Add new bundle-list sub-command

This is a new sub-command for swupd called
"bundle-list", this command will show which
bundles are installed in the local system.
This information is obtained reading
/usr/share/clear/bundles path in local filesystem.

Signed-off-by: Mario Alfredo Carrillo Arevalo <mario.alfredo.c.arevalo@intel.com>

Makefile.am

@@ -13,6 +13,7 @@ swupd_SOURCES = \
 	$(swupd_verify_SOURCES) \
 	$(clr_bundle_add_SOURCES) \
 	$(clr_bundle_rm_SOURCES) \
+	$(clr_bundle_ls_SOURCES) \
 	$(swupd_search_SOURCES)
 
 check_PROGRAMS = \
@@ -65,6 +66,7 @@ swupd_search_SOURCES = src/search.c
 
 clr_bundle_add_SOURCES = src/clr_bundle_add.c
 clr_bundle_rm_SOURCES = src/clr_bundle_rm.c
+clr_bundle_ls_SOURCES = src/clr_bundle_ls.c
 
 swupd_hashdump_SOURCES = src/hashdump.c
 

include/swupd-internal.h

@@ -3,6 +3,7 @@
 
 extern int bundle_add_main(int argc, char **argv);
 extern int bundle_remove_main(int argc, char **argv);
+extern int bundle_list_main(int argc, char **argv);
 extern int hashdump_main(int argc, char **argv);
 extern int update_main(int argc, char **argv);
 extern int verify_main(int argc, char **argv);

src/clr_bundle_ls.c

@@ -0,0 +1,64 @@
+/*
+ *   Software Updater - client side
+ *
+ *      Copyright © 2012-2016 Intel Corporation.
+ *
+ *   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, version 2 or later of the License.
+ *
+ *   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, see <http://www.gnu.org/licenses/>.
+ *
+ *   Authors:
+ *         Mario Alfredo Carrillo Arevalo <mario.alfredo.c.arevalo@intel.com>
+ *         Jaime A. Garcia <jaime.garcia.naranjo@linux.intel.com>
+ */
+
+#define _GNU_SOURCE
+#include "swupd.h"
+#include "config.h"
+
+int bundle_list_main(int argc, char **argv)
+{
+	int current_version;
+	int lock_fd;
+	int ret;
+	struct list *list_bundles = NULL;
+	struct list *item = NULL;
+
+	copyright_header("bundle list");
+
+	ret = swupd_init(&lock_fd);
+	if (ret != 0) {
+		printf("Error: Failed updater initialization. Exiting now\n");
+		return ret;
+	}
+
+	current_version = get_current_version(path_prefix);
+	if (current_version < 0) {
+		printf("Error: Unable to determine current OS version\n");
+		v_lockfile(lock_fd);
+		return ECURRENT_VERSION;
+	}
+
+	read_local_bundles(&list_bundles);
+
+	item = list_head(list_bundles);
+
+	while (item) {
+		printf("%s\n", (char *)item->data);
+		item = item->next;
+	}
+
+	printf("Current OS version: %d\n", current_version);
+
+	list_free_list(list_bundles);
+
+	return ret;
+}

src/swupd.c

@@ -36,6 +36,7 @@ struct subcmd {
 static struct subcmd commands[] = {
 	{ "bundle-add", "Install a new bundle", bundle_add_main },
 	{ "bundle-remove", "Uninstall a bundle", bundle_remove_main },
+	{ "bundle-list", "List installed bundles", bundle_list_main },
 	{ "hashdump", "Dumps the HMAC hash of a file", hashdump_main },
 	{ "update", "Update to latest OS version", update_main },
 	{ "verify", "Verify content for OS version", verify_main },