static void assert_sm_valid(git_repository *parent, git_repository *child, const char *sm_name)
{
git_buf expected = GIT_BUF_INIT, actual = GIT_BUF_INIT;
/* assert working directory */
cl_git_pass(git_buf_joinpath(&expected, git_repository_workdir(parent), sm_name));
cl_git_pass(git_path_prettify_dir(&expected, expected.ptr, NULL));
cl_git_pass(git_buf_sets(&actual, git_repository_workdir(child)));
cl_git_pass(git_path_prettify_dir(&actual, actual.ptr, NULL));
cl_assert_equal_s(expected.ptr, actual.ptr);
git_buf_clear(&expected);
git_buf_clear(&actual);
/* assert common directory */
cl_git_pass(git_buf_joinpath(&expected, git_repository_commondir(parent), "modules"));
cl_git_pass(git_buf_joinpath(&expected, expected.ptr, sm_name));
cl_git_pass(git_path_prettify_dir(&expected, expected.ptr, NULL));
cl_git_pass(git_buf_sets(&actual, git_repository_commondir(child)));
cl_git_pass(git_path_prettify_dir(&actual, actual.ptr, NULL));
cl_assert_equal_s(expected.ptr, actual.ptr);
/* assert git directory */
cl_git_pass(git_buf_sets(&actual, git_repository_path(child)));
cl_git_pass(git_path_prettify_dir(&actual, actual.ptr, NULL));
cl_assert_equal_s(expected.ptr, actual.ptr);
git_buf_dispose(&expected);
git_buf_dispose(&actual);
}
void test_repo_init__bare_repo_escaping_current_workdir(void)
{
git_buf path_repository = GIT_BUF_INIT;
git_buf path_current_workdir = GIT_BUF_INIT;
cl_git_pass(git_path_prettify_dir(&path_current_workdir, ".", NULL));
cl_git_pass(git_buf_joinpath(&path_repository, git_buf_cstr(&path_current_workdir), "a/b/c"));
cl_git_pass(git_futils_mkdir_r(git_buf_cstr(&path_repository), GIT_DIR_MODE));
/* Change the current working directory */
cl_git_pass(chdir(git_buf_cstr(&path_repository)));
/* Initialize a bare repo with a relative path escaping out of the current working directory */
cl_git_pass(git_repository_init(&_repo, "../d/e.git", 1));
cl_git_pass(git__suffixcmp(git_repository_path(_repo), "/a/b/d/e.git/"));
git_repository_free(_repo);
/* Open a bare repo with a relative path escaping out of the current working directory */
cl_git_pass(git_repository_open(&_repo, "../d/e.git"));
cl_git_pass(chdir(git_buf_cstr(&path_current_workdir)));
git_buf_free(&path_current_workdir);
git_buf_free(&path_repository);
cleanup_repository("a");
}
int git_repository_open_bare(
git_repository **repo_ptr,
const char *bare_path)
{
int error;
git_buf path = GIT_BUF_INIT;
git_repository *repo = NULL;
if ((error = git_path_prettify_dir(&path, bare_path, NULL)) < 0)
return error;
if (!valid_repository_path(&path)) {
git_buf_free(&path);
giterr_set(GITERR_REPOSITORY, "Path is not a repository: %s", bare_path);
return GIT_ENOTFOUND;
}
repo = repository_alloc();
GITERR_CHECK_ALLOC(repo);
repo->path_repository = git_buf_detach(&path);
GITERR_CHECK_ALLOC(repo->path_repository);
/* of course we're bare! */
repo->is_bare = 1;
repo->workdir = NULL;
*repo_ptr = repo;
return 0;
}
/*
* Read the contents of `file_path` and set `path_out` to the repo dir that
* it points to. Before calling, set `path_out` to the base directory that
* should be used if the contents of `file_path` are a relative path.
