cl_assert(git_index_entrycount(repo_index) == 11);
+
+	cl_assert_equal_p(NULL, git_index_get_bypath(repo_index, "test-one.txt", 0));
+
+	cl_git_pass(git_index_conflict_get(&conflict_entry[0], &conflict_entry[1], &conflict_entry[2], repo_index, "test-one.txt"));
+
+	cl_assert_equal_oid(&ancestor_entry.id, &conflict_entry[0]->id);
+	cl_assert_equal_i(1, git_index_entry_stage(conflict_entry[0]));
+	cl_assert_equal_oid(&our_entry.id, &conflict_entry[1]->id);
+	cl_assert_equal_i(2, git_index_entry_stage(conflict_entry[1]));
+	cl_assert_equal_oid(&their_entry.id, &conflict_entry[2]->id);
+	cl_assert_equal_i(3, git_index_entry_stage(conflict_entry[2]));
+}
+
+void test_index_conflicts__get(void)
+{
+	const git_index_entry *conflict_entry[3];
+	git_oid oid;
+
+	cl_git_pass(git_index_conflict_get(&conflict_entry[0], &conflict_entry[1],
+		&conflict_entry[2], repo_index, "conflicts-one.txt"));
+
+	cl_assert_equal_s("conflicts-one.txt", conflict_entry[0]->path);
+
+	git_oid_fromstr(&oid, CONFLICTS_ONE_ANCESTOR_OID);
+	cl_assert_equal_oid(&oid, &conflict_entry[0]->id);
+
+	git_oid_fromstr(&oid, CONFLICTS_ONE_OUR_OID);
+	cl_assert_equal_oid(&oid, &conflict_entry[1]->id);
+
+	git_oid_fromstr(&oid, CONFLICTS_ONE_THEIR_OID);
+	cl_assert_equal_oid(&oid, &conflict_entry[2]->id);
+
+	cl_git_pass(git_index_conflict_get(&conflict_entry[0], &conflict_entry[1],
+		&conflict_entry[2], repo_index, "conflicts-two.txt"));
+
+	cl_assert_equal_s("conflicts-two.txt", conflict_entry[0]->path);
+
+	git_oid_fromstr(&oid, CONFLICTS_TWO_ANCESTOR_OID);
+	cl_assert_equal_oid(&oid, &conflict_entry[0]->id);
+
+	git_oid_fromstr(&oid, CONFLICTS_TWO_OUR_OID);
+	cl_assert_equal_oid(&oid, &conflict_entry[1]->id);
+
+	git_oid_fromstr(&oid, CONFLICTS_TWO_THEIR_OID);
+	cl_assert_equal_oid(&oid, &conflict_entry[2]->id);
+}
+
+void test_index_conflicts__iterate(void)
+{
+	git_index_conflict_iterator *iterator;
+	const git_index_entry *conflict_entry[3];
+	git_oid oid;
+
+	cl_git_pass(git_index_conflict_iterator_new(&iterator, repo_index));
+
+	cl_git_pass(git_index_conflict_next(&conflict_entry[0], &conflict_entry[1], &conflict_entry[2], iterator));
+
+	git_oid_fromstr(&oid, CONFLICTS_ONE_ANCESTOR_OID);
+	cl_assert_equal_oid(&oid, &conflict_entry[0]->id);
+	cl_assert(git__strcmp(conflict_entry[0]->path, "conflicts-one.txt") == 0);
+
+	git_oid_fromstr(&oid, CONFLICTS_ONE_OUR_OID);
+	cl_assert_equal_oid(&oid, &conflict_entry[1]->id);
+	cl_assert(git__strcmp(conflict_entry[0]->path, "conflicts-one.txt") == 0);
+
+	git_oid_fromstr(&oid, CONFLICTS_ONE_THEIR_OID);
+	cl_assert_equal_oid(&oid, &conflict_entry[2]->id);
+	cl_assert(git__strcmp(conflict_entry[0]->path, "conflicts-one.txt") == 0);
+
+	cl_git_pass(git_index_conflict_next(&conflict_entry[0], &conflict_entry[1], &conflict_entry[2], iterator));
+
+	git_oid_fromstr(&oid, CONFLICTS_TWO_ANCESTOR_OID);
+	cl_assert_equal_oid(&oid, &conflict_entry[0]->id);
+	cl_assert(git__strcmp(conflict_entry[0]->path, "conflicts-two.txt") == 0);
+
+	git_oid_fromstr(&oid, CONFLICTS_TWO_OUR_OID);
+	cl_assert_equal_oid(&oid, &conflict_entry[1]->id);
+	cl_assert(git__strcmp(conflict_entry[0]->path, "conflicts-two.txt") == 0);
+
+	git_oid_fromstr(&oid, CONFLICTS_TWO_THEIR_OID);
+	cl_assert_equal_oid(&oid, &conflict_entry[2]->id);
+	cl_assert(git__strcmp(conflict_entry[0]->path, "conflicts-two.txt") == 0);
+
+	cl_assert(git_index_conflict_next(&conflict_entry[0], &conflict_entry[1], &conflict_entry[2], iterator) == GIT_ITEROVER);
+
+	cl_assert(conflict_entry[0] == NULL);
+	cl_assert(conflict_entry[2] == NULL);
+	cl_assert(conflict_entry[2] == NULL);
+
+	git_index_conflict_iterator_free(iterator);
+}
+
+void test_index_conflicts__remove(void)
+{
+	const git_index_entry *entry;
+	size_t i;
+
+	cl_assert(git_index_entrycount(repo_index) == 8);
+
+	cl_git_pass(git_index_conflict_remove(repo_index, "conflicts-one.txt"));
+	cl_assert(git_index_entrycount(repo_index) == 5);
+
+	for (i = 0; i < git_index_entrycount(repo_index); i++) {
+		cl_assert(entry = git_index_get_byindex(repo_index, i));
+		cl_assert(strcmp(entry->path, "conflicts-one.txt") != 0);
+	}
+
+	cl_git_pass(git_index_conflict_remove(repo_index, "conflicts-two.txt"));
+	cl_assert(git_index_entrycount(repo_index) == 2);
+
+	for (i = 0; i < git_index_entrycount(repo_index); i++) {
+		cl_assert(entry = git_index_get_byindex(repo_index, i));
+		cl_assert(strcmp(entry->path, "conflicts-two.txt") != 0);
+	}
+}
+
+void test_index_conflicts__moved_to_reuc_on_add(void)
+{
+	const git_index_entry *entry;
+	size_t i;
+
+	cl_assert(git_index_entrycount(repo_index) == 8);
+
+	cl_git_mkfile("./mergedrepo/conflicts-one.txt", "new-file\n");
+
+	cl_git_pass(git_index_add_bypath(repo_index, "conflicts-one.txt"));
+
+	cl_assert(git_index_entrycount(repo_index) == 6);
+
+	for (i = 0; i < git_index_entrycount(repo_index); i++) {
+		cl_assert(entry = git_index_get_byindex(repo_index, i));
+
+		if (strcmp(entry->path, "conflicts-one.txt") == 0)
+			cl_assert(!git_index_entry_is_conflict(entry));
+	}
+}
+
+void test_index_conflicts__moved_to_reuc_on_remove(void)
+{
+	const git_index_entry *entry;
+	size_t i;
+
+	cl_assert(git_index_entrycount(repo_index) == 8);
+
+	cl_git_pass(p_unlink("./mergedrepo/conflicts-one.txt"));
+
+	cl_git_pass(git_index_remove_bypath(repo_index, "conflicts-one.txt"));
+
+	cl_assert(git_index_entrycount(repo_index) == 5);
+
+	for (i = 0; i < git_index_entrycount(repo_index); i++) {
+		cl_assert(entry = git_index_get_byindex(repo_index, i));
+		cl_assert(strcmp(entry->path, "conflicts-one.txt") != 0);
+	}
+}
+
+void test_index_conflicts__remove_all_conflicts(void)
+{
+	size_t i;
+	const git_index_entry *entry;
+
+	cl_assert(git_index_entrycount(repo_index) == 8);
+
+	cl_assert_equal_i(true, git_index_has_conflicts(repo_index));
+
+	git_index_conflict_cleanup(repo_index);
+
+	cl_assert_equal_i(false, git_index_has_conflicts(repo_index));
+
+	cl_assert(git_index_entrycount(repo_index) == 2);
+
+	for (i = 0; i < git_index_entrycount(repo_index); i++) {
+		cl_assert(entry = git_index_get_byindex(repo_index, i));
+		cl_assert(!git_index_entry_is_conflict(entry));
+	}
+}
+
+void test_index_conflicts__partial(void)
+{
+	git_index_entry ancestor_entry, our_entry, their_entry;
+	const git_index_entry *conflict_entry[3];
+
+	cl_assert(git_index_entrycount(repo_index) == 8);
+
+	memset(&ancestor_entry, 0x0, sizeof(git_index_entry));
+	memset(&our_entry, 0x0, sizeof(git_index_entry));
+	memset(&their_entry, 0x0, sizeof(git_index_entry));
+
+	ancestor_entry.path = "test-one.txt";
+	ancestor_entry.mode = 0100644;
+	GIT_INDEX_ENTRY_STAGE_SET(&ancestor_entry, 1);
+	git_oid_fromstr(&ancestor_entry.id, CONFLICTS_ONE_ANCESTOR_OID);
+
+	cl_git_pass(git_index_conflict_add(repo_index, &ancestor_entry, NULL, NULL));
+	cl_assert(git_index_entrycount(repo_index) == 9);
+
+	cl_git_pass(git_index_conflict_get(&conflict_entry[0], &conflict_entry[1],
+		&conflict_entry[2], repo_index, "test-one.txt"));
+
+	cl_assert_equal_oid(&ancestor_entry.id, &conflict_entry[0]->id);
+	cl_assert(conflict_entry[1] == NULL);
+	cl_assert(conflict_entry[2] == NULL);
+}
+
+void test_index_conflicts__case_matters(void)
+{
+	const git_index_entry *conflict_entry[3];
+	git_oid oid;
+	const char *upper_case = "DIFFERS-IN-CASE.TXT";
+	const char *mixed_case = "Differs-In-Case.txt";
+	const char *correct_case;
+	bool ignorecase = cl_repo_get_bool(repo, "core.ignorecase");
+
+	git_index_entry ancestor_entry, our_entry, their_entry;
+
+	memset(&ancestor_entry, 0x0, sizeof(git_index_entry));
+	memset(&our_entry, 0x0, sizeof(git_index_entry));
+	memset(&their_entry, 0x0, sizeof(git_index_entry));
+
+	ancestor_entry.path = upper_case;
+	GIT_INDEX_ENTRY_STAGE_SET(&ancestor_entry, GIT_INDEX_STAGE_ANCESTOR);
+	git_oid_fromstr(&ancestor_entry.id, CONFLICTS_ONE_ANCESTOR_OID);
+	ancestor_entry.mode = GIT_FILEMODE_BLOB;
+
+	our_entry.path = upper_case;
+	GIT_INDEX_ENTRY_STAGE_SET(&our_entry, GIT_INDEX_STAGE_OURS);
+	git_oid_fromstr(&our_entry.id, CONFLICTS_ONE_OUR_OID);
+	our_entry.mode = GIT_FILEMODE_BLOB;
+
+	their_entry.path = upper_case;
+	GIT_INDEX_ENTRY_STAGE_SET(&their_entry, GIT_INDEX_STAGE_THEIRS);
+	git_oid_fromstr(&their_entry.id, CONFLICTS_ONE_THEIR_OID);
+	their_entry.mode = GIT_FILEMODE_BLOB;
+
+	cl_git_pass(git_index_conflict_add(repo_index,
+		&ancestor_entry, &our_entry, &their_entry));
+
+	ancestor_entry.path = mixed_case;
+	GIT_INDEX_ENTRY_STAGE_SET(&ancestor_entry, GIT_INDEX_STAGE_ANCESTOR);
+	git_oid_fromstr(&ancestor_entry.id, CONFLICTS_TWO_ANCESTOR_OID);
+	ancestor_entry.mode = GIT_FILEMODE_BLOB;
+
+	our_entry.path = mixed_case;
+	GIT_INDEX_ENTRY_STAGE_SET(&ancestor_entry, GIT_INDEX_STAGE_ANCESTOR);
+	git_oid_fromstr(&our_entry.id, CONFLICTS_TWO_OUR_OID);
+	ancestor_entry.mode = GIT_FILEMODE_BLOB;
+
+	their_entry.path = mixed_case;
+	GIT_INDEX_ENTRY_STAGE_SET(&their_entry, GIT_INDEX_STAGE_THEIRS);
+	git_oid_fromstr(&their_entry.id, CONFLICTS_TWO_THEIR_OID);
+	their_entry.mode = GIT_FILEMODE_BLOB;
+
+	cl_git_pass(git_index_conflict_add(repo_index,
+		&ancestor_entry, &our_entry, &their_entry));
+
+	cl_git_pass(git_index_conflict_get(&conflict_entry[0], &conflict_entry[1],
+		&conflict_entry[2], repo_index, upper_case));
+
+	/*
+	 * We inserted with mixed case last, so on a case-insensitive
+	 * fs we should get the mixed case.
+	 */
+	if (ignorecase)
+		correct_case = mixed_case;
+	else
+		correct_case = upper_case;
+
+	cl_assert_equal_s(correct_case, conflict_entry[0]->path);
+	git_oid_fromstr(&oid, ignorecase ? CONFLICTS_TWO_ANCESTOR_OID : CONFLICTS_ONE_ANCESTOR_OID);
+	cl_assert_equal_oid(&oid, &conflict_entry[0]->id);
+
+	cl_assert_equal_s(correct_case, conflict_entry[1]->path);
+	git_oid_fromstr(&oid, ignorecase ? CONFLICTS_TWO_OUR_OID : CONFLICTS_ONE_OUR_OID);
+	cl_assert_equal_oid(&oid, &conflict_entry[1]->id);
+
+	cl_assert_equal_s(correct_case, conflict_entry[2]->path);
+	git_oid_fromstr(&oid, ignorecase ? CONFLICTS_TWO_THEIR_OID : CONFLICTS_ONE_THEIR_OID);
+	cl_assert_equal_oid(&oid, &conflict_entry[2]->id);
+
+	cl_git_pass(git_index_conflict_get(&conflict_entry[0], &conflict_entry[1],
+		&conflict_entry[2], repo_index, mixed_case));
+
+	cl_assert_equal_s(mixed_case, conflict_entry[0]->path);
+	git_oid_fromstr(&oid, CONFLICTS_TWO_ANCESTOR_OID);
+	cl_assert_equal_oid(&oid, &conflict_entry[0]->id);
+
+	cl_assert_equal_s(mixed_case, conflict_entry[1]->path);
+	git_oid_fromstr(&oid, CONFLICTS_TWO_OUR_OID);
+	cl_assert_equal_oid(&oid, &conflict_entry[1]->id);
+
+	cl_assert_equal_s(mixed_case, conflict_entry[2]->path);
+	git_oid_fromstr(&oid, CONFLICTS_TWO_THEIR_OID);
+	cl_assert_equal_oid(&oid, &conflict_entry[2]->id);
+}

