ostree/src/ostree/ot-builtin-prune.c

93 lines
3.0 KiB
C

/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
*
* Copyright (C) 2011 Colin Walters <walters@verbum.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Author: Colin Walters <walters@verbum.org>
*/
#include "config.h"
#include "ot-builtins.h"
#include "ostree.h"
#include <glib/gi18n.h>
#include <glib/gprintf.h>
static gboolean opt_no_prune;
static gint opt_depth = -1;
static gboolean opt_refs_only;
static GOptionEntry options[] = {
{ "no-prune", 0, 0, G_OPTION_ARG_NONE, &opt_no_prune, "Only display unreachable objects; don't delete", NULL },
{ "refs-only", 0, 0, G_OPTION_ARG_NONE, &opt_refs_only, "Only compute reachability via refs", NULL },
{ "depth", 0, 0, G_OPTION_ARG_INT, &opt_depth, "Only traverse DEPTH parents for each commit (default: -1=infinite)", "DEPTH" },
{ NULL }
};
gboolean
ostree_builtin_prune (int argc, char **argv, GFile *repo_path, GError **error)
{
gboolean ret = FALSE;
GOptionContext *context;
GCancellable *cancellable = NULL;
gs_unref_object OstreeRepo *repo = NULL;
gs_free char *formatted_freed_size = NULL;
OstreeRepoPruneFlags pruneflags = 0;
gint n_objects_total;
gint n_objects_pruned;
guint64 objsize_total;
context = g_option_context_new ("- Search for unreachable objects");
g_option_context_add_main_entries (context, options, NULL);
if (!g_option_context_parse (context, &argc, &argv, error))
goto out;
repo = ostree_repo_new (repo_path);
if (!ostree_repo_check (repo, error))
goto out;
if (opt_refs_only)
pruneflags |= OSTREE_REPO_PRUNE_FLAGS_REFS_ONLY;
if (opt_no_prune)
pruneflags |= OSTREE_REPO_PRUNE_FLAGS_NO_PRUNE;
if (!ostree_repo_prune (repo, pruneflags, opt_depth,
&n_objects_total, &n_objects_pruned, &objsize_total,
cancellable, error))
goto out;
formatted_freed_size = g_format_size_full (objsize_total, 0);
g_print ("Total objects: %u\n", n_objects_total);
if (n_objects_pruned == 0)
g_print ("No unreachable objects\n");
else if (pruneflags & OSTREE_REPO_PRUNE_FLAGS_NO_PRUNE)
g_print ("Would delete: %u objects, freeing %s bytes\n",
n_objects_pruned, formatted_freed_size);
else
g_print ("Deleted %u objects, %s bytes freed\n",
n_objects_pruned, formatted_freed_size);
ret = TRUE;
out:
if (context)
g_option_context_free (context);
return ret;
}