From d34d95ec3ed4230faa2dc9dd90938e9991dd73d7 Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Mon, 17 Apr 2017 15:59:27 +0200
Subject: shared shack-drivedroid: cleanup

---
 shared/2configs/shack-drivedroid.nix | 27 ++++++++++++++++-----------
 1 file changed, 16 insertions(+), 11 deletions(-)

(limited to 'shared/2configs/shack-drivedroid.nix')

diff --git a/shared/2configs/shack-drivedroid.nix b/shared/2configs/shack-drivedroid.nix
index 07fcffa42..12e4a39c3 100644
--- a/shared/2configs/shack-drivedroid.nix
+++ b/shared/2configs/shack-drivedroid.nix
@@ -1,8 +1,7 @@
 { config, pkgs, ... }:
 with import <stockholm/lib>;
 let
-  repodir = "/var/srv/drivedroid";
-  srepodir = shell.escape repodir;
+  root = "/var/srv/drivedroid";
 in
 {
   environment.systemPackages = [ pkgs.drivedroid-gen-repo ];
@@ -15,28 +14,34 @@ in
       ];
       # TODO: prepare this somehow
       locations."/".extraConfig = ''
-        root ${repodir};
+        root ${root};
         index main.json;
       '';
     };
   };
 
-  systemd.services.drivedroid = {
+  systemd.services.drivedroid-gen-repo = {
     description = "generates drivedroid repo file";
-    restartIfChanged = true;
+    path = [
+      pkgs.coreutils
+      pkgs.drivedroid-gen-repo
+      pkgs.inotify-tools
+    ];
     wantedBy = [ "multi-user.target" ];
 
     serviceConfig = {
       Type = "simple";
       Restart = "always";
-      ExecStartPre = pkgs.writeScript "prepare-drivedroid-gen-repo" ''
-        #!/bin/sh
-        mkdir -p ${srepodir}/repos
+      ExecStartPre = pkgs.writeDash "prepare-drivedroid-gen-repo" ''
+        mkdir -p ${root}/repos
       '';
-      ExecStart = pkgs.writeScript "start-drivedroid-gen-repo" ''
-        #!/bin/sh
+      ExecStart = pkgs.writeDash "start-drivedroid-gen-repo" ''
+        set -efu
+        cd ${root}
         while sleep 60; do
-          ${pkgs.inotify-tools}/bin/inotifywait -r ${srepodir} && ${pkgs.drivedroid-gen-repo}/bin/drivedroid-gen-repo --chdir "${srepodir}" repos/ > "${srepodir}/main.json"
+          if inotifywait -r .; then
+            drivedroid-gen-repo repos > main.json
+          fi
         done
       '';
     };
-- 
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