/*
* Git repository open methods
*
* Open a repository object from its path
*/
static bool valid_repository_path(git_buf *repository_path)
{
/* Check OBJECTS_DIR first, since it will generate the longest path name */
if (git_path_contains_dir(repository_path, GIT_OBJECTS_DIR) == false)
return false;
/* Ensure HEAD file exists */
if (git_path_contains_file(repository_path, GIT_HEAD_FILE) == false)
return false;
if (git_path_contains_dir(repository_path, GIT_REFS_DIR) == false)
return false;
return true;
}
int git_submodule_lookup(
git_submodule **sm_ptr, /* NULL if user only wants to test existence */
git_repository *repo,
const char *name) /* trailing slash is allowed */
{
int error;
khiter_t pos;
assert(repo && name);
if ((error = load_submodule_config(repo)) < 0)
return error;
pos = git_strmap_lookup_index(repo->submodules, name);
if (!git_strmap_valid_index(repo->submodules, pos)) {
error = GIT_ENOTFOUND;
/* check if a plausible submodule exists at path */
if (git_repository_workdir(repo)) {
git_buf path = GIT_BUF_INIT;
if (git_buf_joinpath(&path, git_repository_workdir(repo), name) < 0)
return -1;
if (git_path_contains_dir(&path, DOT_GIT))
error = GIT_EEXISTS;
git_buf_free(&path);
}
giterr_set(GITERR_SUBMODULE, (error == GIT_ENOTFOUND) ?
"No submodule named '%s'" :
"Submodule '%s' has not been added yet", name);
return error;
}
if (sm_ptr)
*sm_ptr = git_strmap_value_at(repo->submodules, pos);
return 0;
}