node_modules/nodegit/vendor/libgit2/tests/index/conflicts.h

@@ -0,0 +1,7 @@
+#define CONFLICTS_ONE_ANCESTOR_OID "1f85ca51b8e0aac893a621b61a9c2661d6aa6d81"
+#define CONFLICTS_ONE_OUR_OID "6aea5f295304c36144ad6e9247a291b7f8112399"
+#define CONFLICTS_ONE_THEIR_OID "516bd85f78061e09ccc714561d7b504672cb52da"
+
+#define CONFLICTS_TWO_ANCESTOR_OID "84af62840be1b1c47b778a8a249f3ff45155038c"
+#define CONFLICTS_TWO_OUR_OID "8b3f43d2402825c200f835ca1762413e386fd0b2"
+#define CONFLICTS_TWO_THEIR_OID "220bd62631c8cf7a83ef39c6b94595f00517211e"

node_modules/nodegit/vendor/libgit2/tests/index/crlf.c

@@ -0,0 +1,402 @@
+#include "clar_libgit2.h"
+#include "../filter/crlf.h"
+
+#include "git2/checkout.h"
+#include "repository.h"
+#include "posix.h"
+
+#define FILE_CONTENTS_LF "one\ntwo\nthree\nfour\n"
+#define FILE_CONTENTS_CRLF "one\r\ntwo\r\nthree\r\nfour\r\n"
+
+#define FILE_OID_LF "f384549cbeb481e437091320de6d1f2e15e11b4a"
+#define FILE_OID_CRLF "7fbf4d847b191141d80f30c8ab03d2ad4cd543a9"
+
+static git_repository *g_repo;
+static git_index *g_index;
+
+static git_buf expected_fixture = GIT_BUF_INIT;
+
+void test_index_crlf__initialize(void)
+{
+	g_repo = cl_git_sandbox_init_new("crlf");
+	cl_git_pass(git_repository_index(&g_index, g_repo));
+}
+
+void test_index_crlf__cleanup(void)
+{
+	git_index_free(g_index);
+	cl_git_sandbox_cleanup();
+
+	if (expected_fixture.size) {
+		cl_fixture_cleanup(expected_fixture.ptr);
+		git_buf_dispose(&expected_fixture);
+	}
+}
+
+struct compare_data
+{
+	const char *systype;
+	const char *dirname;
+	const char *safecrlf;
+	const char *autocrlf;
+	const char *attrs;
+};
+
+static int add_and_check_file(void *payload, git_buf *actual_path)
+{
+	git_buf expected_path = GIT_BUF_INIT;
+	git_buf expected_path_fail = GIT_BUF_INIT;
+	git_buf expected_contents = GIT_BUF_INIT;
+	struct compare_data *cd = payload;
+	char *basename;
+	const git_index_entry *entry;
+	git_blob *blob;
+	bool failed = true;
+
+	basename = git_path_basename(actual_path->ptr);
+
+	if (!strcmp(basename, ".git") || !strcmp(basename, ".gitattributes")) {
+		failed = false;
+		goto done;
+	}
+
+	cl_git_pass(git_buf_joinpath(&expected_path, cd->dirname, basename));
+
+	cl_git_pass(git_buf_puts(&expected_path_fail, expected_path.ptr));
+	cl_git_pass(git_buf_puts(&expected_path_fail, ".fail"));
+
+	if (git_path_isfile(expected_path.ptr)) {
+		cl_git_pass(git_index_add_bypath(g_index, basename));
+
+		cl_assert(entry = git_index_get_bypath(g_index, basename, 0));
+		cl_git_pass(git_blob_lookup(&blob, g_repo, &entry->id));
+
+		cl_git_pass(git_futils_readbuffer(&expected_contents, expected_path.ptr));
+
+		if (strcmp(expected_contents.ptr, git_blob_rawcontent(blob)) != 0)
+			goto done;
+
+		git_blob_free(blob);
+	} else if (git_path_isfile(expected_path_fail.ptr)) {
+		cl_git_pass(git_futils_readbuffer(&expected_contents, expected_path_fail.ptr));
+		git_buf_rtrim(&expected_contents);
+
+		if (git_index_add_bypath(g_index, basename) == 0 ||
+			git_error_last()->klass != GIT_ERROR_FILTER ||
+			strcmp(expected_contents.ptr, git_error_last()->message) != 0)
+			goto done;
+	} else {
+		cl_fail("unexpected index failure");
+	}
+
+	failed = false;
+
+done:
+	if (failed) {
+		git_buf details = GIT_BUF_INIT;
+		git_buf_printf(&details, "filename=%s, system=%s, autocrlf=%s, safecrlf=%s, attrs={%s}",
+			basename, cd->systype, cd->autocrlf, cd->safecrlf, cd->attrs);
+		clar__fail(__FILE__, __LINE__,
+			"index contents did not match expected", details.ptr, 0);
+		git_buf_dispose(&details);
+	}
+
+	git__free(basename);
+	git_buf_dispose(&expected_contents);
+	git_buf_dispose(&expected_path);
+	git_buf_dispose(&expected_path_fail);
+	return 0;
+}
+
+static const char *system_type(void)
+{
+	if (GIT_EOL_NATIVE == GIT_EOL_CRLF)
+		return "windows";
+	else
+		return "posix";
+}
+
+static void test_add_index(const char *safecrlf, const char *autocrlf, const char *attrs)
+{
+	git_buf attrbuf = GIT_BUF_INIT;
+	git_buf expected_dirname = GIT_BUF_INIT;
+	git_buf sandboxname = GIT_BUF_INIT;
+	git_buf reponame = GIT_BUF_INIT;
+	struct compare_data compare_data = { system_type(), NULL, safecrlf, autocrlf, attrs };
+	const char *c;
+
+	git_buf_puts(&reponame, "crlf");
+
+	git_buf_puts(&sandboxname, "autocrlf_");
+	git_buf_puts(&sandboxname, autocrlf);
+
+	git_buf_puts(&sandboxname, ",safecrlf_");
+	git_buf_puts(&sandboxname, safecrlf);
+
+	if (*attrs) {
+		git_buf_puts(&sandboxname, ",");
+
+		for (c = attrs; *c; c++) {
+			if (*c == ' ')
+				git_buf_putc(&sandboxname, ',');
+			else if (*c == '=')
+				git_buf_putc(&sandboxname, '_');
+			else
+				git_buf_putc(&sandboxname, *c);
+		}
+
+		git_buf_printf(&attrbuf, "* %s\n", attrs);
+		cl_git_mkfile("crlf/.gitattributes", attrbuf.ptr);
+	}
+
+	cl_repo_set_string(g_repo, "core.safecrlf", safecrlf);
+	cl_repo_set_string(g_repo, "core.autocrlf", autocrlf);
+
+	cl_git_pass(git_index_clear(g_index));
+
+	git_buf_joinpath(&expected_dirname, "crlf_data", system_type());
+	git_buf_puts(&expected_dirname, "_to_odb");
+
+	git_buf_joinpath(&expected_fixture, expected_dirname.ptr, sandboxname.ptr);
+	cl_fixture_sandbox(expected_fixture.ptr);
+
+	compare_data.dirname = sandboxname.ptr;
+	cl_git_pass(git_path_direach(&reponame, 0, add_and_check_file, &compare_data));
+
+	cl_fixture_cleanup(expected_fixture.ptr);
+	git_buf_dispose(&expected_fixture);
+
+	git_buf_dispose(&attrbuf);
+	git_buf_dispose(&expected_fixture);
+	git_buf_dispose(&expected_dirname);
+	git_buf_dispose(&sandboxname);
+	git_buf_dispose(&reponame);
+}
+
+static void set_up_workingdir(const char *name)
+{
+	git_vector contents = GIT_VECTOR_INIT;
+	size_t i;
+	const char *fn;
+
+	git_path_dirload(&contents, name, 0, 0);
+	git_vector_foreach(&contents, i, fn) {
+		char *basename = git_path_basename(fn);
+		bool skip = strncasecmp(basename, ".git", 4) == 0 && strlen(basename) == 4;
+
+		git__free(basename);
+
+		if (skip)
+			continue;
+		p_unlink(fn);
+	}
+	git_vector_free_deep(&contents);
+
+	/* copy input files */
+	git_path_dirload(&contents, cl_fixture("crlf"), 0, 0);
+	git_vector_foreach(&contents, i, fn) {
+		char *basename = git_path_basename(fn);
+		git_buf dest_filename = GIT_BUF_INIT;
+
+		if (strcmp(basename, ".gitted") &&
+			strcmp(basename, ".gitattributes")) {
+			git_buf_joinpath(&dest_filename, name, basename);
+			cl_git_pass(git_futils_cp(fn, dest_filename.ptr, 0644));
+		}
+
+		git__free(basename);
+		git_buf_dispose(&dest_filename);
+	}
+	git_vector_free_deep(&contents);
+}
+
+void test_index_crlf__matches_core_git(void)
+{
+	const char *safecrlf[] = { "true", "false", "warn", NULL };
+	const char *autocrlf[] = { "true", "false", "input", NULL };
+	const char *attrs[] = { "", "-crlf", "-text", "eol=crlf", "eol=lf",
+		"text", "text eol=crlf", "text eol=lf",
+		"text=auto", "text=auto eol=crlf", "text=auto eol=lf",
+		NULL };
+	const char **a, **b, **c;
+
+	for (a = safecrlf; *a; a++) {
+		for (b = autocrlf; *b; b++) {
+			for (c = attrs; *c; c++) {
+				set_up_workingdir("crlf");
+				test_add_index(*a, *b, *c);
+			}
+		}
+	}
+}
+
+void test_index_crlf__autocrlf_false_no_attrs(void)
+{
+	const git_index_entry *entry;
+	git_oid oid;
+
+	cl_repo_set_bool(g_repo, "core.autocrlf", false);
+
+	cl_git_mkfile("./crlf/newfile.txt",
+		(GIT_EOL_NATIVE == GIT_EOL_CRLF) ? FILE_CONTENTS_CRLF : FILE_CONTENTS_LF);
+
+	cl_git_pass(git_index_add_bypath(g_index, "newfile.txt"));
+	entry = git_index_get_bypath(g_index, "newfile.txt", 0);
+
+	cl_git_pass(git_oid_fromstr(&oid,
+		(GIT_EOL_NATIVE == GIT_EOL_CRLF) ? FILE_OID_CRLF : FILE_OID_LF));
+	cl_assert_equal_oid(&oid, &entry->id);
+}
+
+void test_index_crlf__autocrlf_true_no_attrs(void)
+{
+	const git_index_entry *entry;
+	git_oid oid;
+
+	cl_repo_set_bool(g_repo, "core.autocrlf", true);
+
+	cl_git_mkfile("./crlf/newfile.txt",
+		(GIT_EOL_NATIVE == GIT_EOL_CRLF) ? FILE_CONTENTS_CRLF : FILE_CONTENTS_LF);
+
+	cl_git_pass(git_index_add_bypath(g_index, "newfile.txt"));
+	entry = git_index_get_bypath(g_index, "newfile.txt", 0);
+
+	cl_git_pass(git_oid_fromstr(&oid, FILE_OID_LF));
+	cl_assert_equal_oid(&oid, &entry->id);
+}
+
+void test_index_crlf__autocrlf_input_no_attrs(void)
+{
+	const git_index_entry *entry;
+	git_oid oid;
+
+	cl_repo_set_string(g_repo, "core.autocrlf", "input");
+
+	cl_git_mkfile("./crlf/newfile.txt",
+		(GIT_EOL_NATIVE == GIT_EOL_CRLF) ? FILE_CONTENTS_CRLF : FILE_CONTENTS_LF);
+
+	cl_git_pass(git_index_add_bypath(g_index, "newfile.txt"));
+	entry = git_index_get_bypath(g_index, "newfile.txt", 0);
+
+	cl_git_pass(git_oid_fromstr(&oid, FILE_OID_LF));
+	cl_assert_equal_oid(&oid, &entry->id);
+}
+
+void test_index_crlf__autocrlf_false_text_auto_attr(void)
+{
+	const git_index_entry *entry;
+	git_oid oid;
+
+	cl_git_mkfile("./crlf/.gitattributes", "* text=auto\n");
+
+	cl_repo_set_bool(g_repo, "core.autocrlf", false);
+
+	cl_git_mkfile("./crlf/newfile.txt",
+		(GIT_EOL_NATIVE == GIT_EOL_CRLF) ? FILE_CONTENTS_CRLF : FILE_CONTENTS_LF);
+
+	cl_git_pass(git_index_add_bypath(g_index, "newfile.txt"));
+	entry = git_index_get_bypath(g_index, "newfile.txt", 0);
+
+	cl_git_pass(git_oid_fromstr(&oid, FILE_OID_LF));
+	cl_assert_equal_oid(&oid, &entry->id);
+}
+
+void test_index_crlf__autocrlf_true_text_auto_attr(void)
+{
+	const git_index_entry *entry;
+	git_oid oid;
+
+	cl_git_mkfile("./crlf/.gitattributes", "* text=auto\n");
+
+	cl_repo_set_bool(g_repo, "core.autocrlf", false);
+
+	cl_git_mkfile("./crlf/newfile.txt",
+		(GIT_EOL_NATIVE == GIT_EOL_CRLF) ? FILE_CONTENTS_CRLF : FILE_CONTENTS_LF);
+
+	cl_git_pass(git_index_add_bypath(g_index, "newfile.txt"));
+	entry = git_index_get_bypath(g_index, "newfile.txt", 0);
+
+	cl_git_pass(git_oid_fromstr(&oid, FILE_OID_LF));
+	cl_assert_equal_oid(&oid, &entry->id);
+}
+
+void test_index_crlf__autocrlf_input_text_auto_attr(void)
+{
+	const git_index_entry *entry;
+	git_oid oid;
+
+	cl_git_mkfile("./crlf/.gitattributes", "* text=auto\n");
+
+	cl_repo_set_string(g_repo, "core.autocrlf", "input");
+
+	cl_git_mkfile("./crlf/newfile.txt",
+		(GIT_EOL_NATIVE == GIT_EOL_CRLF) ? FILE_CONTENTS_CRLF : FILE_CONTENTS_LF);
+
+	cl_git_pass(git_index_add_bypath(g_index, "newfile.txt"));
+	entry = git_index_get_bypath(g_index, "newfile.txt", 0);
+
+	cl_git_pass(git_oid_fromstr(&oid, FILE_OID_LF));
+	cl_assert_equal_oid(&oid, &entry->id);
+}
+
+void test_index_crlf__safecrlf_true_autocrlf_input_text_auto_attr(void)
+{
+	const git_index_entry *entry;
+	git_oid oid;
+
+	cl_git_mkfile("./crlf/.gitattributes", "* text=auto\n");
+
+	cl_repo_set_string(g_repo, "core.autocrlf", "input");
+	cl_repo_set_bool(g_repo, "core.safecrlf", true);
+
+	cl_git_mkfile("./crlf/newfile.txt", FILE_CONTENTS_LF);
+
+	cl_git_pass(git_index_add_bypath(g_index, "newfile.txt"));
+	entry = git_index_get_bypath(g_index, "newfile.txt", 0);
+	cl_assert(entry);
+
+	cl_git_pass(git_oid_fromstr(&oid, FILE_OID_LF));
+	cl_assert_equal_oid(&oid, &entry->id);
+
+	cl_git_mkfile("./crlf/newfile2.txt", FILE_CONTENTS_CRLF);
+	cl_git_fail(git_index_add_bypath(g_index, "newfile2.txt"));
+}
+
+void test_index_crlf__safecrlf_true_autocrlf_input_text__no_attr(void)
+{
+	const git_index_entry *entry;
+	git_oid oid;
+
+	cl_repo_set_string(g_repo, "core.autocrlf", "input");
+	cl_repo_set_bool(g_repo, "core.safecrlf", true);
+
+	cl_git_mkfile("./crlf/newfile.txt", FILE_CONTENTS_LF);
+
+	cl_git_pass(git_index_add_bypath(g_index, "newfile.txt"));
+	entry = git_index_get_bypath(g_index, "newfile.txt", 0);
+	cl_assert(entry);
+
+	cl_git_pass(git_oid_fromstr(&oid, FILE_OID_LF));
+	cl_assert_equal_oid(&oid, &entry->id);
+
+	cl_git_mkfile("./crlf/newfile2.txt", FILE_CONTENTS_CRLF);
+	cl_git_fail(git_index_add_bypath(g_index, "newfile2.txt"));
+}
+
+void test_index_crlf__safecrlf_true_no_attrs(void)
+{
+	cl_repo_set_bool(g_repo, "core.autocrlf", true);
+	cl_repo_set_bool(g_repo, "core.safecrlf", true);
+
+	cl_git_mkfile("crlf/newfile.txt", ALL_LF_TEXT_RAW);
+	cl_git_fail(git_index_add_bypath(g_index, "newfile.txt"));
+
+	cl_git_mkfile("crlf/newfile.txt", ALL_CRLF_TEXT_RAW);
+	cl_git_pass(git_index_add_bypath(g_index, "newfile.txt"));
+
+	cl_git_mkfile("crlf/newfile.txt", MORE_CRLF_TEXT_RAW);
+	cl_git_fail(git_index_add_bypath(g_index, "newfile.txt"));
+
+	cl_git_mkfile("crlf/newfile.txt", MORE_LF_TEXT_RAW);
+	cl_git_fail(git_index_add_bypath(g_index, "newfile.txt"));
+}