*/
static int read_gitfile(git_buf *path_out, const char *file_path)
{
int error = 0;
git_buf file = GIT_BUF_INIT;
size_t prefix_len = strlen(GIT_FILE_CONTENT_PREFIX);
assert(path_out && file_path);
if (git_futils_readbuffer(&file, file_path) < 0)
return -1;
git_buf_rtrim(&file);
/* apparently on Windows, some people use backslashes in paths */
git_path_mkposix(file.ptr);
if (git_buf_len(&file) <= prefix_len ||
memcmp(git_buf_cstr(&file), GIT_FILE_CONTENT_PREFIX, prefix_len) != 0)
{
giterr_set(GITERR_REPOSITORY,
"The `.git` file at '%s' is malformed", file_path);
error = -1;
}
else if ((error = git_path_dirname_r(path_out, file_path)) >= 0) {
const char *gitlink = git_buf_cstr(&file) + prefix_len;
while (*gitlink && git__isspace(*gitlink)) gitlink++;
error = git_path_prettify_dir(
path_out, gitlink, git_buf_cstr(path_out));
}
git_buf_free(&file);
return error;
}
static int load_workdir(git_repository *repo, git_config *config, git_buf *parent_path)
{
int error;
const git_config_entry *ce;
git_buf worktree = GIT_BUF_INIT;
if (repo->is_bare)
return 0;
if ((error = git_config__lookup_entry(
&ce, config, "core.worktree", false)) < 0)
return error;
if (ce && ce->value) {
if ((error = git_path_prettify_dir(
&worktree, ce->value, repo->path_repository)) < 0)
return error;
repo->workdir = git_buf_detach(&worktree);
}
else if (parent_path && git_path_isdir(parent_path->ptr))
repo->workdir = git_buf_detach(parent_path);
else {
if (git_path_dirname_r(&worktree, repo->path_repository) < 0 ||
git_path_to_dir(&worktree) < 0)
return -1;
repo->workdir = git_buf_detach(&worktree);
}
GITERR_CHECK_ALLOC(repo->workdir);
return 0;
}
/*
* Read the contents of `file_path` and set `path_out` to the repo dir that
* it points to. Before calling, set `path_out` to the base directory that
* should be used if the contents of `file_path` are a relative path.
*/
static int read_gitfile(git_buf *path_out, const char *file_path)
{
int error = 0;
git_buf file = GIT_BUF_INIT;
size_t prefix_len = strlen(GIT_FILE_CONTENT_PREFIX);
assert(path_out && file_path);
if (git_futils_readbuffer(&file, file_path) < 0)
return -1;
git_buf_rtrim(&file);
if (file.size <= prefix_len ||
memcmp(file.ptr, GIT_FILE_CONTENT_PREFIX, prefix_len) != 0)
{
giterr_set(GITERR_REPOSITORY, "The `.git` file at '%s' is malformed", file_path);
error = -1;
}
else if ((error = git_path_dirname_r(path_out, file_path)) >= 0) {
const char *gitlink = ((const char *)file.ptr) + prefix_len;
while (*gitlink && git__isspace(*gitlink)) gitlink++;
error = git_path_prettify_dir(path_out, gitlink, path_out->ptr);
}
git_buf_free(&file);
return error;
}
static void env_cd_(
const char *path,
void (*passfail_)(const char *, const char *, int),
const char *file, int line)
{
git_buf cwd_buf = GIT_BUF_INIT;
cl_git_pass(git_path_prettify_dir(&cwd_buf, ".", NULL));
cl_must_pass(p_chdir(path));
passfail_(NULL, file, line);
cl_must_pass(p_chdir(git_buf_cstr(&cwd_buf)));
git_buf_free(&cwd_buf);
}
//no check is performed on ceiling_dirs length, so be sure it's long enough
static void append_ceiling_dir(git_buf *ceiling_dirs, const char *path)
{
git_buf pretty_path = GIT_BUF_INIT;
char ceiling_separator[2] = { GIT_PATH_LIST_SEPARATOR, '\0' };
cl_git_pass(git_path_prettify_dir(&pretty_path, path, NULL));
if (ceiling_dirs->size > 0)
git_buf_puts(ceiling_dirs, ceiling_separator);
git_buf_puts(ceiling_dirs, pretty_path.ptr);
git_buf_free(&pretty_path);
cl_assert(git_buf_oom(ceiling_dirs) == 0);
}
void test_object_blob_write__can_create_a_blob_in_a_bare_repo_from_a_absolute_filepath(void)
{
git_buf full_path = GIT_BUF_INIT;
repo = cl_git_sandbox_init(BARE_REPO);
