100 lines
3.0 KiB
C
100 lines
3.0 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
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*
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* Copyright (C) 2012 Colin Walters <walters@verbum.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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* Author: Colin Walters <walters@verbum.org>
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*/
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#include "config.h"
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#include "ot-admin-functions.h"
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#include "otutil.h"
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#include "ostree.h"
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#include "libgsystem.h"
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gboolean
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ot_admin_require_booted_deployment_or_osname (OstreeSysroot *sysroot,
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const char *osname,
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GCancellable *cancellable,
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GError **error)
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{
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gboolean ret = FALSE;
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OstreeDeployment *booted_deployment =
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ostree_sysroot_get_booted_deployment (sysroot);
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if (booted_deployment == NULL && osname == NULL)
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{
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g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_FAILED,
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"Not currently booted into an OSTree system and no --os= argument given");
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goto out;
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}
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ret = TRUE;
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out:
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return ret;
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}
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/**
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* ot_admin_checksum_version:
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* @checksum: A GVariant from an ostree checksum.
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*
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*
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* Get the version metadata string from a commit variant object, if it exists.
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*
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* Returns: A newly allocated string of the version, or %NULL is none
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*/
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char *
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ot_admin_checksum_version (GVariant *checksum)
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{
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g_autoptr(GVariant) metadata = NULL;
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const char *ret = NULL;
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metadata = g_variant_get_child_value (checksum, 0);
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if (!g_variant_lookup (metadata, "version", "&s", &ret))
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return NULL;
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return g_strdup (ret);
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}
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OstreeDeployment *
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ot_admin_get_indexed_deployment (OstreeSysroot *sysroot,
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int index,
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GError **error)
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{
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gs_unref_ptrarray GPtrArray *current_deployments =
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ostree_sysroot_get_deployments (sysroot);
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if (index < 0)
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{
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g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND,
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"Invalid index %d", index);
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return NULL;
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}
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if (index >= current_deployments->len)
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{
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g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND,
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"Out of range deployment index %d, expected < %d", index,
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current_deployments->len);
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return NULL;
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}
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return g_object_ref (current_deployments->pdata[index]);
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}
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