node_modules/nodegit/vendor/libgit2/tests/index/filemodes.c

@@ -0,0 +1,320 @@
+#include "clar_libgit2.h"
+#include "buffer.h"
+#include "posix.h"
+#include "index.h"
+
+static git_repository *g_repo = NULL;
+
+void test_index_filemodes__initialize(void)
+{
+	g_repo = cl_git_sandbox_init("filemodes");
+}
+
+void test_index_filemodes__cleanup(void)
+{
+	cl_git_sandbox_cleanup();
+}
+
+void test_index_filemodes__read(void)
+{
+	git_index *index;
+	unsigned int i;
+	static bool expected[6] = { 0, 1, 0, 1, 0, 1 };
+
+	cl_git_pass(git_repository_index(&index, g_repo));
+	cl_assert_equal_i(6, (int)git_index_entrycount(index));
+
+	for (i = 0; i < 6; ++i) {
+		const git_index_entry *entry = git_index_get_byindex(index, i);
+		cl_assert(entry != NULL);
+		cl_assert(((entry->mode & 0100) ? 1 : 0) == expected[i]);
+	}
+
+	git_index_free(index);
+}
+
+static void replace_file_with_mode(
+	const char *filename, const char *backup, unsigned int create_mode)
+{
+	git_buf path = GIT_BUF_INIT, content = GIT_BUF_INIT;
+
+	cl_git_pass(git_buf_joinpath(&path, "filemodes", filename));
+	cl_git_pass(git_buf_printf(&content, "%s as %08u (%d)",
+		filename, create_mode, rand()));
+
+	cl_git_pass(p_rename(path.ptr, backup));
+	cl_git_write2file(
+		path.ptr, content.ptr, content.size,
+		O_WRONLY|O_CREAT|O_TRUNC, create_mode);
+
+	git_buf_dispose(&path);
+	git_buf_dispose(&content);
+}
+
+#define add_and_check_mode(I,F,X) add_and_check_mode_(I,F,X,__FILE__,__LINE__)
+
+static void add_and_check_mode_(
+	git_index *index, const char *filename, unsigned int expect_mode,
+	const char *file, int line)
+{
+	size_t pos;
+	const git_index_entry *entry;
+
+	cl_git_pass(git_index_add_bypath(index, filename));
+
+	clar__assert(!git_index_find(&pos, index, filename),
+		file, line, "Cannot find index entry", NULL, 1);
+
+	entry = git_index_get_byindex(index, pos);
+
+	clar__assert_equal(file, line, "Expected mode does not match index",
+		1, "%07o", (unsigned int)entry->mode, (unsigned int)expect_mode);
+}
+
+void test_index_filemodes__untrusted(void)
+{
+	git_index *index;
+
+	cl_repo_set_bool(g_repo, "core.filemode", false);
+
+	cl_git_pass(git_repository_index(&index, g_repo));
+	cl_assert((git_index_caps(index) & GIT_INDEX_CAPABILITY_NO_FILEMODE) != 0);
+
+	/* 1 - add 0644 over existing 0644 -> expect 0644 */
+	replace_file_with_mode("exec_off", "filemodes/exec_off.0", 0644);
+	add_and_check_mode(index, "exec_off", GIT_FILEMODE_BLOB);
+
+	/* 2 - add 0644 over existing 0755 -> expect 0755 */
+	replace_file_with_mode("exec_on", "filemodes/exec_on.0", 0644);
+	add_and_check_mode(index, "exec_on", GIT_FILEMODE_BLOB_EXECUTABLE);
+
+	/* 3 - add 0755 over existing 0644 -> expect 0644 */
+	replace_file_with_mode("exec_off", "filemodes/exec_off.1", 0755);
+	add_and_check_mode(index, "exec_off", GIT_FILEMODE_BLOB);
+
+	/* 4 - add 0755 over existing 0755 -> expect 0755 */
+	replace_file_with_mode("exec_on", "filemodes/exec_on.1", 0755);
+	add_and_check_mode(index, "exec_on", GIT_FILEMODE_BLOB_EXECUTABLE);
+
+	/*  5 - add new 0644 -> expect 0644 */
+	cl_git_write2file("filemodes/new_off", "blah", 0,
+		O_WRONLY | O_CREAT | O_TRUNC, 0644);
+	add_and_check_mode(index, "new_off", GIT_FILEMODE_BLOB);
+
+	/* 6 - add new 0755 -> expect 0644 if core.filemode == false */
+	cl_git_write2file("filemodes/new_on", "blah", 0,
+		O_WRONLY | O_CREAT | O_TRUNC, 0755);
+	add_and_check_mode(index, "new_on", GIT_FILEMODE_BLOB);
+
+	git_index_free(index);
+}
+
+void test_index_filemodes__trusted(void)
+{
+	git_index *index;
+
+	/* Only run these tests on platforms where I can actually
+	 * chmod a file and get the stat results I expect!
+	 */
+	if (!cl_is_chmod_supported())
+		return;
+
+	cl_repo_set_bool(g_repo, "core.filemode", true);
+
+	cl_git_pass(git_repository_index(&index, g_repo));
+	cl_assert((git_index_caps(index) & GIT_INDEX_CAPABILITY_NO_FILEMODE) == 0);
+
+	/* 1 - add 0644 over existing 0644 -> expect 0644 */
+	replace_file_with_mode("exec_off", "filemodes/exec_off.0", 0644);
+	add_and_check_mode(index, "exec_off", GIT_FILEMODE_BLOB);
+
+	/* 2 - add 0644 over existing 0755 -> expect 0644 */
+	replace_file_with_mode("exec_on", "filemodes/exec_on.0", 0644);
+	add_and_check_mode(index, "exec_on", GIT_FILEMODE_BLOB);
+
+	/* 3 - add 0755 over existing 0644 -> expect 0755 */
+	replace_file_with_mode("exec_off", "filemodes/exec_off.1", 0755);
+	add_and_check_mode(index, "exec_off", GIT_FILEMODE_BLOB_EXECUTABLE);
+
+	/* 4 - add 0755 over existing 0755 -> expect 0755 */
+	replace_file_with_mode("exec_on", "filemodes/exec_on.1", 0755);
+	add_and_check_mode(index, "exec_on", GIT_FILEMODE_BLOB_EXECUTABLE);
+
+	/*  5 - add new 0644 -> expect 0644 */
+	cl_git_write2file("filemodes/new_off", "blah", 0,
+		O_WRONLY | O_CREAT | O_TRUNC, 0644);
+	add_and_check_mode(index, "new_off", GIT_FILEMODE_BLOB);
+
+	/* 6 - add 0755 -> expect 0755 */
+	cl_git_write2file("filemodes/new_on", "blah", 0,
+		O_WRONLY | O_CREAT | O_TRUNC, 0755);
+	add_and_check_mode(index, "new_on", GIT_FILEMODE_BLOB_EXECUTABLE);
+
+	git_index_free(index);
+}
+
+#define add_entry_and_check_mode(I,FF,X) add_entry_and_check_mode_(I,FF,X,__FILE__,__LINE__)
+
+static void add_entry_and_check_mode_(
+	git_index *index, bool from_file, git_filemode_t mode,
+	const char *file, int line)
+{
+	size_t pos;
+	const git_index_entry* entry;
+	git_index_entry new_entry;
+
+	/* If old_filename exists, we copy that to the new file, and test
+	 * git_index_add(), otherwise create a new entry testing git_index_add_from_buffer
+	 */
+	if (from_file)
+	{
+		clar__assert(!git_index_find(&pos, index, "exec_off"),
+			file, line, "Cannot find original index entry", NULL, 1);
+
+		entry = git_index_get_byindex(index, pos);
+
+		memcpy(&new_entry, entry, sizeof(new_entry));
+	}
+	else
+		memset(&new_entry, 0x0, sizeof(git_index_entry));
+
+	new_entry.path = "filemodes/explicit_test";
+	new_entry.mode = mode;
+
+	if (from_file)
+	{
+		clar__assert(!git_index_add(index, &new_entry),
+			file, line, "Cannot add index entry", NULL, 1);
+	}
+	else
+	{
+		const char *content = "hey there\n";
+		clar__assert(!git_index_add_from_buffer(index, &new_entry, content, strlen(content)),
+			file, line, "Cannot add index entry from buffer", NULL, 1);
+	}
+
+	clar__assert(!git_index_find(&pos, index, "filemodes/explicit_test"),
+		file, line, "Cannot find new index entry", NULL, 1);
+
+	entry = git_index_get_byindex(index, pos);
+
+	clar__assert_equal(file, line, "Expected mode does not match index",
+		1, "%07o", (unsigned int)entry->mode, (unsigned int)mode);
+}
+
+void test_index_filemodes__explicit(void)
+{
+	git_index *index;
+
+	/* These tests should run and work everywhere, as the filemode is
+	 * given explicitly to git_index_add or git_index_add_from_buffer
+	 */
+	cl_repo_set_bool(g_repo, "core.filemode", false);
+
+	cl_git_pass(git_repository_index(&index, g_repo));
+
+	/* Each of these tests keeps overwriting the same file in the index. */
+	/* 1 - add new 0644 entry  */
+	add_entry_and_check_mode(index, true, GIT_FILEMODE_BLOB);
+
+	/* 2 - add 0755 entry over existing 0644 */
+	add_entry_and_check_mode(index, true, GIT_FILEMODE_BLOB_EXECUTABLE);
+
+	/* 3 - add 0644 entry over existing 0755 */
+	add_entry_and_check_mode(index, true, GIT_FILEMODE_BLOB);
+
+	/* 4 - add 0755 buffer entry over existing 0644  */
+	add_entry_and_check_mode(index, false, GIT_FILEMODE_BLOB_EXECUTABLE);
+
+	/* 5 - add 0644 buffer entry over existing 0755 */
+	add_entry_and_check_mode(index, false, GIT_FILEMODE_BLOB);
+
+	git_index_free(index);
+}
+
+void test_index_filemodes__invalid(void)
+{
+	git_index *index;
+	git_index_entry entry;
+	const git_index_entry *dummy;
+
+	cl_git_pass(git_repository_index(&index, g_repo));
+
+	/* add a dummy file so that we have a valid id */
+	cl_git_mkfile("./filemodes/dummy-file.txt", "new-file\n");
+	cl_git_pass(git_index_add_bypath(index, "dummy-file.txt"));
+	cl_assert((dummy = git_index_get_bypath(index, "dummy-file.txt", 0)));
+
+	GIT_INDEX_ENTRY_STAGE_SET(&entry, 0);
+	entry.path = "foo";
+	entry.mode = GIT_OBJECT_BLOB;
+	git_oid_cpy(&entry.id, &dummy->id);
+	cl_git_fail(git_index_add(index, &entry));
+
+	entry.mode = GIT_FILEMODE_BLOB;
+	cl_git_pass(git_index_add(index, &entry));
+
+	git_index_free(index);
+}
+
+void test_index_filemodes__frombuffer_requires_files(void)
+{
+	git_index *index;
+	git_index_entry new_entry;
+	const git_index_entry *ret_entry;
+	const char *content = "hey there\n";
+
+	memset(&new_entry, 0, sizeof(new_entry));
+	cl_git_pass(git_repository_index(&index, g_repo));
+
+	/* regular blob */
+	new_entry.path = "dummy-file.txt";
+	new_entry.mode = GIT_FILEMODE_BLOB;
+
+	cl_git_pass(git_index_add_from_buffer(index,
+		&new_entry, content, strlen(content)));
+
+	cl_assert((ret_entry = git_index_get_bypath(index, "dummy-file.txt", 0)));
+	cl_assert_equal_s("dummy-file.txt", ret_entry->path);
+	cl_assert_equal_i(GIT_FILEMODE_BLOB, ret_entry->mode);
+
+	/* executable blob */
+	new_entry.path = "dummy-file.txt";
+	new_entry.mode = GIT_FILEMODE_BLOB_EXECUTABLE;
+
+	cl_git_pass(git_index_add_from_buffer(index,
+		&new_entry, content, strlen(content)));
+
+	cl_assert((ret_entry = git_index_get_bypath(index, "dummy-file.txt", 0)));
+	cl_assert_equal_s("dummy-file.txt", ret_entry->path);
+	cl_assert_equal_i(GIT_FILEMODE_BLOB_EXECUTABLE, ret_entry->mode);
+
+	/* links are also acceptable */
+	new_entry.path = "dummy-link.txt";
+	new_entry.mode = GIT_FILEMODE_LINK;
+
+	cl_git_pass(git_index_add_from_buffer(index,
+		&new_entry, content, strlen(content)));
+
+	cl_assert((ret_entry = git_index_get_bypath(index, "dummy-link.txt", 0)));
+	cl_assert_equal_s("dummy-link.txt", ret_entry->path);
+	cl_assert_equal_i(GIT_FILEMODE_LINK, ret_entry->mode);
+
+	/* trees are rejected */
+	new_entry.path = "invalid_mode.txt";
+	new_entry.mode = GIT_FILEMODE_TREE;
+
+	cl_git_fail(git_index_add_from_buffer(index,
+		&new_entry, content, strlen(content)));
+	cl_assert_equal_p(NULL, git_index_get_bypath(index, "invalid_mode.txt", 0));
+
+	/* submodules are rejected */
+	new_entry.path = "invalid_mode.txt";
+	new_entry.mode = GIT_FILEMODE_COMMIT;
+
+	cl_git_fail(git_index_add_from_buffer(index,
+		&new_entry, content, strlen(content)));
+	cl_assert_equal_p(NULL, git_index_get_bypath(index, "invalid_mode.txt", 0));
+
+	git_index_free(index);
+}

