/* Returns 0 on success, negative on failure. */
static int do_submodule_path(struct strbuf *buf, const char *path,
const char *fmt, va_list args)
{
struct strbuf git_submodule_common_dir = STRBUF_INIT;
struct strbuf git_submodule_dir = STRBUF_INIT;
int ret;
ret = submodule_to_gitdir(&git_submodule_dir, path);
if (ret)
goto cleanup;
strbuf_complete(&git_submodule_dir, '/');
strbuf_addbuf(buf, &git_submodule_dir);
strbuf_vaddf(buf, fmt, args);
if (get_common_dir_noenv(&git_submodule_common_dir, git_submodule_dir.buf))
update_common_dir(buf, git_submodule_dir.len, git_submodule_common_dir.buf);
strbuf_cleanup_path(buf);
cleanup:
strbuf_release(&git_submodule_dir);
strbuf_release(&git_submodule_common_dir);
return ret;
}
struct ref_store *get_submodule_ref_store(const char *submodule)
{
struct strbuf submodule_sb = STRBUF_INIT;
struct ref_store *refs;
int ret;
if (!submodule || !*submodule) {
/*
* FIXME: This case is ideally not allowed. But that
* can't happen until we clean up all the callers.
*/
return get_main_ref_store();
}
refs = lookup_submodule_ref_store(submodule);
if (refs)
return refs;
strbuf_addstr(&submodule_sb, submodule);
ret = is_nonbare_repository_dir(&submodule_sb);
strbuf_release(&submodule_sb);
if (!ret)
return NULL;
ret = submodule_to_gitdir(&submodule_sb, submodule);
if (ret) {
strbuf_release(&submodule_sb);
return NULL;
}
/* assume that add_submodule_odb() has been called */
refs = ref_store_init(submodule_sb.buf,
REF_STORE_READ | REF_STORE_ODB);
register_submodule_ref_store(refs, submodule);
strbuf_release(&submodule_sb);
return refs;
}