static gboolean
object_set_total_size (OstreeRepo *repo,
GHashTable *reachable,
guint64 *out_total,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
GHashTableIter hashiter;
gpointer key, value;
*out_total = 0;
g_hash_table_iter_init (&hashiter, reachable);
while (g_hash_table_iter_next (&hashiter, &key, &value))
{
GVariant *v = key;
const char *csum;
OstreeObjectType objtype;
guint64 size;
ostree_object_name_deserialize (v, &csum, &objtype);
if (!ostree_repo_query_object_storage_size (repo, objtype, csum, &size,
cancellable, error))
goto out;
*out_total += size;
}
ret = TRUE;
out:
return ret;
}
static gboolean
maybe_prune_loose_object (OtPruneData *data,
OstreeRepoPruneFlags flags,
const char *checksum,
OstreeObjectType objtype,
GCancellable *cancellable,
GError **error)
{
g_autoptr(GVariant) key = NULL;
key = ostree_object_name_serialize (checksum, objtype);
if (!g_hash_table_lookup_extended (data->reachable, key, NULL, NULL))
{
g_debug ("Pruning unneeded object %s.%s", checksum,
ostree_object_type_to_string (objtype));
if (!(flags & OSTREE_REPO_PRUNE_FLAGS_NO_PRUNE))
{
guint64 storage_size = 0;
if (objtype == OSTREE_OBJECT_TYPE_COMMIT)
{
if (!prune_commitpartial_file (data->repo, checksum, cancellable, error))
return FALSE;
}
if (!ostree_repo_query_object_storage_size (data->repo, objtype, checksum,
&storage_size, cancellable, error))
return FALSE;
if (!ostree_repo_delete_object (data->repo, objtype, checksum,
cancellable, error))
return FALSE;
data->freed_bytes += storage_size;
}
if (OSTREE_OBJECT_TYPE_IS_META (objtype))
data->n_unreachable_meta++;
else
data->n_unreachable_content++;
}
else
{
g_debug ("Keeping needed object %s.%s", checksum,
ostree_object_type_to_string (objtype));
if (OSTREE_OBJECT_TYPE_IS_META (objtype))
data->n_reachable_meta++;
else
data->n_reachable_content++;
}
return TRUE;
}
static gboolean
maybe_prune_loose_object (OtPruneData *data,
OstreeRepoPruneFlags flags,
const char *checksum,
OstreeObjectType objtype,
GCancellable *cancellable,
GError **error)
{
gboolean reachable = FALSE;
g_autoptr(GVariant) key = NULL;
key = ostree_object_name_serialize (checksum, objtype);
if (g_hash_table_lookup_extended (data->reachable, key, NULL, NULL))
reachable = TRUE;
else
{
guint64 storage_size = 0;
g_debug ("Pruning unneeded object %s.%s", checksum,
ostree_object_type_to_string (objtype));
if (!ostree_repo_query_object_storage_size (data->repo, objtype, checksum,
&storage_size, cancellable, error))
return FALSE;
data->freed_bytes += storage_size;
if (!(flags & OSTREE_REPO_PRUNE_FLAGS_NO_PRUNE))
{
if (objtype == OSTREE_OBJECT_TYPE_PAYLOAD_LINK)
{
ssize_t size;
char loose_path_buf[_OSTREE_LOOSE_PATH_MAX];
char target_checksum[OSTREE_SHA256_STRING_LEN+1];
char target_buf[_OSTREE_LOOSE_PATH_MAX + _OSTREE_PAYLOAD_LINK_PREFIX_LEN];
_ostree_loose_path (loose_path_buf, checksum, OSTREE_OBJECT_TYPE_PAYLOAD_LINK, data->repo->mode);
size = readlinkat (data->repo->objects_dir_fd, loose_path_buf, target_buf, sizeof (target_buf));
if (size < 0)
return glnx_throw_errno_prefix (error, "readlinkat");
if (size < OSTREE_SHA256_STRING_LEN + _OSTREE_PAYLOAD_LINK_PREFIX_LEN)
return glnx_throw (error, "invalid data size for %s", loose_path_buf);
sprintf (target_checksum, "%.2s%.62s", target_buf + _OSTREE_PAYLOAD_LINK_PREFIX_LEN, target_buf + _OSTREE_PAYLOAD_LINK_PREFIX_LEN + 3);
g_autoptr(GVariant) target_key = ostree_object_name_serialize (target_checksum, OSTREE_OBJECT_TYPE_FILE);
if (g_hash_table_lookup_extended (data->reachable, target_key, NULL, NULL))
{
guint64 target_storage_size = 0;
if (!ostree_repo_query_object_storage_size (data->repo, OSTREE_OBJECT_TYPE_FILE, target_checksum,
&target_storage_size, cancellable, error))
return FALSE;
reachable = target_storage_size >= data->repo->payload_link_threshold;
if (reachable)
goto exit;
}
}
else if (objtype == OSTREE_OBJECT_TYPE_COMMIT)
{
if (!ostree_repo_mark_commit_partial (data->repo, checksum, FALSE, error))
return FALSE;
}
if (!ostree_repo_delete_object (data->repo, objtype, checksum,
cancellable, error))
return FALSE;
}
if (OSTREE_OBJECT_TYPE_IS_META (objtype))
data->n_unreachable_meta++;
else
data->n_unreachable_content++;
}
exit:
if (reachable)
{
g_debug ("Keeping needed object %s.%s", checksum,
ostree_object_type_to_string (objtype));
if (OSTREE_OBJECT_TYPE_IS_META (objtype))
data->n_reachable_meta++;
else
data->n_reachable_content++;
}
return TRUE;
}
