From 96f10e7e4955446246c60587a1e95a8b722f6570 Mon Sep 17 00:00:00 2001
From: Benjamin Andresen <bandresen@gmail.com>
Date: Wed, 11 Apr 2018 16:42:28 +0200
Subject: [PATCH] zfs.autoSnapshot: make `frequent` run every 15 mins

fixes bug that there is 30 minutes between hh:45 and hh:15 every hour.
---
 nixos/modules/tasks/filesystems/zfs.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nixos/modules/tasks/filesystems/zfs.nix b/nixos/modules/tasks/filesystems/zfs.nix
index 30c54ddd0e4e..50cf30cc48de 100644
--- a/nixos/modules/tasks/filesystems/zfs.nix
+++ b/nixos/modules/tasks/filesystems/zfs.nix
@@ -452,7 +452,7 @@ in
                               }) snapshotNames);
 
       systemd.timers = let
-                         timer = name: if name == "frequent" then "*:15,30,45" else name;
+                         timer = name: if name == "frequent" then "*:0,15,30,45" else name;
                        in builtins.listToAttrs (map (snapName:
                             {
                               name = "zfs-snapshot-${snapName}";