cl_must_pass(p_mkdir(ELSEWHERE, 0777));
cl_must_pass(git_path_prettify_dir(&full_path, ELSEWHERE, NULL));
cl_must_pass(git_buf_puts(&full_path, "test.txt"));
assert_blob_creation(ELSEWHERE "/test.txt", git_buf_cstr(&full_path), &git_blob_create_fromdisk);
git_buf_free(&full_path);
cl_must_pass(git_futils_rmdir_r(ELSEWHERE, GIT_DIRREMOVAL_FILES_AND_DIRS));
}
void test_object_blob_write__can_create_a_blob_in_a_standard_repo_from_a_absolute_filepath_pointing_outside_of_the_working_directory(void)
{
git_buf full_path = GIT_BUF_INIT;
repo = cl_git_sandbox_init(WORKDIR);
cl_must_pass(p_mkdir(ELSEWHERE, 0777));
cl_must_pass(git_path_prettify_dir(&full_path, ELSEWHERE, NULL));
cl_must_pass(git_buf_puts(&full_path, "test.txt"));
assert_blob_creation(ELSEWHERE "/test.txt", git_buf_cstr(&full_path), &git_blob_create_fromdisk);
git_buf_free(&full_path);
cl_must_pass(git_futils_rmdir_r(ELSEWHERE, GIT_DIRREMOVAL_FILES_AND_DIRS));
}
int git_repository_set_workdir(git_repository *repo, const char *workdir)
{
git_buf path = GIT_BUF_INIT;
assert(repo && workdir);
if (git_path_prettify_dir(&path, workdir, NULL) < 0)
return -1;
git__free(repo->workdir);
repo->workdir = git_buf_detach(&path);
repo->is_bare = 0;
return 0;
}
const char* cl_git_path_url(const char *path)
{
static char url[4096];
const char *in_buf;
git_buf path_buf = GIT_BUF_INIT;
git_buf url_buf = GIT_BUF_INIT;
cl_git_pass(git_path_prettify_dir(&path_buf, path, NULL));
cl_git_pass(git_buf_puts(&url_buf, "file://"));
#ifdef GIT_WIN32
/*
* A FILE uri matches the following format: file://[host]/path
* where "host" can be empty and "path" is an absolute path to the resource.
*
* In this test, no hostname is used, but we have to ensure the leading triple slashes:
*
* *nix: file:///usr/home/...
* Windows: file:///C:/Users/...
*/
cl_git_pass(git_buf_putc(&url_buf, '/'));
#endif
in_buf = git_buf_cstr(&path_buf);
/*
* A very hacky Url encoding that only takes care of escaping the spaces
*/
while (*in_buf) {
if (*in_buf == ' ')
cl_git_pass(git_buf_puts(&url_buf, "%20"));
else
cl_git_pass(git_buf_putc(&url_buf, *in_buf));
in_buf++;
}
cl_assert(url_buf.size < 4096);
strncpy(url, git_buf_cstr(&url_buf), 4096);
git_buf_free(&url_buf);
git_buf_free(&path_buf);
return url;
}
static void build_local_file_url(git_buf *out, const char *fixture)
{
const char *in_buf;
git_buf path_buf = GIT_BUF_INIT;
cl_git_pass(git_path_prettify_dir(&path_buf, fixture, NULL));
cl_git_pass(git_buf_puts(out, "file://"));
#ifdef _MSC_VER
/*
* A FILE uri matches the following format: file://[host]/path
* where "host" can be empty and "path" is an absolute path to the resource.
*
* In this test, no hostname is used, but we have to ensure the leading triple slashes:
*
* *nix: file:///usr/home/...
* Windows: file:///C:/Users/...
*/
cl_git_pass(git_buf_putc(out, '/'));
#endif
in_buf = git_buf_cstr(&path_buf);
/*
* A very hacky Url encoding that only takes care of escaping the spaces
*/
while (*in_buf) {
if (*in_buf == ' ')
cl_git_pass(git_buf_puts(out, "%20"));
else
cl_git_pass(git_buf_putc(out, *in_buf));
in_buf++;
}
git_buf_free(&path_buf);
}
static void build_local_file_url(git_buf *out, const char *fixture)
{
git_buf path_buf = GIT_BUF_INIT;
cl_git_pass(git_path_prettify_dir(&path_buf, cl_fixture(fixture), NULL));
cl_git_pass(git_buf_puts(out, "file://"));
#ifdef _MSC_VER
/*
* A FILE uri matches the following format: file://[host]/path
* where "host" can be empty and "path" is an absolute path to the resource.
*
* In this test, no hostname is used, but we have to ensure the leading triple slashes:
*
* *nix: file:///usr/home/...
* Windows: file:///C:/Users/...
