static gboolean
resolve_refspec (OstreeRepo *self,
const char *remote,
const char *ref,
gboolean allow_noent,
char **out_rev,
GError **error)
{
gboolean ret = FALSE;
__attribute__((unused)) GCancellable *cancellable = NULL;
GError *temp_error = NULL;
g_autofree char *ret_rev = NULL;
g_autoptr(GFile) child = NULL;
g_return_val_if_fail (ref != NULL, FALSE);
/* We intentionally don't allow a ref that looks like a checksum */
if (ostree_validate_checksum_string (ref, NULL))
{
ret_rev = g_strdup (ref);
}
else if (remote != NULL)
{
child = ot_gfile_resolve_path_printf (self->remote_heads_dir, "%s/%s",
remote, ref);
if (!g_file_query_exists (child, NULL))
g_clear_object (&child);
}
else
{
child = g_file_resolve_relative_path (self->local_heads_dir, ref);
if (!g_file_query_exists (child, NULL))
{
g_clear_object (&child);
child = g_file_resolve_relative_path (self->remote_heads_dir, ref);
if (!g_file_query_exists (child, NULL))
{
g_clear_object (&child);
if (!find_ref_in_remotes (self, ref, &child, error))
goto out;
}
}
}
if (child)
{
if ((ret_rev = gs_file_load_contents_utf8 (child, NULL, &temp_error)) == NULL)
{
g_propagate_error (error, temp_error);
g_prefix_error (error, "Couldn't open ref '%s': ", gs_file_get_path_cached (child));
goto out;
}
g_strchomp (ret_rev);
if (!ostree_validate_checksum_string (ret_rev, error))
goto out;
}
else
{
if (!resolve_refspec_fallback (self, remote, ref, allow_noent,
&ret_rev, cancellable, error))
goto out;
}
ot_transfer_out_value (out_rev, &ret_rev);
ret = TRUE;
out:
return ret;
}
static gboolean
resolve_refspec (OstreeRepo *self,
const char *remote,
const char *ref,
gboolean allow_noent,
gboolean fallback_remote,
char **out_rev,
GError **error)
{
__attribute__((unused)) GCancellable *cancellable = NULL;
g_autofree char *ret_rev = NULL;
glnx_fd_close int target_fd = -1;
g_return_val_if_fail (ref != NULL, FALSE);
/* We intentionally don't allow a ref that looks like a checksum */
if (ostree_validate_checksum_string (ref, NULL))
{
ret_rev = g_strdup (ref);
}
else if (remote != NULL)
{
const char *remote_ref = glnx_strjoina ("refs/remotes/", remote, "/", ref);
if (!ot_openat_ignore_enoent (self->repo_dir_fd, remote_ref, &target_fd, error))
return FALSE;
}
else
{
const char *local_ref = glnx_strjoina ("refs/heads/", ref);
if (!ot_openat_ignore_enoent (self->repo_dir_fd, local_ref, &target_fd, error))
return FALSE;
if (target_fd == -1 && fallback_remote)
{
local_ref = glnx_strjoina ("refs/remotes/", ref);
if (!ot_openat_ignore_enoent (self->repo_dir_fd, local_ref, &target_fd, error))
return FALSE;
if (target_fd == -1)
{
if (!find_ref_in_remotes (self, ref, &target_fd, error))
return FALSE;
}
}
}
if (target_fd != -1)
{
ret_rev = glnx_fd_readall_utf8 (target_fd, NULL, NULL, error);
if (!ret_rev)
{
g_prefix_error (error, "Couldn't open ref '%s': ", ref);
return FALSE;
}
g_strchomp (ret_rev);
if (!ostree_validate_checksum_string (ret_rev, error))
return FALSE;
}
else
{
if (!resolve_refspec_fallback (self, remote, ref, allow_noent, fallback_remote,
&ret_rev, cancellable, error))
return FALSE;
}
ot_transfer_out_value (out_rev, &ret_rev);
return TRUE;
}
