add exec mode

resticbackup/cli.py

@@ -161,6 +161,19 @@ def cmd_restore(args, parser):
     pass  # TODO
 
 
+def cmd_exec(args, parser):
+    config, backup_configs = load_configs()
+
+    try:
+        backup_config = backup_configs[args.name]
+    except KeyError:
+        die("invalid backup name: '{}'".format(args.name))
+
+    env = dict(os.environ)
+    env.update(**config.env)
+    subprocess.Popen(["restic"] + args.args, env=env).wait()
+
+
 def main():
     parser = argparse.ArgumentParser(description="restic wrapper")
 
@@ -174,6 +187,11 @@ def main():
     p_backup.set_defaults(func=cmd_backup)
     p_backup.add_argument("name", help="name of backup to execute")
 
+    p_exec = sp_action.add_parser("exec", help="execute a restic command")
+    p_exec.set_defaults(func=cmd_exec)
+    p_exec.add_argument("name", help="name of backup to configure restic for")
+    p_exec.add_argument("args", nargs="+", help="command arguments")
+
     args = parser.parse_args()
 
     args.func(args, parser)