xs/libgit2/tests/status/ignore.c

#include "clar_libgit2.h"
#include "fileops.h"
#include "git2/attr.h"
#include "ignore.h"
#include "attr.h"
#include "status_helpers.h"

static git_repository *g_repo = NULL;

void test_status_ignore__initialize(void)
{
}

void test_status_ignore__cleanup(void)
{
	cl_git_sandbox_cleanup();
}

void test_status_ignore__0(void)
{
	struct {
		const char *path;
		int expected;
	} test_cases[] = {
		/* pattern "ign" from .gitignore */
		{ "file", 0 },
		{ "ign", 1 },
		{ "sub", 0 },
		{ "sub/file", 0 },
		{ "sub/ign", 1 },
		{ "sub/ign/file", 1 },
		{ "sub/ign/sub", 1 },
		{ "sub/ign/sub/file", 1 },
		{ "sub/sub", 0 },
		{ "sub/sub/file", 0 },
		{ "sub/sub/ign", 1 },
		{ "sub/sub/sub", 0 },
		/* pattern "dir/" from .gitignore */
		{ "dir", 1 },
		{ "dir/", 1 },
		{ "sub/dir", 1 },
		{ "sub/dir/", 1 },
		{ "sub/dir/file", 1 }, /* contained in ignored parent */
		{ "sub/sub/dir", 0 }, /* dir is not actually a dir, but a file */
		{ NULL, 0 }
	}, *one_test;

	g_repo = cl_git_sandbox_init("attr");

	for (one_test = test_cases; one_test->path != NULL; one_test++) {
		int ignored;
		cl_git_pass(git_status_should_ignore(&ignored, g_repo, one_test->path));
		cl_assert_(ignored == one_test->expected, one_test->path);
	}

	/* confirm that ignore files were cached */
	cl_assert(git_attr_cache__is_cached(g_repo, 0, ".git/info/exclude"));
	cl_assert(git_attr_cache__is_cached(g_repo, 0, ".gitignore"));
}


void test_status_ignore__1(void)
{
	int ignored;

	g_repo = cl_git_sandbox_init("attr");

	cl_git_rewritefile("attr/.gitignore", "/*.txt\n/dir/\n");
	git_attr_cache_flush(g_repo);

	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "root_test4.txt"));
	cl_assert(ignored);

	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "sub/subdir_test2.txt"));
	cl_assert(!ignored);

	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "dir"));
	cl_assert(ignored);

	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "dir/"));
	cl_assert(ignored);

	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "sub/dir"));
	cl_assert(!ignored);

	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "sub/dir/"));
	cl_assert(!ignored);
}


void test_status_ignore__empty_repo_with_gitignore_rewrite(void)
{
	status_entry_single st;
	int ignored;

	g_repo = cl_git_sandbox_init("empty_standard_repo");

	cl_git_mkfile(
		"empty_standard_repo/look-ma.txt", "I'm going to be ignored!");

	memset(&st, 0, sizeof(st));
	cl_git_pass(git_status_foreach(g_repo, cb_status__single, &st));
	cl_assert(st.count == 1);
	cl_assert(st.status == GIT_STATUS_WT_NEW);

	cl_git_pass(git_status_file(&st.status, g_repo, "look-ma.txt"));
	cl_assert(st.status == GIT_STATUS_WT_NEW);

	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "look-ma.txt"));
	cl_assert(!ignored);

	cl_git_rewritefile("empty_standard_repo/.gitignore", "*.nomatch\n");

	memset(&st, 0, sizeof(st));
	cl_git_pass(git_status_foreach(g_repo, cb_status__single, &st));
	cl_assert(st.count == 2);
	cl_assert(st.status == GIT_STATUS_WT_NEW);

	cl_git_pass(git_status_file(&st.status, g_repo, "look-ma.txt"));
	cl_assert(st.status == GIT_STATUS_WT_NEW);