node_modules/nodegit/vendor/libgit2/tests/index/inmemory.c

@@ -0,0 +1,22 @@
+#include "clar_libgit2.h"
+
+void test_index_inmemory__can_create_an_inmemory_index(void)
+{
+	git_index *index;
+
+	cl_git_pass(git_index_new(&index));
+	cl_assert_equal_i(0, (int)git_index_entrycount(index));
+
+	git_index_free(index);
+}
+
+void test_index_inmemory__cannot_add_bypath_to_an_inmemory_index(void)
+{
+	git_index *index;
+
+	cl_git_pass(git_index_new(&index));
+
+	cl_assert_equal_i(GIT_ERROR, git_index_add_bypath(index, "test.txt"));
+
+	git_index_free(index);
+}

node_modules/nodegit/vendor/libgit2/tests/index/names.c

@@ -0,0 +1,187 @@
+#include "clar_libgit2.h"
+#include "index.h"
+#include "git2/sys/index.h"
+#include "git2/repository.h"
+#include "../reset/reset_helpers.h"
+
+static git_repository *repo;
+static git_index *repo_index;
+
+#define TEST_REPO_PATH "mergedrepo"
+#define TEST_INDEX_PATH TEST_REPO_PATH "/.git/index"
+
+/* Fixture setup and teardown */
+void test_index_names__initialize(void)
+{
+	repo = cl_git_sandbox_init("mergedrepo");
+	git_repository_index(&repo_index, repo);
+}
+
+void test_index_names__cleanup(void)
+{
+	git_index_free(repo_index);
+	repo_index = NULL;
+
+	cl_git_sandbox_cleanup();
+}
+
+static void index_add_conflicts(void)
+{
+	git_index_entry entry = {{0}};
+	const char *paths[][3] = {
+		{ "ancestor", "ours", "theirs" },
+		{ "ancestor2", "ours2", "theirs2" },
+		{ "ancestor3", "ours3", "theirs3" } };
+	const char **conflict;
+	size_t i;
+
+	for (i = 0; i < ARRAY_SIZE(paths); i++) {
+		conflict = paths[i];
+
+		/* ancestor */
+		entry.path = conflict[0];
+		entry.mode = GIT_FILEMODE_BLOB;
+		GIT_INDEX_ENTRY_STAGE_SET(&entry, GIT_INDEX_STAGE_ANCESTOR);
+		git_oid_fromstr(&entry.id, "1f85ca51b8e0aac893a621b61a9c2661d6aa6d81");
+		cl_git_pass(git_index_add(repo_index, &entry));
+
+		/* ours */
+		entry.path = conflict[1];
+		entry.mode = GIT_FILEMODE_BLOB;
+		GIT_INDEX_ENTRY_STAGE_SET(&entry, GIT_INDEX_STAGE_OURS);
+		git_oid_fromstr(&entry.id, "1f85ca51b8e0aac893a621b61a9c2661d6aa6d81");
+		cl_git_pass(git_index_add(repo_index, &entry));
+
+		/* theirs */
+		entry.path = conflict[2];
+		entry.mode = GIT_FILEMODE_BLOB;
+		GIT_INDEX_ENTRY_STAGE_SET(&entry, GIT_INDEX_STAGE_THEIRS);
+		git_oid_fromstr(&entry.id, "1f85ca51b8e0aac893a621b61a9c2661d6aa6d81");
+		cl_git_pass(git_index_add(repo_index, &entry));
+	}
+}
+
+void test_index_names__add(void)
+{
+	const git_index_name_entry *conflict_name;
+
+	index_add_conflicts();
+	cl_git_pass(git_index_name_add(repo_index, "ancestor", "ours", "theirs"));
+	cl_git_pass(git_index_name_add(repo_index, "ancestor2", "ours2", NULL));
+	cl_git_pass(git_index_name_add(repo_index, "ancestor3", NULL, "theirs3"));
+
+	cl_assert(git_index_name_entrycount(repo_index) == 3);
+
+	conflict_name = git_index_name_get_byindex(repo_index, 0);
+	cl_assert(strcmp(conflict_name->ancestor, "ancestor") == 0);
+	cl_assert(strcmp(conflict_name->ours, "ours") == 0);
+	cl_assert(strcmp(conflict_name->theirs, "theirs") == 0);
+
+	conflict_name = git_index_name_get_byindex(repo_index, 1);
+	cl_assert(strcmp(conflict_name->ancestor, "ancestor2") == 0);
+	cl_assert(strcmp(conflict_name->ours, "ours2") == 0);
+	cl_assert(conflict_name->theirs == NULL);
+
+	conflict_name = git_index_name_get_byindex(repo_index, 2);
+	cl_assert(strcmp(conflict_name->ancestor, "ancestor3") == 0);
+	cl_assert(conflict_name->ours == NULL);
+	cl_assert(strcmp(conflict_name->theirs, "theirs3") == 0);
+
+	cl_git_pass(git_index_write(repo_index));
+}
+
+void test_index_names__roundtrip(void)
+{
+	const git_index_name_entry *conflict_name;
+
+	cl_git_pass(git_index_name_add(repo_index, "ancestor", "ours", "theirs"));
+	cl_git_pass(git_index_name_add(repo_index, "ancestor2", "ours2", NULL));
+	cl_git_pass(git_index_name_add(repo_index, "ancestor3", NULL, "theirs3"));
+
+	cl_git_pass(git_index_write(repo_index));
+	git_index_clear(repo_index);
+	cl_assert(git_index_name_entrycount(repo_index) == 0);
+
+	cl_git_pass(git_index_read(repo_index, true));
+	cl_assert(git_index_name_entrycount(repo_index) == 3);
+
+	conflict_name = git_index_name_get_byindex(repo_index, 0);
+	cl_assert(strcmp(conflict_name->ancestor, "ancestor") == 0);
+	cl_assert(strcmp(conflict_name->ours, "ours") == 0);
+	cl_assert(strcmp(conflict_name->theirs, "theirs") == 0);
+
+	conflict_name = git_index_name_get_byindex(repo_index, 1);
+	cl_assert(strcmp(conflict_name->ancestor, "ancestor2") == 0);
+	cl_assert(strcmp(conflict_name->ours, "ours2") == 0);
+	cl_assert(conflict_name->theirs == NULL);
+
+	conflict_name = git_index_name_get_byindex(repo_index, 2);
+	cl_assert(strcmp(conflict_name->ancestor, "ancestor3") == 0);
+	cl_assert(conflict_name->ours == NULL);
+	cl_assert(strcmp(conflict_name->theirs, "theirs3") == 0);
+}
+
+void test_index_names__cleaned_on_reset_hard(void)
+{
+	git_object *target;
+
+	cl_git_pass(git_revparse_single(&target, repo, "3a34580"));
+
+	test_index_names__add();
+	cl_git_pass(git_reset(repo, target, GIT_RESET_HARD, NULL));
+	cl_assert(git_index_name_entrycount(repo_index) == 0);
+
+	git_object_free(target);
+}
+
+void test_index_names__cleaned_on_reset_mixed(void)
+{
+	git_object *target;
+
+	cl_git_pass(git_revparse_single(&target, repo, "3a34580"));
+
+	test_index_names__add();
+	cl_git_pass(git_reset(repo, target, GIT_RESET_MIXED, NULL));
+	cl_assert(git_index_name_entrycount(repo_index) == 0);
+
+	git_object_free(target);
+}
+
+void test_index_names__cleaned_on_checkout_tree(void)
+{
+	git_oid oid;
+	git_object *obj;
+	git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT;
+
+	opts.checkout_strategy = GIT_CHECKOUT_FORCE | GIT_CHECKOUT_UPDATE_ONLY;
+
+	test_index_names__add();
+	cl_git_pass(git_reference_name_to_id(&oid, repo, "refs/heads/master"));
+	cl_git_pass(git_object_lookup(&obj, repo, &oid, GIT_OBJECT_ANY));
+	cl_git_pass(git_checkout_tree(repo, obj, &opts));
+	cl_assert_equal_sz(0, git_index_name_entrycount(repo_index));
+
+	git_object_free(obj);
+}
+
+void test_index_names__cleaned_on_checkout_head(void)
+{
+	git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT;
+
+	opts.checkout_strategy = GIT_CHECKOUT_FORCE | GIT_CHECKOUT_UPDATE_ONLY;
+
+	test_index_names__add();
+	cl_git_pass(git_checkout_head(repo, &opts));
+	cl_assert_equal_sz(0, git_index_name_entrycount(repo_index));
+}
+
+void test_index_names__retained_on_checkout_index(void)
+{
+	git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT;
+
+	opts.checkout_strategy = GIT_CHECKOUT_FORCE | GIT_CHECKOUT_UPDATE_ONLY;
+
+	test_index_names__add();
+	cl_git_pass(git_checkout_index(repo, repo_index, &opts));
+	cl_assert(git_index_name_entrycount(repo_index) > 0);
+}

