void test_diff_workdir__submodules(void)
{
	const char *a_commit = "873585b94bdeabccea991ea5e3ec1a277895b698";
	git_tree *a;
	git_diff_options opts = {0};
	git_diff_list *diff = NULL;
	diff_expects exp;

	g_repo = cl_git_sandbox_init("submod2");

	cl_fixture_sandbox("submod2_target");
	p_rename("submod2_target/.gitted", "submod2_target/.git");

	rewrite_gitmodules(git_repository_workdir(g_repo));
	p_rename("submod2/not_submodule/.gitted", "submod2/not_submodule/.git");

	cl_fixture_cleanup("submod2_target");

	a = resolve_commit_oid_to_tree(g_repo, a_commit);

	opts.flags =
		GIT_DIFF_INCLUDE_UNTRACKED |
		GIT_DIFF_RECURSE_UNTRACKED_DIRS |
		GIT_DIFF_INCLUDE_UNTRACKED_CONTENT;

	cl_git_pass(git_diff_workdir_to_tree(g_repo, &opts, a, &diff));

	/* diff_print(stderr, diff); */

	/* essentially doing: git diff 873585b94bdeabccea991ea5e3ec1a277895b698 */

	memset(&exp, 0, sizeof(exp));
	cl_git_pass(git_diff_foreach(
		diff, &exp, diff_file_fn, diff_hunk_fn, diff_line_fn));

	/* the following differs from "git diff 873585" by one "untracked" file
	 * because the diff list includes the "not_submodule/" directory which
	 * is not displayed in the text diff.
	 */

	cl_assert_equal_i(10, exp.files);

	cl_assert_equal_i(0, exp.file_adds);
	cl_assert_equal_i(0, exp.file_dels);
	cl_assert_equal_i(1, exp.file_mods);
	cl_assert_equal_i(0, exp.file_ignored);
	cl_assert_equal_i(9, exp.file_untracked);

	/* the following numbers match "git diff 873585" exactly */

	cl_assert_equal_i(9, exp.hunks);

	cl_assert_equal_i(33, exp.lines);
	cl_assert_equal_i(2, exp.line_ctxt);
	cl_assert_equal_i(30, exp.line_adds);
	cl_assert_equal_i(1, exp.line_dels);

	git_diff_list_free(diff);
	git_tree_free(a);
}

void test_status_worktree__swap_subdir_with_recurse_and_pathspec(void)
{
	status_entry_counts counts;
	git_repository *repo = cl_git_sandbox_init("status");
	git_status_options opts = GIT_STATUS_OPTIONS_INIT;

	/* first alter the contents of the worktree */
	cl_git_pass(p_rename("status/current_file", "status/swap"));
	cl_git_pass(p_rename("status/subdir", "status/current_file"));
	cl_git_pass(p_rename("status/swap", "status/subdir"));
	cl_git_mkfile("status/.new_file", "dummy");
	cl_git_pass(git_futils_mkdir_r("status/zzz_new_dir", NULL, 0777));
	cl_git_mkfile("status/zzz_new_dir/new_file", "dummy");
	cl_git_mkfile("status/zzz_new_file", "dummy");

	/* now get status */
	memset(&counts, 0x0, sizeof(status_entry_counts));
	counts.expected_entry_count = entry_count4;
	counts.expected_paths = entry_paths4;
	counts.expected_statuses = entry_statuses4;

	opts.flags = GIT_STATUS_OPT_INCLUDE_UNTRACKED |
		GIT_STATUS_OPT_RECURSE_UNTRACKED_DIRS;
	/* TODO: set pathspec to "current_file" eventually */

	cl_git_pass(
		git_status_foreach_ext(repo, &opts, cb_status__normal, &counts)
	);

	cl_assert_equal_i(counts.expected_entry_count, counts.entry_count);
	cl_assert_equal_i(0, counts.wrong_status_flags_count);
	cl_assert_equal_i(0, counts.wrong_sorted_path);
}

/* this test is similar to t18-status.c:statuscb3 */
void test_status_worktree__swap_subdir_and_file(void)
{
	status_entry_counts counts;
	git_repository *repo = cl_git_sandbox_init("status");
	git_status_options opts;

	/* first alter the contents of the worktree */
	cl_git_pass(p_rename("status/current_file", "status/swap"));
	cl_git_pass(p_rename("status/subdir", "status/current_file"));
	cl_git_pass(p_rename("status/swap", "status/subdir"));

	cl_git_mkfile("status/.HEADER", "dummy");
	cl_git_mkfile("status/42-is-not-prime.sigh", "dummy");
	cl_git_mkfile("status/README.md", "dummy");