	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "look-ma.txt"));
	cl_assert(!ignored);

	cl_git_rewritefile("empty_standard_repo/.gitignore", "*.txt\n");

	memset(&st, 0, sizeof(st));
	cl_git_pass(git_status_foreach(g_repo, cb_status__single, &st));
	cl_assert(st.count == 2);
	cl_assert(st.status == GIT_STATUS_IGNORED);

	cl_git_pass(git_status_file(&st.status, g_repo, "look-ma.txt"));
	cl_assert(st.status == GIT_STATUS_IGNORED);

	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "look-ma.txt"));
	cl_assert(ignored);
}

void test_status_ignore__ignore_pattern_contains_space(void)
{
	unsigned int flags;
	const mode_t mode = 0777;

	g_repo = cl_git_sandbox_init("empty_standard_repo");
	cl_git_rewritefile("empty_standard_repo/.gitignore", "foo bar.txt\n");

	cl_git_mkfile(
		"empty_standard_repo/foo bar.txt", "I'm going to be ignored!");

	cl_git_pass(git_status_file(&flags, g_repo, "foo bar.txt"));
	cl_assert(flags == GIT_STATUS_IGNORED);

	cl_git_pass(git_futils_mkdir_r("empty_standard_repo/foo", NULL, mode));
	cl_git_mkfile("empty_standard_repo/foo/look-ma.txt", "I'm not going to be ignored!");

	cl_git_pass(git_status_file(&flags, g_repo, "foo/look-ma.txt"));
	cl_assert(flags == GIT_STATUS_WT_NEW);
}

void test_status_ignore__ignore_pattern_ignorecase(void)
{
	unsigned int flags;
	bool ignore_case;
	git_index *index;

	g_repo = cl_git_sandbox_init("empty_standard_repo");
	cl_git_rewritefile("empty_standard_repo/.gitignore", "a.txt\n");

	cl_git_mkfile("empty_standard_repo/A.txt", "Differs in case");

	cl_git_pass(git_repository_index(&index, g_repo));
	ignore_case = (git_index_caps(index) & GIT_INDEXCAP_IGNORE_CASE) != 0;
	git_index_free(index);

	cl_git_pass(git_status_file(&flags, g_repo, "A.txt"));
	cl_assert(flags == ignore_case ? GIT_STATUS_IGNORED : GIT_STATUS_WT_NEW);
}

void test_status_ignore__subdirectories(void)
{
	status_entry_single st;
	int ignored;

	g_repo = cl_git_sandbox_init("empty_standard_repo");

	cl_git_mkfile(
		"empty_standard_repo/ignore_me", "I'm going to be ignored!");

	cl_git_rewritefile("empty_standard_repo/.gitignore", "ignore_me\n");

	memset(&st, 0, sizeof(st));
	cl_git_pass(git_status_foreach(g_repo, cb_status__single, &st));
	cl_assert_equal_i(2, st.count);
	cl_assert(st.status == GIT_STATUS_IGNORED);

	cl_git_pass(git_status_file(&st.status, g_repo, "ignore_me"));
	cl_assert(st.status == GIT_STATUS_IGNORED);

	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "ignore_me"));
	cl_assert(ignored);

	/* I've changed libgit2 so that the behavior here now differs from
	 * core git but seems to make more sense.  In core git, the following
	 * items are skipped completed, even if --ignored is passed to status.
	 * It you mirror these steps and run "git status -uall --ignored" then
	 * you will not see "test/ignore_me/" in the results.
	 *
	 * However, we had a couple reports of this as a bug, plus there is a
	 * similar circumstance where we were differing for core git when you
	 * used a rooted path for an ignore, so I changed this behavior.
	 */
	cl_git_pass(git_futils_mkdir_r(
		"empty_standard_repo/test/ignore_me", NULL, 0775));
	cl_git_mkfile(
		"empty_standard_repo/test/ignore_me/file", "I'm going to be ignored!");
	cl_git_mkfile(
		"empty_standard_repo/test/ignore_me/file2", "Me, too!");

	memset(&st, 0, sizeof(st));
	cl_git_pass(git_status_foreach(g_repo, cb_status__single, &st));
	cl_assert_equal_i(3, st.count);

