implement --no-snapshots-ok flag

resticbackup/cli.py

@@ -71,7 +71,11 @@ def cmd_restore(args, parser):
     snapshot = get_newest_snapshot(args.name, config)
 
     if not snapshot:
-        return die("no snapshots found")
+        if args.no_snapshots_ok:
+            print("no snapshots found, but exiting OK")
+            return
+        else:
+            return die("no snapshots found")
 
     os.chdir(config.backup.path)
     with ExecWrapper(post=config.backup.restore_postexec):
@@ -138,8 +142,8 @@ def main():
     p_restore.set_defaults(func=cmd_restore)
     p_restore.add_argument("name", help="name of backup to restore")
     # p_restore.add_argument("snapshot", nargs="?", help="id of snapshot to restore") # TODO
-    # p_restore.add_argument('--no-snapshots-ok', action='store_true',
-    #                        help='don\'t return an error if no snapshots are available to be restored')
+    p_restore.add_argument('--no-snapshots-ok', action='store_true',
+                           help='don\'t return an error if no snapshots are available to be restored')
 
     p_exec = sp_action.add_parser("exec", help="execute a restic command")
     p_exec.set_defaults(func=cmd_exec)

resticbackup/lib.py

@@ -16,7 +16,7 @@ def pdie(popen):
 def checkp(popen):
     popen.wait()
     if popen.returncode != 0:
-        die(rc=popen.returncode)
+        die("command failed", rc=popen.returncode)
     return popen
 
 

setup.py

@@ -1,7 +1,7 @@
 from setuptools import setup
 
 
-__version__ = "0.0.0"
+__version__ = "0.0.1"
 
 
 setup(name='resticbackup',