node_modules/nodegit/vendor/libgit2/tests/index/nsec.c

@@ -0,0 +1,129 @@
+#include "clar_libgit2.h"
+#include "index.h"
+#include "git2/sys/index.h"
+#include "git2/repository.h"
+#include "../reset/reset_helpers.h"
+
+static git_repository *repo;
+static git_index *repo_index;
+
+#define TEST_REPO_PATH "nsecs"
+
+/* Fixture setup and teardown */
+void test_index_nsec__initialize(void)
+{
+	repo = cl_git_sandbox_init("nsecs");
+	git_repository_index(&repo_index, repo);
+}
+
+void test_index_nsec__cleanup(void)
+{
+	git_index_free(repo_index);
+	repo_index = NULL;
+
+	cl_git_sandbox_cleanup();
+}
+
+static bool try_create_file_with_nsec_timestamp(const char *path)
+{
+	struct stat st;
+	int try;
+
+	/* retry a few times to avoid nanos *actually* equal 0 race condition */
+	for (try = 0; try < 3; try++) {
+		cl_git_mkfile(path, "This is hopefully a file with nanoseconds!");
+
+		cl_must_pass(p_stat(path, &st));
+
+		if (st.st_ctime_nsec && st.st_mtime_nsec)
+			return true;
+	}
+
+	return false;
+}
+
+/* try to determine if the underlying filesystem supports a resolution
+ * higher than a single second.  (i'm looking at you, hfs+)
+ */
+static bool should_expect_nsecs(void)
+{
+	git_buf nsec_path = GIT_BUF_INIT;
+	bool expect;
+
+	git_buf_joinpath(&nsec_path, clar_sandbox_path(), "nsec_test");
+
+	expect = try_create_file_with_nsec_timestamp(nsec_path.ptr);
+
+	p_unlink(nsec_path.ptr);
+
+	git_buf_dispose(&nsec_path);
+
+	return expect;
+}
+
+static bool has_nsecs(void)
+{
+	const git_index_entry *entry;
+	size_t i;
+	bool has_nsecs = false;
+
+	for (i = 0; i < git_index_entrycount(repo_index); i++) {
+		entry = git_index_get_byindex(repo_index, i);
+
+		if (entry->ctime.nanoseconds || entry->mtime.nanoseconds) {
+			has_nsecs = true;
+			break;
+		}
+	}
+
+	return has_nsecs;
+}
+
+void test_index_nsec__has_nanos(void)
+{
+	cl_assert_equal_b(true, has_nsecs());
+}
+
+void test_index_nsec__staging_maintains_other_nanos(void)
+{
+	const git_index_entry *entry;
+	bool expect_nsec, test_file_has_nsec;
+
+	expect_nsec = should_expect_nsecs();
+	test_file_has_nsec = try_create_file_with_nsec_timestamp("nsecs/a.txt");
+
+	cl_assert_equal_b(expect_nsec, test_file_has_nsec);
+
+	cl_git_pass(git_index_add_bypath(repo_index, "a.txt"));
+	cl_git_pass(git_index_write(repo_index));
+
+	cl_git_pass(git_index_write(repo_index));
+
+	git_index_read(repo_index, 1);
+	cl_assert_equal_b(true, has_nsecs());
+
+	cl_assert((entry = git_index_get_bypath(repo_index, "a.txt", 0)));
+
+	/* if we are writing nanoseconds to the index, expect them to be
+	 * nonzero.
+	 */
+	if (expect_nsec) {
+		cl_assert(entry->ctime.nanoseconds != 0);
+		cl_assert(entry->mtime.nanoseconds != 0);
+	} else {
+		cl_assert_equal_i(0, entry->ctime.nanoseconds);
+		cl_assert_equal_i(0, entry->mtime.nanoseconds);
+	}
+}
+
+void test_index_nsec__status_doesnt_clear_nsecs(void)
+{
+	git_status_list *statuslist;
+
+	cl_git_pass(git_status_list_new(&statuslist, repo, NULL));
+
+	git_index_read(repo_index, 1);
+	cl_assert_equal_b(true, has_nsecs());
+
+	git_status_list_free(statuslist);
+}

node_modules/nodegit/vendor/libgit2/tests/index/racy.c

@@ -0,0 +1,324 @@
+#include "clar_libgit2.h"
+#include "../checkout/checkout_helpers.h"
+
+#include "buffer.h"
+#include "index.h"
+#include "repository.h"
+
+static git_repository *g_repo;
+
+void test_index_racy__initialize(void)
+{
+	cl_git_pass(git_repository_init(&g_repo, "diff_racy", false));
+}
+
+void test_index_racy__cleanup(void)
+{
+	git_repository_free(g_repo);
+	g_repo = NULL;
+
+	cl_fixture_cleanup("diff_racy");
+}
+
+void test_index_racy__diff(void)
+{
+	git_index *index;
+	git_diff *diff;
+	git_buf path = GIT_BUF_INIT;
+
+	cl_git_pass(git_buf_joinpath(&path, git_repository_workdir(g_repo), "A"));
+	cl_git_mkfile(path.ptr, "A");
+
+	/* Put 'A' into the index */
+	cl_git_pass(git_repository_index(&index, g_repo));
+	cl_git_pass(git_index_add_bypath(index, "A"));
+	cl_git_pass(git_index_write(index));
+
+	cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, index, NULL));
+	cl_assert_equal_i(0, git_diff_num_deltas(diff));
+	git_diff_free(diff);
+
+	/* Change its contents quickly, so we get the same timestamp */
+	cl_git_mkfile(path.ptr, "B");
+
+	cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, index, NULL));
+	cl_assert_equal_i(1, git_diff_num_deltas(diff));
+
+	git_index_free(index);
+	git_diff_free(diff);
+	git_buf_dispose(&path);
+}
+
+void test_index_racy__write_index_just_after_file(void)
+{
+	git_index *index;
+	git_diff *diff;
+	git_buf path = GIT_BUF_INIT;
+	struct p_timeval times[2];
+
+	/* Make sure we do have a timestamp */
+	cl_git_pass(git_repository_index(&index, g_repo));
+	cl_git_pass(git_index_write(index));
+
+	cl_git_pass(git_buf_joinpath(&path, git_repository_workdir(g_repo), "A"));
+	cl_git_mkfile(path.ptr, "A");
+	/* Force the file's timestamp to be a second after we wrote the index */
+	times[0].tv_sec = index->stamp.mtime.tv_sec + 1;
+	times[0].tv_usec = index->stamp.mtime.tv_nsec / 1000;
+	times[1].tv_sec = index->stamp.mtime.tv_sec + 1;
+	times[1].tv_usec = index->stamp.mtime.tv_nsec / 1000;
+	cl_git_pass(p_utimes(path.ptr, times));
+
+	/*
+	 * Put 'A' into the index, the size field will be filled,
+	 * because the index' on-disk timestamp does not match the
+	 * file's timestamp.
+	 */
+	cl_git_pass(git_index_add_bypath(index, "A"));
+	cl_git_pass(git_index_write(index));
+
+	cl_git_mkfile(path.ptr, "B");
+	/*
+	 * Pretend this index' modification happened a second after the
+	 * file update, and rewrite the file in that same second.
+	 */
+	times[0].tv_sec = index->stamp.mtime.tv_sec + 2;
+	times[0].tv_usec = index->stamp.mtime.tv_nsec / 1000;
+	times[1].tv_sec = index->stamp.mtime.tv_sec + 2;
+	times[0].tv_usec = index->stamp.mtime.tv_nsec / 1000;
+
+	cl_git_pass(p_utimes(git_index_path(index), times));
+	cl_git_pass(p_utimes(path.ptr, times));
+
+	cl_git_pass(git_index_read(index, true));
+
+	cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, index, NULL));
+	cl_assert_equal_i(1, git_diff_num_deltas(diff));
+
+	git_buf_dispose(&path);
+	git_diff_free(diff);
+	git_index_free(index);
+}
+
+
+static void setup_race(void)
+{
+	git_buf path = GIT_BUF_INIT;
+	git_index *index;
+	git_index_entry *entry;
+	struct stat st;
+
+	/* Make sure we do have a timestamp */
+	cl_git_pass(git_repository_index__weakptr(&index, g_repo));
+	cl_git_pass(git_index_write(index));
+
+	cl_git_pass(git_buf_joinpath(&path, git_repository_workdir(g_repo), "A"));
+
+	cl_git_mkfile(path.ptr, "A");
+	cl_git_pass(git_index_add_bypath(index, "A"));
+
+	cl_git_mkfile(path.ptr, "B");
+	cl_git_pass(git_index_write(index));
+
+	cl_git_mkfile(path.ptr, "");
+
+	cl_git_pass(p_stat(path.ptr, &st));
+	cl_assert(entry = (git_index_entry *)git_index_get_bypath(index, "A", 0));
+
+	/* force a race */
+	entry->mtime.seconds = (int32_t)st.st_mtime;
+	entry->mtime.nanoseconds = (int32_t)st.st_mtime_nsec;
+
+	git_buf_dispose(&path);
+}
+
+void test_index_racy__smudges_index_entry_on_save(void)
+{
+	git_index *index;
+	const git_index_entry *entry;
+
+	setup_race();
+
+	/* write the index, which will smudge anything that had the same timestamp
+	 * as the index when the index was loaded.  that way future loads of the
+	 * index (with the new timestamp) will know that these files were not
+	 * clean.
+	 */
+
+	cl_git_pass(git_repository_index__weakptr(&index, g_repo));
+	cl_git_pass(git_index_write(index));
+
+	cl_assert(entry = git_index_get_bypath(index, "A", 0));
+	cl_assert_equal_i(0, entry->file_size);
+}
+
+void test_index_racy__detects_diff_of_change_in_identical_timestamp(void)
+{
+	git_index *index;
+	git_diff *diff;
+
+	cl_git_pass(git_repository_index__weakptr(&index, g_repo));
+
+	setup_race();
+
+	cl_git_pass(git_diff_index_to_workdir(&diff, g_repo, index, NULL));
+	cl_assert_equal_i(1, git_diff_num_deltas(diff));
+
+	git_diff_free(diff);
+}
+
+static void setup_uptodate_files(void)
+{
+	git_buf path = GIT_BUF_INIT;
+	git_index *index;
+	const git_index_entry *a_entry;
+	git_index_entry new_entry = {{0}};
+
+	cl_git_pass(git_repository_index(&index, g_repo));
+
+	cl_git_pass(git_buf_joinpath(&path, git_repository_workdir(g_repo), "A"));
+	cl_git_mkfile(path.ptr, "A");
+
+	/* Put 'A' into the index */
+	cl_git_pass(git_index_add_bypath(index, "A"));
+
+	cl_assert((a_entry = git_index_get_bypath(index, "A", 0)));
+
+	/* Put 'B' into the index */
+	new_entry.path = "B";
+	new_entry.mode = GIT_FILEMODE_BLOB;
+	git_oid_cpy(&new_entry.id, &a_entry->id);
+	cl_git_pass(git_index_add(index, &new_entry));
+
+	/* Put 'C' into the index */
+	new_entry.path = "C";
+	new_entry.mode = GIT_FILEMODE_BLOB;
+	cl_git_pass(git_index_add_from_buffer(index, &new_entry, "hello!\n", 7));
+
+	git_index_free(index);
+	git_buf_dispose(&path);
+}
+
+void test_index_racy__adding_to_index_is_uptodate(void)
+{
+	git_index *index;
+	const git_index_entry *entry;
+
+	setup_uptodate_files();
+
+	cl_git_pass(git_repository_index(&index, g_repo));
+
+	/* ensure that they're all uptodate */
+	cl_assert((entry = git_index_get_bypath(index, "A", 0)));
+	cl_assert_equal_i(GIT_INDEX_ENTRY_UPTODATE, (entry->flags_extended & GIT_INDEX_ENTRY_UPTODATE));
+
+	cl_assert((entry = git_index_get_bypath(index, "B", 0)));
+	cl_assert_equal_i(GIT_INDEX_ENTRY_UPTODATE, (entry->flags_extended & GIT_INDEX_ENTRY_UPTODATE));
+
+	cl_assert((entry = git_index_get_bypath(index, "C", 0)));
+	cl_assert_equal_i(GIT_INDEX_ENTRY_UPTODATE, (entry->flags_extended & GIT_INDEX_ENTRY_UPTODATE));
+
+	cl_git_pass(git_index_write(index));
+
+	git_index_free(index);
+}
+
+void test_index_racy__reading_clears_uptodate_bit(void)
+{
+	git_index *index;
+	const git_index_entry *entry;
+
+	setup_uptodate_files();
+
+	cl_git_pass(git_repository_index(&index, g_repo));
+	cl_git_pass(git_index_write(index));
+
+	cl_git_pass(git_index_read(index, true));
+
+	/* ensure that no files are uptodate */
+	cl_assert((entry = git_index_get_bypath(index, "A", 0)));
+	cl_assert_equal_i(0, (entry->flags_extended & GIT_INDEX_ENTRY_UPTODATE));
+
+	cl_assert((entry = git_index_get_bypath(index, "B", 0)));
+	cl_assert_equal_i(0, (entry->flags_extended & GIT_INDEX_ENTRY_UPTODATE));
+
+	cl_assert((entry = git_index_get_bypath(index, "C", 0)));
+	cl_assert_equal_i(0, (entry->flags_extended & GIT_INDEX_ENTRY_UPTODATE));
+
+	git_index_free(index);
+}
+
+void test_index_racy__read_tree_clears_uptodate_bit(void)
+{
+	git_index *index;
+	git_tree *tree;
+	const git_index_entry *entry;
+	git_oid id;
+
+	setup_uptodate_files();
+
+	cl_git_pass(git_repository_index(&index, g_repo));
+	cl_git_pass(git_index_write_tree_to(&id, index, g_repo));
+	cl_git_pass(git_tree_lookup(&tree, g_repo, &id));
+	cl_git_pass(git_index_read_tree(index, tree));
+
+	/* ensure that no files are uptodate */
+	cl_assert((entry = git_index_get_bypath(index, "A", 0)));
+	cl_assert_equal_i(0, (entry->flags_extended & GIT_INDEX_ENTRY_UPTODATE));
+
+	cl_assert((entry = git_index_get_bypath(index, "B", 0)));
+	cl_assert_equal_i(0, (entry->flags_extended & GIT_INDEX_ENTRY_UPTODATE));
+
+	cl_assert((entry = git_index_get_bypath(index, "C", 0)));
+	cl_assert_equal_i(0, (entry->flags_extended & GIT_INDEX_ENTRY_UPTODATE));
+
+	git_tree_free(tree);
+	git_index_free(index);
+}
+
+void test_index_racy__read_index_smudges(void)
+{
+	git_index *index, *newindex;
+	const git_index_entry *entry;
+
+	/* if we are reading an index into our new index, ensure that any
+	 * racy entries in the index that we're reading are smudged so that
+	 * we don't propagate their timestamps without further investigation.
+	 */
+	setup_race();
+
+	cl_git_pass(git_repository_index(&index, g_repo));
+	cl_git_pass(git_index_new(&newindex));
+	cl_git_pass(git_index_read_index(newindex, index));
+
+	cl_assert(entry = git_index_get_bypath(newindex, "A", 0));
+	cl_assert_equal_i(0, entry->file_size);
+
+	git_index_free(index);
+	git_index_free(newindex);
+}
+
+void test_index_racy__read_index_clears_uptodate_bit(void)
+{
+	git_index *index, *newindex;
+	const git_index_entry *entry;
+
+	setup_uptodate_files();
+
+	cl_git_pass(git_repository_index(&index, g_repo));
+	cl_git_pass(git_index_new(&newindex));
+	cl_git_pass(git_index_read_index(newindex, index));
+
+	/* ensure that files brought in from the other index are not uptodate */
+	cl_assert((entry = git_index_get_bypath(newindex, "A", 0)));
+	cl_assert_equal_i(0, (entry->flags_extended & GIT_INDEX_ENTRY_UPTODATE));
+
+	cl_assert((entry = git_index_get_bypath(newindex, "B", 0)));
+	cl_assert_equal_i(0, (entry->flags_extended & GIT_INDEX_ENTRY_UPTODATE));
+
+	cl_assert((entry = git_index_get_bypath(newindex, "C", 0)));
+	cl_assert_equal_i(0, (entry->flags_extended & GIT_INDEX_ENTRY_UPTODATE));
+
+	git_index_free(index);
+	git_index_free(newindex);
+}

