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repo: Port metadata writing code to fd-relative 

It was the last thing referencing `self->objects_dir`.

Closes: #432
Approved by: giuseppe
This commit is contained in:
Colin Walters 2016-08-04 21:30:56 -04:00 committed by Atomic Bot
parent cfd402e5f7
commit 308c75e281
1 changed files with 19 additions and 44 deletions
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63
src/libostree/ostree-repo-commit.c
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@ -2005,15 +2005,6 @@ ostree_repo_write_commit_with_time (OstreeRepo *self,
return ret;
}
GFile *
_ostree_repo_get_commit_metadata_loose_path (OstreeRepo *self,
const char *checksum)
{
char buf[_OSTREE_LOOSE_PATH_MAX];
_ostree_loose_path (buf, checksum, OSTREE_OBJECT_TYPE_COMMIT_META, self->mode);
return g_file_resolve_relative_path (self->objects_dir, buf);
}
/**
* ostree_repo_read_commit_detached_metadata:
* @self: Repo
@ -2034,11 +2025,12 @@ ostree_repo_read_commit_detached_metadata (OstreeRepo *self,
GError **error)
{
gboolean ret = FALSE;
g_autoptr(GFile) metadata_path =
_ostree_repo_get_commit_metadata_loose_path (self, checksum);
char buf[_OSTREE_LOOSE_PATH_MAX];
g_autoptr(GVariant) ret_metadata = NULL;
_ostree_loose_path (buf, checksum, OSTREE_OBJECT_TYPE_COMMIT_META, self->mode);
if (!ot_util_variant_map_at (AT_FDCWD, gs_file_get_path_cached (metadata_path),
if (!ot_util_variant_map_at (self->objects_dir_fd, buf,
G_VARIANT_TYPE ("a{sv}"),
OT_VARIANT_MAP_ALLOW_NOENT | OT_VARIANT_MAP_TRUSTED, &ret_metadata, error))
{
@ -2071,53 +2063,36 @@ ostree_repo_write_commit_detached_metadata (OstreeRepo *self,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
g_autoptr(GFile) metadata_path =
_ostree_repo_get_commit_metadata_loose_path (self, checksum);
char pathbuf[_OSTREE_LOOSE_PATH_MAX];
g_autoptr(GVariant) normalized = NULL;
gsize normalized_size = 0;
const guint8 *data;
_ostree_loose_path (pathbuf, checksum, OSTREE_OBJECT_TYPE_COMMIT_META, self->mode);
if (!_ostree_repo_ensure_loose_objdir_at (self->objects_dir_fd, checksum,
cancellable, error))
goto out;
return FALSE;
if (metadata != NULL)
{
normalized = g_variant_get_normal_form (metadata);
normalized_size = g_variant_get_size (normalized);
data = g_variant_get_data (normalized);
}
if (normalized_size > 0)
if (data == NULL)
data = (guint8*)"";
if (!glnx_file_replace_contents_at (self->objects_dir_fd, pathbuf,
data, normalized_size,
0, cancellable, error))
{
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;
}
}
else
{
g_autoptr(GFileOutputStream) output_stream = NULL;
/* Don't write to the stream, leave the file empty. */
output_stream = g_file_replace (metadata_path,
NULL, FALSE,
G_FILE_CREATE_NONE,
cancellable, error);
if (output_stream == NULL)
{
g_prefix_error (error, "Unable to write detached metadata: ");
goto out;
}
g_prefix_error (error, "Unable to write detached metadata: ");
return FALSE;
}
ret = TRUE;
out:
return ret;
return TRUE;
}
static GVariant *