From 26ee5592ac0d7c8dfcb70b73e40b4180264447e7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Motiejus=20Jak=C5=A1tys?= <motiejus@jakstys.lt>
Date: Thu, 26 Jan 2023 13:08:41 -0500
Subject: [PATCH] make-snapshot-dirs

---
 configuration.nix | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/configuration.nix b/configuration.nix
index d82cc3c..af80aed 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -335,9 +335,19 @@ in {
   };
 
   # TODO static snapshots
-  #systemd.services."make-snapshot-dirs" = {
-  #  requiredBy = 
-  #};
+  systemd.services."make-snapshot-dirs" = let
+    vals = builtins.attrValues backup_paths;
+    mountpoints = builtins.catAttrs "mountpoint" vals;
+    unique_mountpoints = lib.unique mountpoints;
+  in {
+    description = "prepare snapshot directories for backups";
+    wantedBy = ["multi-user.target"];
+    serviceConfig = {
+      Type = "oneshot";
+      ExecStart = builtins.map (d: "${pkgs.coreutils}/bin/mkdir -p ${d}/.snapshot-latest") unique_mountpoints;
+      RemainAfterExit = true;
+    };
+  };
 
   # Do not change
   system.stateVersion = "22.11";