node_modules/nodegit/vendor/libgit2/tests/index/read_index.c

@@ -0,0 +1,232 @@
+#include "clar_libgit2.h"
+#include "posix.h"
+#include "index.h"
+#include "conflicts.h"
+
+static git_repository *_repo;
+static git_index *_index;
+
+void test_index_read_index__initialize(void)
+{
+	git_object *head;
+	git_reference *head_ref;
+
+	_repo = cl_git_sandbox_init("testrepo");
+	cl_git_pass(git_revparse_ext(&head, &head_ref, _repo, "HEAD"));
+	cl_git_pass(git_reset(_repo, head, GIT_RESET_HARD, NULL));
+	cl_git_pass(git_repository_index(&_index, _repo));
+
+	git_reference_free(head_ref);
+	git_object_free(head);
+}
+
+void test_index_read_index__cleanup(void)
+{
+	git_index_free(_index);
+	cl_git_sandbox_cleanup();
+}
+
+void test_index_read_index__maintains_stat_cache(void)
+{
+	git_index *new_index;
+	git_oid index_id;
+	git_index_entry new_entry;
+	const git_index_entry *e;
+	git_tree *tree;
+	size_t i;
+
+	cl_assert_equal_i(4, git_index_entrycount(_index));
+
+	/* write-tree */
+	cl_git_pass(git_index_write_tree(&index_id, _index));
+
+	/* read-tree, then read index */
+	git_tree_lookup(&tree, _repo, &index_id);
+	cl_git_pass(git_index_new(&new_index));
+	cl_git_pass(git_index_read_tree(new_index, tree));
+	git_tree_free(tree);
+
+	/* add a new entry that will not have stat data */
+	memset(&new_entry, 0, sizeof(git_index_entry));
+	new_entry.path = "Hello";
+	git_oid_fromstr(&new_entry.id, "0123456789012345678901234567890123456789");
+	new_entry.file_size = 1234;
+	new_entry.mode = 0100644;
+	cl_git_pass(git_index_add(new_index, &new_entry));
+	cl_assert_equal_i(5, git_index_entrycount(new_index));
+
+	cl_git_pass(git_index_read_index(_index, new_index));
+	git_index_free(new_index);
+
+	cl_assert_equal_i(5, git_index_entrycount(_index));
+
+	for (i = 0; i < git_index_entrycount(_index); i++) {
+		e = git_index_get_byindex(_index, i);
+
+		if (strcmp(e->path, "Hello") == 0) {
+			cl_assert_equal_i(0, e->ctime.seconds);
+			cl_assert_equal_i(0, e->mtime.seconds);
+		} else {
+			cl_assert(0 != e->ctime.seconds);
+			cl_assert(0 != e->mtime.seconds);
+		}
+	}
+}
+
+static bool roundtrip_with_read_index(const char *tree_idstr)
+{
+	git_oid tree_id, new_tree_id;
+	git_tree *tree;
+	git_index *tree_index;
+
+	cl_git_pass(git_oid_fromstr(&tree_id, tree_idstr));
+	cl_git_pass(git_tree_lookup(&tree, _repo, &tree_id));
+	cl_git_pass(git_index_new(&tree_index));
+	cl_git_pass(git_index_read_tree(tree_index, tree));
+	cl_git_pass(git_index_read_index(_index, tree_index));
+	cl_git_pass(git_index_write_tree(&new_tree_id, _index));
+
+	git_tree_free(tree);
+	git_index_free(tree_index);
+
+	return git_oid_equal(&tree_id, &new_tree_id);
+}
+
+void test_index_read_index__produces_treesame_indexes(void)
+{
+	roundtrip_with_read_index("53fc32d17276939fc79ed05badaef2db09990016");
+	roundtrip_with_read_index("944c0f6e4dfa41595e6eb3ceecdb14f50fe18162");
+	roundtrip_with_read_index("1810dff58d8a660512d4832e740f692884338ccd");
+	roundtrip_with_read_index("d52a8fe84ceedf260afe4f0287bbfca04a117e83");
+	roundtrip_with_read_index("c36d8ea75da8cb510fcb0c408c1d7e53f9a99dbe");
+	roundtrip_with_read_index("7b2417a23b63e1fdde88c80e14b33247c6e5785a");
+	roundtrip_with_read_index("f82a8eb4cb20e88d1030fd10d89286215a715396");
+	roundtrip_with_read_index("fd093bff70906175335656e6ce6ae05783708765");
+	roundtrip_with_read_index("ae90f12eea699729ed24555e40b9fd669da12a12");
+}
+
+void test_index_read_index__read_and_writes(void)
+{
+	git_oid tree_id, new_tree_id;
+	git_tree *tree;
+	git_index *tree_index, *new_index;
+
+	cl_git_pass(git_oid_fromstr(&tree_id, "ae90f12eea699729ed24555e40b9fd669da12a12"));
+	cl_git_pass(git_tree_lookup(&tree, _repo, &tree_id));
+	cl_git_pass(git_index_new(&tree_index));
+	cl_git_pass(git_index_read_tree(tree_index, tree));
+	cl_git_pass(git_index_read_index(_index, tree_index));
+	cl_git_pass(git_index_write(_index));
+
+	cl_git_pass(git_index_open(&new_index, git_index_path(_index)));
+	cl_git_pass(git_index_write_tree_to(&new_tree_id, new_index, _repo));
+
+	cl_assert_equal_oid(&tree_id, &new_tree_id);
+
+	git_tree_free(tree);
+	git_index_free(tree_index);
+	git_index_free(new_index);
+}
+
+static void add_conflicts(git_index *index, const char *filename)
+{
+	git_index_entry ancestor_entry, our_entry, their_entry;
+	static int conflict_idx = 0;
+	char *ancestor_ids[] =
+		{ CONFLICTS_ONE_ANCESTOR_OID, CONFLICTS_TWO_ANCESTOR_OID };
+	char *our_ids[] =
+		{ CONFLICTS_ONE_OUR_OID, CONFLICTS_TWO_OUR_OID };
+	char *their_ids[] =
+		{ CONFLICTS_ONE_THEIR_OID, CONFLICTS_TWO_THEIR_OID };
+
+	conflict_idx = (conflict_idx + 1) % 2;
+
+	memset(&ancestor_entry, 0x0, sizeof(git_index_entry));
+	memset(&our_entry, 0x0, sizeof(git_index_entry));
+	memset(&their_entry, 0x0, sizeof(git_index_entry));
+
+	ancestor_entry.path = filename;
+	ancestor_entry.mode = 0100644;
+	GIT_INDEX_ENTRY_STAGE_SET(&ancestor_entry, 1);
+	git_oid_fromstr(&ancestor_entry.id, ancestor_ids[conflict_idx]);
+
+	our_entry.path = filename;
+	our_entry.mode = 0100644;
+	GIT_INDEX_ENTRY_STAGE_SET(&our_entry, 2);
+	git_oid_fromstr(&our_entry.id, our_ids[conflict_idx]);
+
+	their_entry.path = filename;
+	their_entry.mode = 0100644;
+	GIT_INDEX_ENTRY_STAGE_SET(&ancestor_entry, 2);
+	git_oid_fromstr(&their_entry.id, their_ids[conflict_idx]);
+
+	cl_git_pass(git_index_conflict_add(index, &ancestor_entry,
+		&our_entry, &their_entry));
+}
+
+void test_index_read_index__handles_conflicts(void)
+{
+	git_oid tree_id;
+	git_tree *tree;
+	git_index *index, *new_index;
+	git_index_conflict_iterator *conflict_iterator;
+	const git_index_entry *ancestor, *ours, *theirs;
+
+	cl_git_pass(git_oid_fromstr(&tree_id, "ae90f12eea699729ed24555e40b9fd669da12a12"));
+	cl_git_pass(git_tree_lookup(&tree, _repo, &tree_id));
+	cl_git_pass(git_index_new(&index));
+	cl_git_pass(git_index_new(&new_index));
+	cl_git_pass(git_index_read_tree(index, tree));
+	cl_git_pass(git_index_read_tree(new_index, tree));
+
+	/* put some conflicts in only the old side, these should be removed */
+	add_conflicts(index, "orig_side-1.txt");
+	add_conflicts(index, "orig_side-2.txt");
+
+	/* put some conflicts in both indexes, these should be unchanged */
+	add_conflicts(index, "both_sides-1.txt");
+	add_conflicts(new_index,  "both_sides-1.txt");
+	add_conflicts(index, "both_sides-2.txt");
+	add_conflicts(new_index,  "both_sides-2.txt");
+
+	/* put some conflicts in the new index, these should be added */
+	add_conflicts(new_index, "new_side-1.txt");
+	add_conflicts(new_index, "new_side-2.txt");
+
+	cl_git_pass(git_index_read_index(index, new_index));
+	cl_git_pass(git_index_conflict_iterator_new(&conflict_iterator, index));
+
+	cl_git_pass(git_index_conflict_next(
+		&ancestor, &ours, &theirs, conflict_iterator));
+	cl_assert_equal_s("both_sides-1.txt", ancestor->path);
+	cl_assert_equal_s("both_sides-1.txt", ours->path);
+	cl_assert_equal_s("both_sides-1.txt", theirs->path);
+
+	cl_git_pass(git_index_conflict_next(
+		&ancestor, &ours, &theirs, conflict_iterator));
+	cl_assert_equal_s("both_sides-2.txt", ancestor->path);
+	cl_assert_equal_s("both_sides-2.txt", ours->path);
+	cl_assert_equal_s("both_sides-2.txt", theirs->path);
+
+	cl_git_pass(git_index_conflict_next(
+		&ancestor, &ours, &theirs, conflict_iterator));
+	cl_assert_equal_s("new_side-1.txt", ancestor->path);
+	cl_assert_equal_s("new_side-1.txt", ours->path);
+	cl_assert_equal_s("new_side-1.txt", theirs->path);
+
+	cl_git_pass(git_index_conflict_next(
+		&ancestor, &ours, &theirs, conflict_iterator));
+	cl_assert_equal_s("new_side-2.txt", ancestor->path);
+	cl_assert_equal_s("new_side-2.txt", ours->path);
+	cl_assert_equal_s("new_side-2.txt", theirs->path);
+
+
+	cl_git_fail_with(GIT_ITEROVER, git_index_conflict_next(
+		&ancestor, &ours, &theirs, conflict_iterator));
+
+	git_index_conflict_iterator_free(conflict_iterator);
+
+	git_tree_free(tree);
+	git_index_free(new_index);
+	git_index_free(index);
+}

node_modules/nodegit/vendor/libgit2/tests/index/read_tree.c

@@ -0,0 +1,46 @@
+#include "clar_libgit2.h"
+#include "posix.h"
+
+/* Test that reading and writing a tree is a no-op */
+void test_index_read_tree__read_write_involution(void)
+{
+	git_repository *repo;
+	git_index *index;
+	git_oid tree_oid;
+	git_tree *tree;
+	git_oid expected;
+
+	p_mkdir("read_tree", 0700);
+
+	cl_git_pass(git_repository_init(&repo, "./read_tree", 0));
+	cl_git_pass(git_repository_index(&index, repo));
+
+	cl_assert(git_index_entrycount(index) == 0);
+
+	p_mkdir("./read_tree/abc", 0700);
+
+	/* Sort order: '-' < '/' < '_' */
+	cl_git_mkfile("./read_tree/abc-d", NULL);
+	cl_git_mkfile("./read_tree/abc/d", NULL);
+	cl_git_mkfile("./read_tree/abc_d", NULL);
+
+	cl_git_pass(git_index_add_bypath(index, "abc-d"));
+	cl_git_pass(git_index_add_bypath(index, "abc_d"));
+	cl_git_pass(git_index_add_bypath(index, "abc/d"));
+
+	/* write-tree */
+	cl_git_pass(git_index_write_tree(&expected, index));
+
+	/* read-tree */
+	git_tree_lookup(&tree, repo, &expected);
+	cl_git_pass(git_index_read_tree(index, tree));
+	git_tree_free(tree);
+
+	cl_git_pass(git_index_write_tree(&tree_oid, index));
+	cl_assert_equal_oid(&expected, &tree_oid);
+
+	git_index_free(index);
+	git_repository_free(repo);
+
+	cl_fixture_cleanup("read_tree");
+}