*/
cl_git_pass(git_buf_putc(out, '/'));
#endif
cl_git_pass(git_buf_puts(out, git_buf_cstr(&path_buf)));
git_buf_free(&path_buf);
}
void test_repo_env__open(void)
{
git_repository *repo = NULL;
git_buf repo_dir_buf = GIT_BUF_INIT;
const char *repo_dir = NULL;
git_index *index = NULL;
const char *t_obj = "testrepo.git/objects";
const char *p_obj = "peeled.git/objects";
clear_git_env();
cl_fixture_sandbox("attr");
cl_fixture_sandbox("testrepo.git");
cl_fixture_sandbox("peeled.git");
cl_git_pass(p_rename("attr/.gitted", "attr/.git"));
cl_git_pass(git_path_prettify_dir(&repo_dir_buf, "attr", NULL));
repo_dir = git_buf_cstr(&repo_dir_buf);
/* GIT_DIR that doesn't exist */
cl_setenv("GIT_DIR", "does-not-exist");
env_fail(NULL);
/* Explicit start_path overrides GIT_DIR */
env_pass("attr");
env_pass("attr/.git");
env_pass("attr/sub");
env_pass("attr/sub/sub");
/* GIT_DIR with relative paths */
cl_setenv("GIT_DIR", "attr/.git");
env_pass(NULL);
cl_setenv("GIT_DIR", "attr");
env_fail(NULL);
cl_setenv("GIT_DIR", "attr/sub");
env_fail(NULL);
cl_setenv("GIT_DIR", "attr/sub/sub");
env_fail(NULL);
/* GIT_DIR with absolute paths */
cl_setenv_printf("GIT_DIR", "%s/.git", repo_dir);
env_pass(NULL);
cl_setenv("GIT_DIR", repo_dir);
env_fail(NULL);
cl_setenv_printf("GIT_DIR", "%s/sub", repo_dir);
env_fail(NULL);
cl_setenv_printf("GIT_DIR", "%s/sub/sub", repo_dir);
env_fail(NULL);
cl_setenv("GIT_DIR", NULL);
/* Searching from the current directory */
env_cd_pass("attr");
env_cd_pass("attr/.git");
env_cd_pass("attr/sub");
env_cd_pass("attr/sub/sub");
/* A ceiling directory blocks searches from ascending into that
* directory, but doesn't block the start_path itself. */
cl_setenv("GIT_CEILING_DIRECTORIES", repo_dir);
env_cd_pass("attr");
env_cd_fail("attr/sub");
env_cd_fail("attr/sub/sub");
cl_setenv_printf("GIT_CEILING_DIRECTORIES", "%s/sub", repo_dir);
env_cd_pass("attr");
env_cd_pass("attr/sub");
env_cd_fail("attr/sub/sub");
/* Multiple ceiling directories */
cl_setenv_printf("GIT_CEILING_DIRECTORIES", "123%c%s/sub%cabc",
GIT_PATH_LIST_SEPARATOR, repo_dir, GIT_PATH_LIST_SEPARATOR);
env_cd_pass("attr");
env_cd_pass("attr/sub");
env_cd_fail("attr/sub/sub");
cl_setenv_printf("GIT_CEILING_DIRECTORIES", "%s%c%s/sub",
repo_dir, GIT_PATH_LIST_SEPARATOR, repo_dir);
env_cd_pass("attr");
env_cd_fail("attr/sub");
env_cd_fail("attr/sub/sub");
cl_setenv_printf("GIT_CEILING_DIRECTORIES", "%s/sub%c%s",
repo_dir, GIT_PATH_LIST_SEPARATOR, repo_dir);
env_cd_pass("attr");
env_cd_fail("attr/sub");
env_cd_fail("attr/sub/sub");
cl_setenv_printf("GIT_CEILING_DIRECTORIES", "%s%c%s/sub/sub",
repo_dir, GIT_PATH_LIST_SEPARATOR, repo_dir);
env_cd_pass("attr");
env_cd_fail("attr/sub");
env_cd_fail("attr/sub/sub");
cl_setenv("GIT_CEILING_DIRECTORIES", NULL);
/* Index files */
cl_setenv("GIT_INDEX_FILE", cl_fixture("gitgit.index"));
cl_git_pass(git_repository_open_ext(&repo, "attr", GIT_REPOSITORY_OPEN_FROM_ENV, NULL));
cl_git_pass(git_repository_index(&index, repo));
cl_assert_equal_s(git_index_path(index), cl_fixture("gitgit.index"));
cl_assert_equal_i(git_index_entrycount(index), 1437);
git_index_free(index);
git_repository_free(repo);
cl_setenv("GIT_INDEX_FILE", NULL);
/* Namespaces */
cl_setenv("GIT_NAMESPACE", "some-namespace");
cl_git_pass(git_repository_open_ext(&repo, "attr", GIT_REPOSITORY_OPEN_FROM_ENV, NULL));
cl_assert_equal_s(git_repository_get_namespace(repo), "some-namespace");
