From d99c202e75dbc010ee6f8a312434b656f0d3e288 Mon Sep 17 00:00:00 2001
From: Edwin Eefting <edwin@datux.nl>
Date: Wed, 23 Feb 2022 21:21:07 +0100
Subject: [PATCH] fix

---
 tests/test_zfsautobackup31.py   | 16 ++++++++++++++++
 zfs_autobackup/ZfsAutobackup.py |  2 ++
 2 files changed, 18 insertions(+)

diff --git a/tests/test_zfsautobackup31.py b/tests/test_zfsautobackup31.py
index 4d56856..1f89a07 100644
--- a/tests/test_zfsautobackup31.py
+++ b/tests/test_zfsautobackup31.py
@@ -79,3 +79,19 @@ test_target1/b/test_target1/a/test_source1/fs1/sub@test-20101111000000
             self.assertFalse(
                 ZfsAutobackup("test test_target1 --no-progress --verbose --debug --zfs-compressed".split(" ")).run())
 
+    def test_force(self):
+        """test 1:1 replication"""
+
+        shelltest("zfs set autobackup:test=true test_source1")
+
+        with patch('time.strftime', return_value="test-20101111000000"):
+            self.assertFalse(
+                ZfsAutobackup("test test_target1 --no-progress --verbose --debug --force --strip-path=1".split(" ")).run())
+
+            r=shelltest("zfs list -H -o name -r -t snapshot test_target1")
+            self.assertMultiLineEqual(r,"""
+test_target1@test-20101111000000
+test_target1/fs1@test-20101111000000
+test_target1/fs1/sub@test-20101111000000
+test_target1/fs2/sub@test-20101111000000
+""")
diff --git a/zfs_autobackup/ZfsAutobackup.py b/zfs_autobackup/ZfsAutobackup.py
index 5f58212..a6f1412 100644
--- a/zfs_autobackup/ZfsAutobackup.py
+++ b/zfs_autobackup/ZfsAutobackup.py
@@ -91,6 +91,8 @@ class ZfsAutobackup(ZfsAuto):
         group.add_argument('--rollback', action='store_true',
                            help='Rollback changes to the latest target snapshot before starting. (normally you can '
                                 'prevent changes by setting the readonly property on the target_path to on)')
+        group.add_argument('--force', '-F', action='store_true',
+                           help='Use zfs -F option to force overwrite/rollback. (Usefull with --strip-path=1, but use with care)')
         group.add_argument('--destroy-incompatible', action='store_true',
                            help='Destroy incompatible snapshots on target. Use with care! (implies --rollback)')
         group.add_argument('--ignore-transfer-errors', action='store_true',