node_modules/nodegit/vendor/libgit2/tests/index/rename.c

@@ -0,0 +1,86 @@
+#include "clar_libgit2.h"
+#include "posix.h"
+
+void test_index_rename__single_file(void)
+{
+	git_repository *repo;
+	git_index *index;
+	size_t position;
+	git_oid expected;
+	const git_index_entry *entry;
+
+	p_mkdir("rename", 0700);
+
+	cl_git_pass(git_repository_init(&repo, "./rename", 0));
+	cl_git_pass(git_repository_index(&index, repo));
+
+	cl_assert(git_index_entrycount(index) == 0);
+
+	cl_git_mkfile("./rename/lame.name.txt", "new_file\n");
+
+	/* This should add a new blob to the object database in 'd4/fa8600b4f37d7516bef4816ae2c64dbf029e3a' */
+	cl_git_pass(git_index_add_bypath(index, "lame.name.txt"));
+	cl_assert(git_index_entrycount(index) == 1);
+
+	cl_git_pass(git_oid_fromstr(&expected, "d4fa8600b4f37d7516bef4816ae2c64dbf029e3a"));
+
+	cl_assert(!git_index_find(&position, index, "lame.name.txt"));
+
+	entry = git_index_get_byindex(index, position);
+	cl_assert_equal_oid(&expected, &entry->id);
+
+	/* This removes the entry from the index, but not from the object database */
+	cl_git_pass(git_index_remove(index, "lame.name.txt", 0));
+	cl_assert(git_index_entrycount(index) == 0);
+
+	p_rename("./rename/lame.name.txt", "./rename/fancy.name.txt");
+
+	cl_git_pass(git_index_add_bypath(index, "fancy.name.txt"));
+	cl_assert(git_index_entrycount(index) == 1);
+
+	cl_assert(!git_index_find(&position, index, "fancy.name.txt"));
+
+	entry = git_index_get_byindex(index, position);
+	cl_assert_equal_oid(&expected, &entry->id);
+
+	git_index_free(index);
+	git_repository_free(repo);
+
+	cl_fixture_cleanup("rename");
+}
+
+void test_index_rename__casechanging(void)
+{
+	git_repository *repo;
+	git_index *index;
+	const git_index_entry *entry;
+	git_index_entry new = {{0}};
+
+	p_mkdir("rename", 0700);
+
+	cl_git_pass(git_repository_init(&repo, "./rename", 0));
+	cl_git_pass(git_repository_index(&index, repo));
+
+	cl_git_mkfile("./rename/lame.name.txt", "new_file\n");
+
+	cl_git_pass(git_index_add_bypath(index, "lame.name.txt"));
+	cl_assert_equal_i(1, git_index_entrycount(index));
+	cl_assert((entry = git_index_get_bypath(index, "lame.name.txt", 0)));
+
+	memcpy(&new, entry, sizeof(git_index_entry));
+	new.path = "LAME.name.TXT";
+
+	cl_git_pass(git_index_add(index, &new));
+	cl_assert((entry = git_index_get_bypath(index, "LAME.name.TXT", 0)));
+
+	if (cl_repo_get_bool(repo, "core.ignorecase"))
+		cl_assert_equal_i(1, git_index_entrycount(index));
+	else
+		cl_assert_equal_i(2, git_index_entrycount(index));
+
+	git_index_free(index);
+	git_repository_free(repo);
+
+	cl_fixture_cleanup("rename");
+}
+

node_modules/nodegit/vendor/libgit2/tests/index/reuc.c

@@ -0,0 +1,376 @@
+#include "clar_libgit2.h"
+#include "index.h"
+#include "git2/sys/index.h"
+#include "git2/repository.h"
+#include "../reset/reset_helpers.h"
+
+static git_repository *repo;
+static git_index *repo_index;
+
+#define TEST_REPO_PATH "mergedrepo"
+#define TEST_INDEX_PATH TEST_REPO_PATH "/.git/index"
+
+#define ONE_ANCESTOR_OID "478871385b9cd03908c5383acfd568bef023c6b3"
+#define ONE_OUR_OID "4458b8bc9e72b6c8755ae456f60e9844d0538d8c"
+#define ONE_THEIR_OID "8b72416545c7e761b64cecad4f1686eae4078aa8"
+
+#define TWO_ANCESTOR_OID "9d81f82fccc7dcd7de7a1ffead1815294c2e092c"
+#define TWO_OUR_OID "8f3c06cff9a83757cec40c80bc9bf31a2582bde9"
+#define TWO_THEIR_OID "887b153b165d32409c70163e0f734c090f12f673"
+
+/* Fixture setup and teardown */
+void test_index_reuc__initialize(void)
+{
+	repo = cl_git_sandbox_init("mergedrepo");
+	git_repository_index(&repo_index, repo);
+}
+
+void test_index_reuc__cleanup(void)
+{
+	git_index_free(repo_index);
+	repo_index = NULL;
+
+	cl_git_sandbox_cleanup();
+}
+
+void test_index_reuc__add(void)
+{
+	git_oid ancestor_oid, our_oid, their_oid;
+	const git_index_reuc_entry *reuc;
+
+	git_oid_fromstr(&ancestor_oid, ONE_ANCESTOR_OID);
+	git_oid_fromstr(&our_oid, ONE_OUR_OID);
+	git_oid_fromstr(&their_oid, ONE_THEIR_OID);
+
+	cl_git_pass(git_index_reuc_add(repo_index, "newfile.txt",
+		0100644, &ancestor_oid,
+		0100644, &our_oid,
+		0100644, &their_oid));
+
+	cl_assert(reuc = git_index_reuc_get_bypath(repo_index, "newfile.txt"));
+
+	cl_assert_equal_s("newfile.txt", reuc->path);
+	cl_assert(reuc->mode[0] == 0100644);
+	cl_assert(reuc->mode[1] == 0100644);
+	cl_assert(reuc->mode[2] == 0100644);
+	cl_assert_equal_oid(&reuc->oid[0], &ancestor_oid);
+	cl_assert_equal_oid(&reuc->oid[1], &our_oid);
+	cl_assert_equal_oid(&reuc->oid[2], &their_oid);
+
+	cl_git_pass(git_index_write(repo_index));
+}
+
+void test_index_reuc__add_no_ancestor(void)
+{
+	git_oid ancestor_oid, our_oid, their_oid;
+	const git_index_reuc_entry *reuc;
+
+	memset(&ancestor_oid, 0x0, sizeof(git_oid));
+	git_oid_fromstr(&our_oid, ONE_OUR_OID);
+	git_oid_fromstr(&their_oid, ONE_THEIR_OID);
+
+	cl_git_pass(git_index_reuc_add(repo_index, "newfile.txt",
+		0, NULL,
+		0100644, &our_oid,
+		0100644, &their_oid));
+
+	cl_assert(reuc = git_index_reuc_get_bypath(repo_index, "newfile.txt"));
+
+	cl_assert_equal_s("newfile.txt", reuc->path);
+	cl_assert(reuc->mode[0] == 0);
+	cl_assert(reuc->mode[1] == 0100644);
+	cl_assert(reuc->mode[2] == 0100644);
+	cl_assert_equal_oid(&reuc->oid[0], &ancestor_oid);
+	cl_assert_equal_oid(&reuc->oid[1], &our_oid);
+	cl_assert_equal_oid(&reuc->oid[2], &their_oid);
+
+	cl_git_pass(git_index_write(repo_index));
+}
+
+void test_index_reuc__read_bypath(void)
+{
+	const git_index_reuc_entry *reuc;
+	git_oid oid;
+
+	cl_assert_equal_i(2, git_index_reuc_entrycount(repo_index));
+
+	cl_assert(reuc = git_index_reuc_get_bypath(repo_index, "two.txt"));
+
+	cl_assert_equal_s("two.txt", reuc->path);
+	cl_assert(reuc->mode[0] == 0100644);
+	cl_assert(reuc->mode[1] == 0100644);
+	cl_assert(reuc->mode[2] == 0100644);
+	git_oid_fromstr(&oid, TWO_ANCESTOR_OID);
+	cl_assert_equal_oid(&reuc->oid[0], &oid);
+	git_oid_fromstr(&oid, TWO_OUR_OID);
+	cl_assert_equal_oid(&reuc->oid[1], &oid);
+	git_oid_fromstr(&oid, TWO_THEIR_OID);
+	cl_assert_equal_oid(&reuc->oid[2], &oid);
+
+	cl_assert(reuc = git_index_reuc_get_bypath(repo_index, "one.txt"));
+
+	cl_assert_equal_s("one.txt", reuc->path);
+	cl_assert(reuc->mode[0] == 0100644);
+	cl_assert(reuc->mode[1] == 0100644);
+	cl_assert(reuc->mode[2] == 0100644);
+	git_oid_fromstr(&oid, ONE_ANCESTOR_OID);
+	cl_assert_equal_oid(&reuc->oid[0], &oid);
+	git_oid_fromstr(&oid, ONE_OUR_OID);
+	cl_assert_equal_oid(&reuc->oid[1], &oid);
+	git_oid_fromstr(&oid, ONE_THEIR_OID);
+	cl_assert_equal_oid(&reuc->oid[2], &oid);
+}
+
+void test_index_reuc__ignore_case(void)
+{
+	const git_index_reuc_entry *reuc;
+	git_oid oid;
+	int index_caps;
+
+	index_caps = git_index_caps(repo_index);
+
+	index_caps &= ~GIT_INDEX_CAPABILITY_IGNORE_CASE;
+	cl_git_pass(git_index_set_caps(repo_index, index_caps));
+
+	cl_assert(!git_index_reuc_get_bypath(repo_index, "TWO.txt"));
+
+	index_caps |= GIT_INDEX_CAPABILITY_IGNORE_CASE;
+	cl_git_pass(git_index_set_caps(repo_index, index_caps));
+
+	cl_assert_equal_i(2, git_index_reuc_entrycount(repo_index));
+
+	cl_assert(reuc = git_index_reuc_get_bypath(repo_index, "TWO.txt"));
+
+	cl_assert_equal_s("two.txt", reuc->path);
+	cl_assert(reuc->mode[0] == 0100644);
+	cl_assert(reuc->mode[1] == 0100644);
+	cl_assert(reuc->mode[2] == 0100644);
+	git_oid_fromstr(&oid, TWO_ANCESTOR_OID);
+	cl_assert_equal_oid(&reuc->oid[0], &oid);
+	git_oid_fromstr(&oid, TWO_OUR_OID);
+	cl_assert_equal_oid(&reuc->oid[1], &oid);
+	git_oid_fromstr(&oid, TWO_THEIR_OID);
+	cl_assert_equal_oid(&reuc->oid[2], &oid);
+}
+
+void test_index_reuc__read_byindex(void)
+{
+	const git_index_reuc_entry *reuc;
+	git_oid oid;
+
+	cl_assert_equal_i(2, git_index_reuc_entrycount(repo_index));
+
+	cl_assert(reuc = git_index_reuc_get_byindex(repo_index, 0));
+
+	cl_assert_equal_s("one.txt", reuc->path);
+	cl_assert(reuc->mode[0] == 0100644);
+	cl_assert(reuc->mode[1] == 0100644);
+	cl_assert(reuc->mode[2] == 0100644);
+	git_oid_fromstr(&oid, ONE_ANCESTOR_OID);
+	cl_assert_equal_oid(&reuc->oid[0], &oid);
+	git_oid_fromstr(&oid, ONE_OUR_OID);
+	cl_assert_equal_oid(&reuc->oid[1], &oid);
+	git_oid_fromstr(&oid, ONE_THEIR_OID);
+	cl_assert_equal_oid(&reuc->oid[2], &oid);
+
+	cl_assert(reuc = git_index_reuc_get_byindex(repo_index, 1));
+
+	cl_assert_equal_s("two.txt", reuc->path);
+	cl_assert(reuc->mode[0] == 0100644);
+	cl_assert(reuc->mode[1] == 0100644);
+	cl_assert(reuc->mode[2] == 0100644);
+	git_oid_fromstr(&oid, TWO_ANCESTOR_OID);
+	cl_assert_equal_oid(&reuc->oid[0], &oid);
+	git_oid_fromstr(&oid, TWO_OUR_OID);
+	cl_assert_equal_oid(&reuc->oid[1], &oid);
+	git_oid_fromstr(&oid, TWO_THEIR_OID);
+	cl_assert_equal_oid(&reuc->oid[2], &oid);
+}
+
+void test_index_reuc__updates_existing(void)
+{
+	const git_index_reuc_entry *reuc;
+	git_oid ancestor_oid, our_oid, their_oid, oid;
+	int index_caps;
+
+	git_index_clear(repo_index);
+
+	index_caps = git_index_caps(repo_index);
+
+	index_caps |= GIT_INDEX_CAPABILITY_IGNORE_CASE;
+	cl_git_pass(git_index_set_caps(repo_index, index_caps));
+
+	git_oid_fromstr(&ancestor_oid, TWO_ANCESTOR_OID);
+	git_oid_fromstr(&our_oid, TWO_OUR_OID);
+	git_oid_fromstr(&their_oid, TWO_THEIR_OID);
+
+	cl_git_pass(git_index_reuc_add(repo_index, "two.txt",
+		0100644, &ancestor_oid,
+		0100644, &our_oid,
+		0100644, &their_oid));
+
+	cl_git_pass(git_index_reuc_add(repo_index, "TWO.txt",
+		0100644, &our_oid,
+		0100644, &their_oid,
+		0100644, &ancestor_oid));
+
+	cl_assert_equal_i(1, git_index_reuc_entrycount(repo_index));
+
+	cl_assert(reuc = git_index_reuc_get_byindex(repo_index, 0));
+
+	cl_assert_equal_s("TWO.txt", reuc->path);
+	git_oid_fromstr(&oid, TWO_OUR_OID);
+	cl_assert_equal_oid(&reuc->oid[0], &oid);
+	git_oid_fromstr(&oid, TWO_THEIR_OID);
+	cl_assert_equal_oid(&reuc->oid[1], &oid);
+	git_oid_fromstr(&oid, TWO_ANCESTOR_OID);
+	cl_assert_equal_oid(&reuc->oid[2], &oid);
+}
+
+void test_index_reuc__remove(void)
+{
+	git_oid oid;
+	const git_index_reuc_entry *reuc;
+
+	cl_assert_equal_i(2, git_index_reuc_entrycount(repo_index));
+
+	cl_git_pass(git_index_reuc_remove(repo_index, 0));
+	cl_git_fail(git_index_reuc_remove(repo_index, 1));
+
+	cl_assert_equal_i(1, git_index_reuc_entrycount(repo_index));
+
+	cl_assert(reuc = git_index_reuc_get_byindex(repo_index, 0));
+
+	cl_assert_equal_s("two.txt", reuc->path);
+	cl_assert(reuc->mode[0] == 0100644);
+	cl_assert(reuc->mode[1] == 0100644);
+	cl_assert(reuc->mode[2] == 0100644);
+	git_oid_fromstr(&oid, TWO_ANCESTOR_OID);
+	cl_assert_equal_oid(&reuc->oid[0], &oid);
+	git_oid_fromstr(&oid, TWO_OUR_OID);
+	cl_assert_equal_oid(&reuc->oid[1], &oid);
+	git_oid_fromstr(&oid, TWO_THEIR_OID);
+	cl_assert_equal_oid(&reuc->oid[2], &oid);
+}
+
+void test_index_reuc__write(void)
+{
+	git_oid ancestor_oid, our_oid, their_oid;
+	const git_index_reuc_entry *reuc;
+
+	git_index_clear(repo_index);
+
+	/* Write out of order to ensure sorting is correct */
+	git_oid_fromstr(&ancestor_oid, TWO_ANCESTOR_OID);
+	git_oid_fromstr(&our_oid, TWO_OUR_OID);
+	git_oid_fromstr(&their_oid, TWO_THEIR_OID);
+
+	cl_git_pass(git_index_reuc_add(repo_index, "two.txt",
+		0100644, &ancestor_oid,
+		0100644, &our_oid,
+		0100644, &their_oid));
+
+	git_oid_fromstr(&ancestor_oid, ONE_ANCESTOR_OID);
+	git_oid_fromstr(&our_oid, ONE_OUR_OID);
+	git_oid_fromstr(&their_oid, ONE_THEIR_OID);
+
+	cl_git_pass(git_index_reuc_add(repo_index, "one.txt",
+		0100644, &ancestor_oid,
+		0100644, &our_oid,
+		0100644, &their_oid));
+
+	cl_git_pass(git_index_write(repo_index));
+	cl_assert_equal_i(2, git_index_reuc_entrycount(repo_index));
+
+	/* ensure sort order was round-tripped correct */
+	cl_assert(reuc = git_index_reuc_get_byindex(repo_index, 0));
+	cl_assert_equal_s("one.txt", reuc->path);
+
+	cl_assert(reuc = git_index_reuc_get_byindex(repo_index, 1));
+	cl_assert_equal_s("two.txt", reuc->path);
+}
+
+static int reuc_entry_exists(void)
+{
+	return (git_index_reuc_get_bypath(repo_index, "newfile.txt") != NULL);
+}
+
+void test_index_reuc__cleaned_on_reset_hard(void)
+{
+	git_object *target;
+
+	cl_git_pass(git_revparse_single(&target, repo, "3a34580"));
+
+	test_index_reuc__add();
+	cl_git_pass(git_reset(repo, target, GIT_RESET_HARD, NULL));
+	cl_assert(reuc_entry_exists() == false);
+
+	git_object_free(target);
+}
+
+void test_index_reuc__cleaned_on_reset_mixed(void)
+{
+	git_object *target;
+
+	cl_git_pass(git_revparse_single(&target, repo, "3a34580"));
+
+	test_index_reuc__add();
+	cl_git_pass(git_reset(repo, target, GIT_RESET_MIXED, NULL));
+	cl_assert(reuc_entry_exists() == false);
+
+	git_object_free(target);
+}
+
+void test_index_reuc__retained_on_reset_soft(void)
+{
+	git_object *target;
+
+	cl_git_pass(git_revparse_single(&target, repo, "3a34580"));
+
+	cl_git_pass(git_reset(repo, target, GIT_RESET_HARD, NULL));
+
+	test_index_reuc__add();
+	cl_git_pass(git_reset(repo, target, GIT_RESET_SOFT, NULL));
+	cl_assert(reuc_entry_exists() == true);
+
+	git_object_free(target);
+}
+
+void test_index_reuc__cleaned_on_checkout_tree(void)
+{
+	git_oid oid;
+	git_object *obj;
+	git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT;
+
+	opts.checkout_strategy = GIT_CHECKOUT_FORCE;
+
+	test_index_reuc__add();
+	cl_git_pass(git_reference_name_to_id(&oid, repo, "refs/heads/master"));
+	cl_git_pass(git_object_lookup(&obj, repo, &oid, GIT_OBJECT_ANY));
+	cl_git_pass(git_checkout_tree(repo, obj, &opts));
+	cl_assert(reuc_entry_exists() == false);
+
+	git_object_free(obj);
+}
+
+void test_index_reuc__cleaned_on_checkout_head(void)
+{
+	git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT;
+
+	opts.checkout_strategy = GIT_CHECKOUT_FORCE;
+
+	test_index_reuc__add();
+	cl_git_pass(git_checkout_head(repo, &opts));
+	cl_assert(reuc_entry_exists() == false);
+}
+
+void test_index_reuc__retained_on_checkout_index(void)
+{
+	git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT;
+
+	opts.checkout_strategy = GIT_CHECKOUT_FORCE;
+
+	test_index_reuc__add();
+	cl_git_pass(git_checkout_index(repo, repo_index, &opts));
+	cl_assert(reuc_entry_exists() == true);
+}

