unison tuning

modules/services/wifibackup/default.nix

@@ -3,29 +3,7 @@
   config,
   pkgs,
   ...
-}: let
-  mergeNmConnections = pkgs.writeShellApplication {
-    name = "merge-nmconnections";
-    text = ''
-      CURRENT1="$1"
-      CURRENT2="$2"
-      NEW="$3"
-      NEW1="$4"
-      NEW2="$5"
-
-      sed -i -E '/^(uuid|interface-name)=/d' "$CURRENT1"
-      sed -i -E '/^(uuid|interface-name)=/d' "$CURRENT2"
-
-      if cmp "$1" "$2"; then
-          mv "$CURRENT1" "$NEW"
-      else
-          mv "$CURRENT1" "$NEW1"
-          mv "$CURRENT2" "$NEW2"
-          exit 1
-      fi
-    '';
-  };
-in {
+}: {
   options.mj.services.wifibackup = with lib.types; {
     enable = lib.mkEnableOption "enable wifi code backups to M-Active";
     fromPath = lib.mkOption {
@@ -55,12 +33,14 @@ in {
           Type = "oneshot";
           User = "root";
           SuccessExitStatus = [0 1];
-          ExecStart = ''
-            ${pkgs.unison}/bin/unison \
+        };
+        script = ''
+          sed -i -E '/^(uuid|interface-name)=/d' ${fromPath}/*.nmconnection
+
+          exec ${pkgs.unison}/bin/unison \
               -sshcmd ${pkgs.openssh}/bin/ssh \
-                -sshargs "-i /etc/ssh/ssh_host_ed25519_key" \
+              -sshargs "-i /etc/ssh/ssh_host_ed25519_key -o KnownHostsCommand=\"${pkgs.coreutils}/bin/cat /etc/ssh/ssh_host_ed25519_key.pub\"" \
               -batch \
-                -merge "Name *.nmconnection -> ${mergeNmConnections}/bin/merge-nmconnections CURRENT1 CURRENT2 NEW NEW1 NEW2" \
               -backuploc local \
               -backup "Name *" \
               ${fromPath} \
@@ -68,5 +48,4 @@ in {
         '';
       };
     };
-    };
 }