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repo: Delete .commitmeta file on empty metadata 

The API docs for ostree_repo_write_commit_detached_metadata() were
written as though it already behaved that way.

https://bugzilla.gnome.org/746123
This commit is contained in:
Matthew Barnes 2015-03-12 21:17:34 -04:00
parent c732178a43
commit 5a3300fe5b
1 changed files with 34 additions and 9 deletions
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43
src/libostree/ostree-repo-commit.c
View File

@ -1970,21 +1970,46 @@ ostree_repo_write_commit_detached_metadata (OstreeRepo *self,
gs_unref_object GFile *metadata_path =
_ostree_repo_get_commit_metadata_loose_path (self, checksum);
gs_unref_variant GVariant *normalized = NULL;
gsize normalized_size = 0;
if (!_ostree_repo_ensure_loose_objdir_at (self->objects_dir_fd, checksum,
cancellable, error))
goto out;
normalized = g_variant_get_normal_form (metadata);
if (!g_file_replace_contents (metadata_path,
g_variant_get_data (normalized),
g_variant_get_size (normalized),
NULL, FALSE, 0, NULL,
cancellable, error))
if (metadata != NULL)
{
g_prefix_error (error, "Unable to write detached metadata: ");
goto out;
normalized = g_variant_get_normal_form (metadata);
normalized_size = g_variant_get_size (normalized);
}
if (normalized_size == 0)
{
GError *local_error = NULL;
(void) g_file_delete (metadata_path, cancellable, &local_error);
if (g_error_matches (local_error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND))
{
g_clear_error (&local_error);
}
else if (local_error != NULL)
{
g_propagate_error (error, local_error);
g_prefix_error (error, "Unable to delete detached metadata: ");
goto out;
}
}
else
{
if (!g_file_replace_contents (metadata_path,
g_variant_get_data (normalized),
g_variant_get_size (normalized),
NULL, FALSE, 0, NULL,
cancellable, error))
{
g_prefix_error (error, "Unable to write detached metadata: ");
goto out;
}
}
ret = TRUE;