	cl_git_pass(git_status_file(&st.status, g_repo, "test/ignore_me/file"));
	cl_assert(st.status == GIT_STATUS_IGNORED);

	cl_git_pass(
		git_status_should_ignore(&ignored, g_repo, "test/ignore_me/file"));
	cl_assert(ignored);
}

void test_status_ignore__subdirectories_recursion(void)
{
	/* Let's try again with recursing into ignored dirs turned on */
	git_status_options opts = GIT_STATUS_OPTIONS_INIT;
	status_entry_counts counts;
	static const char *paths_r[] = {
		".gitignore",
		"ignore_also/file",
		"ignore_me",
		"test/ignore_me/and_me/file",
		"test/ignore_me/file",
		"test/ignore_me/file2",
	};
	static const unsigned int statuses_r[] = {
		GIT_STATUS_WT_NEW,
		GIT_STATUS_IGNORED,
		GIT_STATUS_IGNORED,
		GIT_STATUS_IGNORED,
		GIT_STATUS_IGNORED,
		GIT_STATUS_IGNORED,
	};
	static const char *paths_nr[] = {
		".gitignore",
		"ignore_also/",
		"ignore_me",
		"test/ignore_me/",
	};
	static const unsigned int statuses_nr[] = {
		GIT_STATUS_WT_NEW,
		GIT_STATUS_IGNORED,
		GIT_STATUS_IGNORED,
		GIT_STATUS_IGNORED,
	};

	g_repo = cl_git_sandbox_init("empty_standard_repo");

	cl_git_rewritefile("empty_standard_repo/.gitignore", "ignore_me\n/ignore_also\n");

	cl_git_mkfile(
		"empty_standard_repo/ignore_me", "I'm going to be ignored!");
	cl_git_pass(git_futils_mkdir_r(
		"empty_standard_repo/test/ignore_me", NULL, 0775));
	cl_git_mkfile(
		"empty_standard_repo/test/ignore_me/file", "I'm going to be ignored!");
	cl_git_mkfile(
		"empty_standard_repo/test/ignore_me/file2", "Me, too!");
	cl_git_pass(git_futils_mkdir_r(
		"empty_standard_repo/test/ignore_me/and_me", NULL, 0775));
	cl_git_mkfile(
		"empty_standard_repo/test/ignore_me/and_me/file", "Deeply ignored");
	cl_git_pass(git_futils_mkdir_r(
		"empty_standard_repo/ignore_also", NULL, 0775));
	cl_git_mkfile(
		"empty_standard_repo/ignore_also/file", "I'm going to be ignored!");

	memset(&counts, 0x0, sizeof(status_entry_counts));
	counts.expected_entry_count = 6;
	counts.expected_paths = paths_r;
	counts.expected_statuses = statuses_r;

	opts.flags = GIT_STATUS_OPT_DEFAULTS | GIT_STATUS_OPT_RECURSE_IGNORED_DIRS;

	cl_git_pass(git_status_foreach_ext(
		g_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);


	memset(&counts, 0x0, sizeof(status_entry_counts));
	counts.expected_entry_count = 4;
	counts.expected_paths = paths_nr;
	counts.expected_statuses = statuses_nr;

	opts.flags = GIT_STATUS_OPT_DEFAULTS;

	cl_git_pass(git_status_foreach_ext(
		g_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_status_ignore__adding_internal_ignores(void)
{
	int ignored;

	g_repo = cl_git_sandbox_init("empty_standard_repo");

	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "one.txt"));
	cl_assert(!ignored);
	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "two.bar"));
	cl_assert(!ignored);

	cl_git_pass(git_ignore_add_rule(g_repo, "*.nomatch\n"));

	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "one.txt"));
	cl_assert(!ignored);
	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "two.bar"));
	cl_assert(!ignored);

	cl_git_pass(git_ignore_add_rule(g_repo, "*.txt\n"));