	/* now get status */
	memset(&counts, 0x0, sizeof(status_entry_counts));
	counts.expected_entry_count = entry_count3;
	counts.expected_paths = entry_paths3;
	counts.expected_statuses = entry_statuses3;

	memset(&opts, 0, sizeof(opts));
	opts.flags = GIT_STATUS_OPT_INCLUDE_UNTRACKED |
		GIT_STATUS_OPT_INCLUDE_IGNORED;

	cl_git_pass(
		git_status_foreach_ext(repo, &opts, cb_status__normal, &counts)
	);

	cl_assert_equal_i(counts.expected_entry_count, counts.entry_count);
	cl_assert_equal_i(0, counts.wrong_status_flags_count);
	cl_assert_equal_i(0, counts.wrong_sorted_path);
}

void test_submodule_modify__initialize(void)
{
	g_repo = cl_git_sandbox_init("submod2");

	cl_fixture_sandbox("submod2_target");
	p_rename("submod2_target/.gitted", "submod2_target/.git");

	/* must create submod2_target before rewrite so prettify will work */
	rewrite_gitmodules(git_repository_workdir(g_repo));
	p_rename("submod2/not_submodule/.gitted", "submod2/not_submodule/.git");
}

static void setup_submodules2(void)
{
	g_repo = cl_git_sandbox_init("submod2");

	cl_fixture_sandbox("submod2_target");
	p_rename("submod2_target/.gitted", "submod2_target/.git");

	rewrite_gitmodules(git_repository_workdir(g_repo));
	p_rename("submod2/not-submodule/.gitted", "submod2/not-submodule/.git");
	p_rename("submod2/not/.gitted", "submod2/not/.git");
}

/* A tree that contains an entry "git~2", when we have forced the short
 * name for ".git" into "GIT~2".
 */
void test_checkout_nasty__git_custom_shortname(void)
{
#ifdef GIT_WIN32
	if (!cl_sandbox_supports_8dot3())
		clar__skip();

	cl_must_pass(p_rename("nasty/.git", "nasty/_temp"));
	cl_git_write2file("nasty/git~1", "", 0, O_RDWR|O_CREAT, 0666);
	cl_must_pass(p_rename("nasty/_temp", "nasty/.git"));
	test_checkout_fails("refs/heads/git_tilde2", ".git/foobar");
#endif
}

void test_attr_repo__initialize(void)
{
	/* Before each test, instantiate the attr repo from the fixtures and
	 * rename the .gitted to .git so it is a repo with a working dir.
	 * Also rename gitattributes to .gitattributes, because it contains
	 * macro definitions which are only allowed in the root.
	 */
	cl_fixture_sandbox("attr");
	cl_git_pass(p_rename("attr/.gitted", "attr/.git"));
	cl_git_pass(p_rename("attr/gitattributes", "attr/.gitattributes"));
	cl_git_pass(git_repository_open(&g_repo, "attr/.git"));
}

void test_checkout_typechange__initialize(void)
{
	g_repo = cl_git_sandbox_init("typechanges");

	cl_fixture_sandbox("submod2_target");
	p_rename("submod2_target/.gitted", "submod2_target/.git");
}

static void setup_submodules(void)
{
	g_repo = cl_git_sandbox_init("submodules");
	cl_fixture_sandbox("testrepo.git");
	rewrite_gitmodules(git_repository_workdir(g_repo));
	p_rename("submodules/testrepo/.gitted", "submodules/testrepo/.git");
}

void test_rebase_abort__old_style_head_file(void)
{
	git_rebase *rebase;
	git_reference *branch_ref, *onto_ref;
	git_signature *signature;
	git_annotated_commit *branch_head, *onto_head;

	cl_git_pass(git_reference_lookup(&branch_ref, repo, "refs/heads/beef"));
	cl_git_pass(git_reference_lookup(&onto_ref, repo, "refs/heads/master"));

	cl_git_pass(git_annotated_commit_from_ref(&branch_head, repo, branch_ref));
	cl_git_pass(git_annotated_commit_from_ref(&onto_head, repo, onto_ref));

	cl_git_pass(git_signature_new(&signature, "Rebaser", "[email protected]", 1404157834, -400));

	cl_git_pass(git_rebase_init(&rebase, repo, branch_head, NULL, onto_head, signature, NULL));
	cl_assert_equal_i(GIT_REPOSITORY_STATE_REBASE_MERGE, git_repository_state(repo));

	p_rename("rebase-merge/.git/rebase-merge/orig-head",
		"rebase-merge/.git/rebase-merge/head");

	test_abort(branch_head, onto_head);

	git_signature_free(signature);

	git_annotated_commit_free(branch_head);
	git_annotated_commit_free(onto_head);

	git_reference_free(branch_ref);
	git_reference_free(onto_ref);
	git_rebase_free(rebase);
}

void test_repo_init__external_templates_with_leading_dot(void)
{
	git_buf template_path = GIT_BUF_INIT;

	git_repository_init_options opts = GIT_REPOSITORY_INIT_OPTIONS_INIT;

	cl_set_cleanup(&cleanup_repository, "templated.git");
	template_sandbox("template");

	cl_must_pass(p_rename("template", ".template_with_leading_dot"));

	cl_git_pass(git_buf_joinpath(&template_path, clar_sandbox_path(),
		".template_with_leading_dot"));

	configure_templatedir(template_path.ptr);

	opts.flags = GIT_REPOSITORY_INIT_MKPATH | GIT_REPOSITORY_INIT_BARE |
		GIT_REPOSITORY_INIT_EXTERNAL_TEMPLATE;