node_modules/nodegit/vendor/libgit2/tests/index/splitindex.c

@@ -0,0 +1,21 @@
+#include "clar_libgit2.h"
+#include "index.h"
+
+static git_repository *g_repo;
+
+void test_index_splitindex__initialize(void)
+{
+	g_repo = cl_git_sandbox_init("splitindex");
+}
+
+void test_index_splitindex__cleanup(void)
+{
+	cl_git_sandbox_cleanup();
+}
+
+void test_index_splitindex__fail_on_open(void)
+{
+	git_index *idx;
+	cl_git_fail_with(-1, git_repository_index(&idx, g_repo));
+	cl_assert_equal_s(git_error_last()->message, "unsupported mandatory extension: 'link'");
+}

node_modules/nodegit/vendor/libgit2/tests/index/stage.c

@@ -0,0 +1,62 @@
+#include "clar_libgit2.h"
+#include "index.h"
+#include "git2/repository.h"
+
+static git_repository *repo;
+static git_index *repo_index;
+
+#define TEST_REPO_PATH "mergedrepo"
+#define TEST_INDEX_PATH TEST_REPO_PATH "/.git/index"
+
+/* Fixture setup and teardown */
+void test_index_stage__initialize(void)
+{
+	repo = cl_git_sandbox_init("mergedrepo");
+	git_repository_index(&repo_index, repo);
+}
+
+void test_index_stage__cleanup(void)
+{
+	git_index_free(repo_index);
+	repo_index = NULL;
+
+	cl_git_sandbox_cleanup();
+}
+
+
+void test_index_stage__add_always_adds_stage_0(void)
+{
+	size_t entry_idx;
+	const git_index_entry *entry;
+
+    cl_git_mkfile("./mergedrepo/new-file.txt", "new-file\n");
+
+	cl_git_pass(git_index_add_bypath(repo_index, "new-file.txt"));
+
+	cl_assert(!git_index_find(&entry_idx, repo_index, "new-file.txt"));
+	cl_assert((entry = git_index_get_byindex(repo_index, entry_idx)) != NULL);
+	cl_assert(git_index_entry_stage(entry) == 0);
+}
+
+void test_index_stage__find_gets_first_stage(void)
+{
+	size_t entry_idx;
+	const git_index_entry *entry;
+
+	cl_assert(!git_index_find(&entry_idx, repo_index, "one.txt"));
+	cl_assert((entry = git_index_get_byindex(repo_index, entry_idx)) != NULL);
+	cl_assert(git_index_entry_stage(entry) == 0);
+
+	cl_assert(!git_index_find(&entry_idx, repo_index, "two.txt"));
+	cl_assert((entry = git_index_get_byindex(repo_index, entry_idx)) != NULL);
+	cl_assert(git_index_entry_stage(entry) == 0);
+
+	cl_assert(!git_index_find(&entry_idx, repo_index, "conflicts-one.txt"));
+	cl_assert((entry = git_index_get_byindex(repo_index, entry_idx)) != NULL);
+	cl_assert(git_index_entry_stage(entry) == 1);
+
+	cl_assert(!git_index_find(&entry_idx, repo_index, "conflicts-two.txt"));
+	cl_assert((entry = git_index_get_byindex(repo_index, entry_idx)) != NULL);
+	cl_assert(git_index_entry_stage(entry) == 1);
+}
+

node_modules/nodegit/vendor/libgit2/tests/index/version.c

@@ -0,0 +1,137 @@
+#include "clar_libgit2.h"
+#include "index.h"
+
+static git_repository *g_repo = NULL;
+
+void test_index_version__cleanup(void)
+{
+        cl_git_sandbox_cleanup();
+        g_repo = NULL;
+}
+
+void test_index_version__can_read_v4(void)
+{
+	const char *paths[] = {
+	    "file.tx", "file.txt", "file.txz", "foo", "zzz",
+	};
+	git_index *index;
+	size_t i;
+
+	g_repo = cl_git_sandbox_init("indexv4");
+
+	cl_git_pass(git_repository_index(&index, g_repo));
+	cl_assert_equal_sz(git_index_entrycount(index), 5);
+
+	for (i = 0; i < ARRAY_SIZE(paths); i++) {
+		const git_index_entry *entry =
+		    git_index_get_bypath(index, paths[i], GIT_INDEX_STAGE_NORMAL);
+
+		cl_assert(entry != NULL);
+	}
+
+	git_index_free(index);
+}
+
+void test_index_version__can_write_v4(void)
+{
+	const char *paths[] = {
+	    "foo",
+	    "foox",
+	    "foobar",
+	    "foobal",
+	    "x",
+	    "xz",
+	    "xyzzyx"
+	};
+	git_index_entry entry;
+	git_index *index;
+	size_t i;
+
+	g_repo = cl_git_sandbox_init("empty_standard_repo");
+	cl_git_pass(git_repository_index(&index, g_repo));
+	cl_git_pass(git_index_set_version(index, 4));
+
+	for (i = 0; i < ARRAY_SIZE(paths); i++) {
+		memset(&entry, 0, sizeof(entry));
+		entry.path = paths[i];
+		entry.mode = GIT_FILEMODE_BLOB;
+		cl_git_pass(git_index_add_from_buffer(index, &entry, paths[i],
+						     strlen(paths[i]) + 1));
+	}
+	cl_assert_equal_sz(git_index_entrycount(index), ARRAY_SIZE(paths));
+
+	cl_git_pass(git_index_write(index));
+	git_index_free(index);
+
+	cl_git_pass(git_repository_index(&index, g_repo));
+	cl_assert(git_index_version(index) == 4);
+
+	for (i = 0; i < ARRAY_SIZE(paths); i++) {
+		const git_index_entry *e;
+
+		cl_assert(e = git_index_get_bypath(index, paths[i], 0));
+		cl_assert_equal_s(paths[i], e->path);
+	}
+
+	git_index_free(index);
+}
+
+void test_index_version__v4_uses_path_compression(void)
+{
+	git_index_entry entry;
+	git_index *index;
+	char path[250], buf[1];
+	struct stat st;
+	char i, j;
+
+	memset(path, 'a', sizeof(path));
+	memset(buf, 'a', sizeof(buf));
+
+	memset(&entry, 0, sizeof(entry));
+	entry.path = path;
+	entry.mode = GIT_FILEMODE_BLOB;
+
+	g_repo = cl_git_sandbox_init("indexv4");
+	cl_git_pass(git_repository_index(&index, g_repo));
+
+	/* write 676 paths of 250 bytes length */
+	for (i = 'a'; i <= 'z'; i++) {
+		for (j = 'a'; j < 'z'; j++) {
+			path[ARRAY_SIZE(path) - 3] = i;
+			path[ARRAY_SIZE(path) - 2] = j;
+			path[ARRAY_SIZE(path) - 1] = '\0';
+			cl_git_pass(git_index_add_from_buffer(index, &entry, buf, sizeof(buf)));
+		}
+	}
+
+	cl_git_pass(git_index_write(index));
+	cl_git_pass(p_stat(git_index_path(index), &st));
+
+	/*
+	 * Without path compression, the written paths would at
+	 * least take
+	 *
+	 *    (entries * pathlen) = len
+	 *    (676 * 250) = 169000
+	 *
+	 *  bytes. As index v4 uses suffix-compression and our
+	 *  written paths only differ in the last two entries,
+	 *  this number will be much smaller, e.g.
+	 *
+	 *    (1 * pathlen) + (675 * 2) = len
+	 *    676 + 1350 = 2026
+	 *
+	 *    bytes.
+	 *
+	 *    Note that the above calculations do not include
+	 *    additional metadata of the index, e.g. OIDs or
+	 *    index extensions. Including those we get an index
+	 *    of approx. 200kB without compression and 40kB with
+	 *    compression. As this is a lot smaller than without
+	 *    compression, we can verify that path compression is
+	 *    used.
+	 */
+	cl_assert_(st.st_size < 75000, "path compression not enabled");
+
+	git_index_free(index);
+}