zfssnap: retain weekly

2 files changed, 3 insertions, 0 deletions

diff --git a/modules/zfssnap/default.nix b/modules/zfssnap/default.nix
index 451097b4..d1080e8a 100644
--- a/modules/zfssnap/default.nix
+++ b/modules/zfssnap/default.nix
@@ -49,6 +49,8 @@ in {
             "4h" = "24";
             "12h" = "12";
             daily = "62";
+            halfweekly = "32";
+            weekly = "24";
             monthly = "-1";
           };
         };
diff --git a/modules/zfssnap/zfssnap.py b/modules/zfssnap/zfssnap.py
index 857244f1..6d9bc6de 100644
--- a/modules/zfssnap/zfssnap.py
+++ b/modules/zfssnap/zfssnap.py
@@ -120,6 +120,7 @@ def prune(config, dry_run, keep_newest):
         ("4h", lambda t: (t.strftime('%Y-%m-%d'), floor(t.hour / 4) * 4)),
         ("12h", lambda t: (t.strftime('%Y-%m-%d'), floor(t.hour / 12) * 12)),
         ("daily", lambda t: t.strftime('%Y-%m-%d')),
+        ("halfweekly", lambda t: (t.strftime('%G-%V'), floor(int(t.strftime('%u')) / 4) * 4)),
         ("weekly", lambda t: t.strftime('%G-%V')),
         ("monthly", lambda t: t.strftime('%Y-%m')),
         ("yearly", lambda t: t.strftime('%Y')),