git_repository_free(repo);
cl_setenv("GIT_NAMESPACE", NULL);
/* Object directories and alternates */
env_check_objects(true, false, false);
cl_setenv("GIT_OBJECT_DIRECTORY", t_obj);
env_check_objects(false, true, false);
cl_setenv("GIT_OBJECT_DIRECTORY", NULL);
cl_setenv("GIT_ALTERNATE_OBJECT_DIRECTORIES", t_obj);
env_check_objects(true, true, false);
cl_setenv("GIT_ALTERNATE_OBJECT_DIRECTORIES", NULL);
cl_setenv("GIT_OBJECT_DIRECTORY", p_obj);
env_check_objects(false, false, true);
cl_setenv("GIT_OBJECT_DIRECTORY", NULL);
cl_setenv("GIT_OBJECT_DIRECTORY", t_obj);
cl_setenv("GIT_ALTERNATE_OBJECT_DIRECTORIES", p_obj);
env_check_objects(false, true, true);
cl_setenv("GIT_ALTERNATE_OBJECT_DIRECTORIES", NULL);
cl_setenv("GIT_OBJECT_DIRECTORY", NULL);
cl_setenv_printf("GIT_ALTERNATE_OBJECT_DIRECTORIES",
"%s%c%s", t_obj, GIT_PATH_LIST_SEPARATOR, p_obj);
env_check_objects(true, true, true);
cl_setenv("GIT_ALTERNATE_OBJECT_DIRECTORIES", NULL);
cl_setenv_printf("GIT_ALTERNATE_OBJECT_DIRECTORIES",
"%s%c%s", p_obj, GIT_PATH_LIST_SEPARATOR, t_obj);
env_check_objects(true, true, true);
cl_setenv("GIT_ALTERNATE_OBJECT_DIRECTORIES", NULL);
cl_fixture_cleanup("peeled.git");
cl_fixture_cleanup("testrepo.git");
cl_fixture_cleanup("attr");
git_buf_free(&repo_dir_buf);
clear_git_env();
}
static int find_repo(
git_buf *repo_path,
git_buf *parent_path,
const char *start_path,
uint32_t flags,
const char *ceiling_dirs)
{
int error;
git_buf path = GIT_BUF_INIT;
struct stat st;
dev_t initial_device = 0;
bool try_with_dot_git = false;
int ceiling_offset;
git_buf_free(repo_path);
if ((error = git_path_prettify_dir(&path, start_path, NULL)) < 0)
return error;
ceiling_offset = find_ceiling_dir_offset(path.ptr, ceiling_dirs);
if ((error = git_buf_joinpath(&path, path.ptr, DOT_GIT)) < 0)
return error;
while (!error && !git_buf_len(repo_path)) {
if (p_stat(path.ptr, &st) == 0) {
/* check that we have not crossed device boundaries */
if (initial_device == 0)
initial_device = st.st_dev;
else if (st.st_dev != initial_device &&
(flags & GIT_REPOSITORY_OPEN_CROSS_FS) == 0)
break;
if (S_ISDIR(st.st_mode)) {
if (valid_repository_path(&path)) {
git_path_to_dir(&path);
git_buf_set(repo_path, path.ptr, path.size);
break;
}
}
else if (S_ISREG(st.st_mode)) {
git_buf repo_link = GIT_BUF_INIT;
if (!(error = read_gitfile(&repo_link, path.ptr))) {
if (valid_repository_path(&repo_link))
git_buf_swap(repo_path, &repo_link);
git_buf_free(&repo_link);
break;
}
git_buf_free(&repo_link);
}
}
/* move up one directory level */
if (git_path_dirname_r(&path, path.ptr) < 0) {
error = -1;
break;
}
if (try_with_dot_git) {
/* if we tried original dir with and without .git AND either hit
* directory ceiling or NO_SEARCH was requested, then be done.
*/
if (path.ptr[ceiling_offset] == '\0' ||
(flags & GIT_REPOSITORY_OPEN_NO_SEARCH) != 0)
break;
/* otherwise look first for .git item */
error = git_buf_joinpath(&path, path.ptr, DOT_GIT);
}
try_with_dot_git = !try_with_dot_git;
}
if (!error && parent_path != NULL) {
if (!git_buf_len(repo_path))
git_buf_clear(parent_path);
else {
git_path_dirname_r(parent_path, path.ptr);
git_path_to_dir(parent_path);
}
if (git_buf_oom(parent_path))
return -1;
}
git_buf_free(&path);
if (!git_buf_len(repo_path) && !error) {
giterr_set(GITERR_REPOSITORY,
"Could not find repository from '%s'", start_path);
error = GIT_ENOTFOUND;
}
return error;
}
