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/*
* Copyright (C) 2012 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-main.h"
#include "ot-admin-builtins.h"
#include "ot-admin-functions.h"
#include "ostree.h"
#include <glib/gi18n.h>
static char *opt_osname;
/* ATTENTION:
* Please remember to update the bash-completion script (bash/ostree) and
* man page (man/ostree-admin-config-diff.xml) when changing the option list.
*/
static GOptionEntry options[] = {
{ "os", 0, 0, G_OPTION_ARG_STRING, &opt_osname, "Use a different operating system root than the current one", "OSNAME" },
{ NULL }
};
gboolean
ot_admin_builtin_diff (int argc, char **argv, OstreeCommandInvocation *invocation, GCancellable *cancellable, GError **error)
{
g_autoptr(GOptionContext) context = NULL;
g_autoptr(OstreeSysroot) sysroot = NULL;
gboolean ret = FALSE;
g_autoptr(OstreeDeployment) deployment = NULL;
g_autoptr(GFile) deployment_dir = NULL;
g_autoptr(GPtrArray) modified = NULL;
g_autoptr(GPtrArray) removed = NULL;
g_autoptr(GPtrArray) added = NULL;
g_autoptr(GFile) orig_etc_path = NULL;
g_autoptr(GFile) new_etc_path = NULL;
context = g_option_context_new ("Diff current /etc configuration versus default");
g_option_context_add_main_entries (context, options, NULL);
if (!ostree_admin_option_context_parse (context, options, &argc, &argv,
OSTREE_ADMIN_BUILTIN_FLAG_SUPERUSER | OSTREE_ADMIN_BUILTIN_FLAG_UNLOCKED,
invocation, &sysroot, cancellable, error))
goto out;
if (!ot_admin_require_booted_deployment_or_osname (sysroot, opt_osname,
cancellable, error))
goto out;
if (opt_osname != NULL)
{
deployment = ostree_sysroot_get_merge_deployment (sysroot, opt_osname);
if (deployment == NULL)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND,
"No deployment for OS '%s'", opt_osname);
goto out;
}
}
else
deployment = g_object_ref (ostree_sysroot_get_booted_deployment (sysroot));
deployment_dir = ostree_sysroot_get_deployment_directory (sysroot, deployment);
orig_etc_path = g_file_resolve_relative_path (deployment_dir, "usr/etc");
new_etc_path = g_file_resolve_relative_path (deployment_dir, "etc");
modified = g_ptr_array_new_with_free_func ((GDestroyNotify) ostree_diff_item_unref);
removed = g_ptr_array_new_with_free_func ((GDestroyNotify) g_object_unref);
added = g_ptr_array_new_with_free_func ((GDestroyNotify) g_object_unref);
if (!ostree_diff_dirs (OSTREE_DIFF_FLAGS_IGNORE_XATTRS,
orig_etc_path, new_etc_path, modified, removed, added,
cancellable, error))
goto out;
ostree_diff_print (orig_etc_path, new_etc_path, modified, removed, added);
ret = TRUE;
out:
return ret;
}
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