	cl_git_pass(git_repository_init_ext(&_repo, "templated.git", &opts));

	validate_templates(_repo, ".template_with_leading_dot");
	cl_fixture_cleanup(".template_with_leading_dot");

	git_buf_free(&template_path);
}

git_repository *setup_fixture_submod2(void)
{
	git_repository *repo = cl_git_sandbox_init("submod2");

	cl_fixture_sandbox("submod2_target");
	p_rename("submod2_target/.gitted", "submod2_target/.git");

	rewrite_gitmodules(git_repository_workdir(repo));
	p_rename("submod2/not-submodule/.gitted", "submod2/not-submodule/.git");
	p_rename("submod2/not/.gitted", "submod2/not/.git");

	cl_set_cleanup(cleanup_fixture_submodules, "submod2_target");

	cl_git_pass(git_repository_reinit_filesystem(repo, 1));

	return repo;
}

void test_refs_listall__from_repository_opened_through_workdir_path(void)
{
	cl_fixture_sandbox("status");
	cl_git_pass(p_rename("status/.gitted", "status/.git"));

	ensure_no_refname_starts_with_a_forward_slash("status");

	cl_fixture_cleanup("status");
}

int git_futils_mv_withpath(const char *from, const char *to, const mode_t dirmode)
{
	if (git_futils_mkpath2file(to, dirmode) < 0)
		return -1;

	if (p_rename(from, to) < 0) {
		giterr_set(GITERR_OS, "Failed to rename '%s' to '%s'", from, to);
		return -1;
	}

	return 0;
}

/* A tree that contains an entry "git~3", which should be allowed, since
 * it is not the typical short name ("GIT~1") or the actual short name
 * ("GIT~2") for ".git".
 */
void test_checkout_nasty__only_looks_like_a_git_shortname(void)
{
#ifdef GIT_WIN32
	git_oid commit_id;
	git_commit *commit;
	git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT;

	cl_must_pass(p_rename("nasty/.git", "nasty/_temp"));
	cl_git_write2file("nasty/git~1", "", 0, O_RDWR|O_CREAT, 0666);
	cl_must_pass(p_rename("nasty/_temp", "nasty/.git"));

	cl_git_pass(git_reference_name_to_id(&commit_id, repo, "refs/heads/git_tilde3"));
	cl_git_pass(git_commit_lookup(&commit, repo, &commit_id));

	opts.checkout_strategy = GIT_CHECKOUT_FORCE;

	cl_git_pass(git_checkout_tree(repo, (const git_object *)commit, &opts));
	cl_assert(git_path_exists("nasty/git~3/foobar"));

	git_commit_free(commit);
#endif
}

/* Ensures that custom shortnames are included: creates a GIT~1 so that the
 * .git folder itself will have to be named GIT~2
 */
void test_repo_reservedname__custom_shortname_recognized(void)
{
#ifdef GIT_WIN32
	git_repository *repo;
	git_buf *reserved;
	size_t reserved_len;

	if (!cl_sandbox_supports_8dot3())
		clar__skip();

	repo = cl_git_sandbox_init("nasty");

	cl_must_pass(p_rename("nasty/.git", "nasty/_temp"));
	cl_git_write2file("nasty/git~1", "", 0, O_RDWR|O_CREAT, 0666);
	cl_must_pass(p_rename("nasty/_temp", "nasty/.git"));

	cl_assert(git_repository__reserved_names(&reserved, &reserved_len, repo, true));

	cl_assert_equal_i(3, reserved_len);
	cl_assert_equal_s(".git", reserved[0].ptr);
	cl_assert_equal_s("GIT~1", reserved[1].ptr);
	cl_assert_equal_s("GIT~2", reserved[2].ptr);
#endif
}

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");
}

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_free(&path);
	git_buf_free(&content);
}

void test_network_remotelocal__retrieve_advertised_references_from_spaced_repository(void)
{
	int how_many_refs = 0;

	cl_fixture_sandbox("testrepo.git");
	cl_git_pass(p_rename("testrepo.git", "spaced testrepo.git"));

	connect_to_local_repository("spaced testrepo.git");

	cl_git_pass(git_remote_ls(remote, &count_ref__cb, &how_many_refs));

	cl_assert(how_many_refs == 14); /* 1 HEAD + 6 heads + 1 lightweight tag + 3 annotated tags + 3 peeled target */

	git_remote_free(remote);	/* Disconnect from the "spaced repo" before the cleanup */
	remote = NULL;

	cl_fixture_cleanup("spaced testrepo.git");
}

void test_network_remotelocal__retrieve_advertised_references_from_spaced_repository(void)
{
	int how_many_refs = 0;

	cl_fixture_sandbox("testrepo.git");
	cl_git_pass(p_rename("testrepo.git", "spaced testrepo.git"));

	connect_to_local_repository("spaced testrepo.git");

	cl_git_pass(git_remote_ls(remote, &count_ref__cb, &how_many_refs));

	cl_assert_equal_i(how_many_refs, 26);

	git_remote_free(remote);	/* Disconnect from the "spaced repo" before the cleanup */
	remote = NULL;

	cl_fixture_cleanup("spaced testrepo.git");
}