diff -r 000000000000 -r 8d3b1ddf789c plover-gtk/packageset.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plover-gtk/packageset.c	Sat Feb 20 12:11:02 2010 +0000
@@ -0,0 +1,171 @@
+/*
+ * Copyright (C) 2010  J. Ali Harlow <ali@juiblex.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "config.h"
+#include <stdlib.h>
+#include <string.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <glib-object.h>
+#include <razor.h>
+#include "plover/plover.h"
+#include "plover-gtk/error.h"
+#include "plover-gtk/packageset.h"
+#include "plover-gtk/package.h"
+
+G_DEFINE_TYPE(PloverPackageSet,plover_package_set,G_TYPE_OBJECT);
+
+typedef struct _PloverPackageSetPrivate {
+    struct razor_root *root;
+    struct razor_set *set;
+    GSList *packages;
+} PloverPackageSetPrivate;
+
+#define PLOVER_PACKAGE_SET_GET_PRIVATE(obj)\
+				G_TYPE_INSTANCE_GET_PRIVATE(obj,\
+				  PLOVER_TYPE_PACKAGE_SET,\
+				  PloverPackageSetPrivate)
+
+enum {
+    CHANGED=0,
+    N_SIGNALS
+};
+
+static guint signals[N_SIGNALS];
+
+static void plover_package_set_finalize(GObject *obj)
+{
+    PloverPackageSetPrivate *priv=PLOVER_PACKAGE_SET_GET_PRIVATE(obj);
+    if (priv->root)
+    {
+	/* priv->set, if set, is owned by priv->root and should not
+	 * be destroyed.
+	 */
+	razor_root_close(priv->root);
+    }
+    else if (priv->set)
+	razor_set_destroy(priv->set);
+    if (G_OBJECT_CLASS(plover_package_set_parent_class)->finalize)
+	G_OBJECT_CLASS(plover_package_set_parent_class)->finalize(obj);
+}
+
+static void plover_package_set_dispose(GObject *obj)
+{
+    PloverPackageSetPrivate *priv=PLOVER_PACKAGE_SET_GET_PRIVATE(obj);
+    if (G_OBJECT_CLASS(plover_package_set_parent_class)->dispose)
+	G_OBJECT_CLASS(plover_package_set_parent_class)->dispose(obj);
+}
+
+static void plover_package_set_class_init(PloverPackageSetClass *klass)
+{
+    GObjectClass *oclass=G_OBJECT_CLASS(klass);
+    oclass->finalize=plover_package_set_finalize;
+    oclass->dispose=plover_package_set_dispose;
+    g_type_class_add_private(klass,sizeof(PloverPackageSetPrivate));
+    signals[CHANGED]=g_signal_newv("changed",
+      G_TYPE_FROM_CLASS(klass),G_SIGNAL_RUN_LAST,NULL,NULL,NULL,
+      g_cclosure_marshal_VOID__VOID,G_TYPE_NONE,0,NULL);
+}
+
+static void plover_package_set_init(PloverPackageSet *set)
+{
+}
+
+PloverPackageSet *plover_package_set_new(void)
+{
+    return g_object_new(PLOVER_TYPE_PACKAGE_SET,NULL);
+}
+
+PloverPackageSet *plover_package_set_new_from_installed(const char *root,
+  GError **err)
+{
+    PloverPackageSet *set;
+    PloverPackageSetPrivate *priv;
+    set=plover_package_set_new();
+    priv=PLOVER_PACKAGE_SET_GET_PRIVATE(set);
+    priv->root=razor_root_open(root);
+    if (!priv->root)
+    {
+	g_set_error(err,PLOVER_RAZOR_ERROR,PLOVER_RAZOR_ERROR_FAILED,
+	  "Failed to open %s as razor root",root);
+	g_object_unref(set);
+	return NULL;
+    }
+    priv->set=razor_root_get_system_set(priv->root);
+    if (!priv->set)
+    {
+	g_set_error(err,PLOVER_RAZOR_ERROR,PLOVER_RAZOR_ERROR_FAILED,
+	  "Failed to get system set from %s",root);
+	g_object_unref(set);
+	return NULL;
+    }
+    return set;
+}
+
+PloverPackageSet *plover_package_set_new_from_repository(const char *base,
+  GError **err)
+{
+    int fd;
+    gchar *s;
+    PloverPackageSet *set;
+    PloverPackageSetPrivate *priv;
+    set=plover_package_set_new();
+    priv=PLOVER_PACKAGE_SET_GET_PRIVATE(set);
+    fd=open(".",O_RDONLY);
+    s=g_build_filename(base,"repodata",NULL);
+    if (chdir(s)<0)
+    {
+	g_set_error(err,G_FILE_ERROR,g_file_error_from_errno(errno),
+	  "%s: %s",s,g_strerror(errno));
+	g_object_unref(set);
+	return NULL;
+    }
+    g_free(s);
+    priv->set=plover_razor_set_create_from_yum("..");
+    fchdir(fd);
+    close(fd);
+    if (!priv->set)
+    {
+	g_set_error(err,PLOVER_RAZOR_ERROR,PLOVER_RAZOR_ERROR_FAILED,
+	  "Failed to create package set from repository %s",base);
+	g_object_unref(set);
+	return NULL;
+    }
+    return set;
+}
+
+GSList *plover_package_set_get_packages(PloverPackageSet *set)
+{
+    struct razor_package_iterator *iter;
+    struct razor_package *pkg;
+    PloverPackageSetPrivate *priv;
+    PloverPackage *package;
+    g_return_val_if_fail(PLOVER_IS_PACKAGE_SET(set),NULL);
+    priv=PLOVER_PACKAGE_SET_GET_PRIVATE(set);
+    if (priv->set && !priv->packages)
+    {
+	iter=razor_package_iterator_create(priv->set);
+	while(razor_package_iterator_next(iter,&pkg,RAZOR_DETAIL_LAST))
+	{
+	    package=plover_package_new(priv->set,pkg);
+	    priv->packages=g_slist_prepend(priv->packages,package);
+	}
+	razor_package_iterator_destroy(iter);
+    }
+    return priv->packages;
+}