	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "one.txt"));
	cl_assert(ignored);
	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "two.bar"));
	cl_assert(!ignored);

	cl_git_pass(git_ignore_add_rule(g_repo, "*.bar\n"));

	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "one.txt"));
	cl_assert(ignored);
	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "two.bar"));
	cl_assert(ignored);

	cl_git_pass(git_ignore_clear_internal_rules(g_repo));

	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "one.txt"));
	cl_assert(!ignored);
	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "two.bar"));
	cl_assert(!ignored);

	cl_git_pass(git_ignore_add_rule(
		g_repo, "multiple\n*.rules\n# comment line\n*.bar\n"));

	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "one.txt"));
	cl_assert(!ignored);
	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "two.bar"));
	cl_assert(ignored);
}

void test_status_ignore__add_internal_as_first_thing(void)
{
	int ignored;
	const char *add_me = "\n#################\n## Eclipse\n#################\n\n*.pydevproject\n.project\n.metadata\nbin/\ntmp/\n*.tmp\n\n";

	g_repo = cl_git_sandbox_init("empty_standard_repo");

	cl_git_pass(git_ignore_add_rule(g_repo, add_me));

	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "one.tmp"));
	cl_assert(ignored);
	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "two.bar"));
	cl_assert(!ignored);
}

void test_status_ignore__internal_ignores_inside_deep_paths(void)
{
	int ignored;
	const char *add_me = "Debug\nthis/is/deep\npatterned*/dir\n";

	g_repo = cl_git_sandbox_init("empty_standard_repo");

	cl_git_pass(git_ignore_add_rule(g_repo, add_me));

	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "Debug"));
	cl_assert(ignored);
	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "and/Debug"));
	cl_assert(ignored);
	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "really/Debug/this/file"));
	cl_assert(ignored);
	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "Debug/what/I/say"));
	cl_assert(ignored);

	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "and/NoDebug"));
	cl_assert(!ignored);
	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "NoDebug/this"));
	cl_assert(!ignored);
	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "please/NoDebug/this"));
	cl_assert(!ignored);

	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "this/is/deep"));
	cl_assert(ignored);
	/* pattern containing slash gets FNM_PATHNAME so all slashes must match */
	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "and/this/is/deep"));
	cl_assert(!ignored);
	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "this/is/deep/too"));
	cl_assert(ignored);
	/* pattern containing slash gets FNM_PATHNAME so all slashes must match */
	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "but/this/is/deep/and/ignored"));
	cl_assert(!ignored);

	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "this/is/not/deep"));
	cl_assert(!ignored);
	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "is/this/not/as/deep"));
	cl_assert(!ignored);
	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "this/is/deepish"));
	cl_assert(!ignored);
	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "xthis/is/deep"));
	cl_assert(!ignored);
}

void test_status_ignore__automatically_ignore_bad_files(void)
{
	int ignored;

	g_repo = cl_git_sandbox_init("empty_standard_repo");

	cl_git_pass(git_status_should_ignore(&ignored, g_repo, ".git"));
	cl_assert(ignored);
	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "this/file/."));
	cl_assert(ignored);
	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "path/../funky"));
	cl_assert(ignored);
	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "path/whatever.c"));
	cl_assert(!ignored);

	cl_git_pass(git_ignore_add_rule(g_repo, "*.c\n"));

	cl_git_pass(git_status_should_ignore(&ignored, g_repo, ".git"));
	cl_assert(ignored);
	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "this/file/."));
	cl_assert(ignored);
	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "path/../funky"));
	cl_assert(ignored);
	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "path/whatever.c"));
	cl_assert(ignored);

	cl_git_pass(git_ignore_clear_internal_rules(g_repo));

	cl_git_pass(git_status_should_ignore(&ignored, g_repo, ".git"));
	cl_assert(ignored);
	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "this/file/."));
	cl_assert(ignored);
	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "path/../funky"));
	cl_assert(ignored);
	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "path/whatever.c"));
	cl_assert(!ignored);
}

