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;
}
int git_repository_init(git_repository **repo_out, const char *path, unsigned is_bare)
{
git_buf repository_path = GIT_BUF_INIT;
assert(repo_out && path);
if (git_buf_joinpath(&repository_path, path, is_bare ? "" : GIT_DIR) < 0)
return -1;
if (git_path_isdir(repository_path.ptr) == true) {
if (valid_repository_path(&repository_path) == true) {
int res = repo_init_reinit(repo_out, repository_path.ptr, is_bare);
git_buf_free(&repository_path);
return res;
}
}
if (repo_init_structure(repository_path.ptr, is_bare) < 0 ||
repo_init_config(repository_path.ptr, is_bare) < 0 ||
repo_init_createhead(repository_path.ptr) < 0 ||
git_repository_open(repo_out, repository_path.ptr) < 0) {
git_buf_free(&repository_path);
return -1;
}
git_buf_free(&repository_path);
return 0;
}
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 = ((flags & GIT_REPOSITORY_OPEN_BARE) != 0);
int ceiling_offset;
git_buf_free(repo_path);
if ((error = git_path_prettify(&path, start_path, NULL)) < 0)
return error;
ceiling_offset = find_ceiling_dir_offset(path.ptr, ceiling_dirs);
if (!try_with_dot_git &&
(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 && !(flags & GIT_REPOSITORY_OPEN_BARE)) {
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;
}
