allow to only select parent dataset, non-recursively. (usefull for /var/lib/docker )

tests/test_zfsnode.py

@@ -146,6 +146,11 @@ test_target1
         shelltest("zfs create test_source1/fs1/subexcluded")
         shelltest("zfs set autobackup:test=false test_source1/fs1/subexcluded")
 
+        # only select parent
+        shelltest("zfs create test_source1/fs1/onlyparent")
+        shelltest("zfs create test_source1/fs1/onlyparent/child")
+        shelltest("zfs set autobackup:test=parent test_source1/fs1/onlyparent")
+
         # should be excluded by being unchanged
         shelltest("zfs create test_source1/fs1/unchanged")
         shelltest("zfs snapshot test_source1/fs1/unchanged@somesnapshot")
@@ -158,6 +163,7 @@ test_target1
 
         # basics
         self.assertEqual(s, """[(local): test_source1/fs1,
+ (local): test_source1/fs1/onlyparent,
  (local): test_source1/fs1/sub,
  (local): test_source2/fs2/sub]""")
 

zfs_autobackup/CliBase.py

@@ -10,7 +10,7 @@ class CliBase(object):
     Overridden in subclasses that add stuff for the specific programs."""
 
     # also used by setup.py
-    VERSION = "3.2-alpha2"
+    VERSION = "3.2-beta1"
     HEADER = "{} v{} - (c)2022 E.H.Eefting (edwin@datux.nl)".format(os.path.basename(sys.argv[0]), VERSION)
 
     def __init__(self, argv, print_arguments=True):

zfs_autobackup/ZfsDataset.py

@@ -131,7 +131,7 @@ class ZfsDataset:
             :type exclude_unchanged: bool
             :type min_change: bool
 
-            :param value: Value of the zfs property ("false"/"true"/"child"/"-")
+            :param value: Value of the zfs property ("false"/"true"/"child"/parent/"-")
             :param source: Source of the zfs property ("local"/"received", "-")
             :param inherited: True of the value/source was inherited from a higher dataset.
         """
@@ -142,7 +142,7 @@ class ZfsDataset:
             raise (Exception(
                 "{} autobackup-property has illegal source: '{}' (possible BUG)".format(self.name, source)))
 
-        if value not in ["false", "true", "child", "-"]:
+        if value not in ["false", "true", "child", "parent", "-"]:
             # user error
             raise (Exception(
                 "{} autobackup-property has illegal value: '{}'".format(self.name, value)))
@@ -155,6 +155,10 @@ class ZfsDataset:
         if value == "child" and not inherited:
             return False
 
+        # only select parent, no childs, ignore
+        if value == "parent" and inherited:
+            return False
+
         # manually excluded by property
         if value == "false":
             self.verbose("Excluded")