void test_status_ignore__filenames_with_special_prefixes_do_not_interfere_with_status_retrieval(void)
{
	status_entry_single st;
	char *test_cases[] = {
		"!file",
		"#blah",
		"[blah]",
		"[attr]",
		"[attr]blah",
		NULL
	};
	int i;

	for (i = 0; *(test_cases + i) != NULL; i++) {
		git_buf file = GIT_BUF_INIT;
		char *file_name = *(test_cases + i);
		git_repository *repo = cl_git_sandbox_init("empty_standard_repo");

		cl_git_pass(git_buf_joinpath(&file, "empty_standard_repo", file_name));
		cl_git_mkfile(git_buf_cstr(&file), "Please don't ignore me!");

		memset(&st, 0, sizeof(st));
		cl_git_pass(git_status_foreach(repo, cb_status__single, &st));
		cl_assert(st.count == 1);
		cl_assert(st.status == GIT_STATUS_WT_NEW);

		cl_git_pass(git_status_file(&st.status, repo, file_name));
		cl_assert(st.status == GIT_STATUS_WT_NEW);

		cl_git_sandbox_cleanup();
		git_buf_free(&file);
	}
}

void test_status_ignore__issue_1766_negated_ignores(void)
{
	int ignored = 0;
	unsigned int status;

	g_repo = cl_git_sandbox_init("empty_standard_repo");

	cl_git_pass(git_futils_mkdir_r(
		"empty_standard_repo/a", NULL, 0775));
	cl_git_mkfile(
		"empty_standard_repo/a/.gitignore", "*\n!.gitignore\n");
	cl_git_mkfile(
		"empty_standard_repo/a/ignoreme", "I should be ignored\n");

	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "a/.gitignore"));
	cl_assert(!ignored);

	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "a/ignoreme"));
	cl_assert(ignored);

	cl_git_pass(git_futils_mkdir_r(
		"empty_standard_repo/b", NULL, 0775));
	cl_git_mkfile(
		"empty_standard_repo/b/.gitignore", "*\n!.gitignore\n");
	cl_git_mkfile(
		"empty_standard_repo/b/ignoreme", "I should be ignored\n");

	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "b/.gitignore"));
	cl_assert(!ignored);

	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "b/ignoreme"));
	cl_assert(ignored);

	/* shouldn't have changed results from first couple either */

	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "a/.gitignore"));
	cl_assert(!ignored);
	cl_git_pass(git_status_should_ignore(&ignored, g_repo, "a/ignoreme"));
	cl_assert(ignored);

	/* status should find the two ignore files and nothing else */

	cl_git_pass(git_status_file(&status, g_repo, "a/.gitignore"));
	cl_assert_equal_i(GIT_STATUS_WT_NEW, (int)status);

	cl_git_pass(git_status_file(&status, g_repo, "a/ignoreme"));
	cl_assert_equal_i(GIT_STATUS_IGNORED, (int)status);

	cl_git_pass(git_status_file(&status, g_repo, "b/.gitignore"));
	cl_assert_equal_i(GIT_STATUS_WT_NEW, (int)status);

	cl_git_pass(git_status_file(&status, g_repo, "b/ignoreme"));
	cl_assert_equal_i(GIT_STATUS_IGNORED, (int)status);

	{
		git_status_options opts = GIT_STATUS_OPTIONS_INIT;
		status_entry_counts counts;
		static const char *paths[] = {
			"a/.gitignore",
			"a/ignoreme",
			"b/.gitignore",
			"b/ignoreme",
		};
		static const unsigned int statuses[] = {
			GIT_STATUS_WT_NEW,
			GIT_STATUS_IGNORED,
			GIT_STATUS_WT_NEW,
			GIT_STATUS_IGNORED,
		};

		memset(&counts, 0x0, sizeof(status_entry_counts));
		counts.expected_entry_count = 4;
		counts.expected_paths = paths;
		counts.expected_statuses = statuses;

		opts.flags = GIT_STATUS_OPT_DEFAULTS;

		cl_git_pass(git_status_foreach_ext(
			g_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);
	}
}
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