unstable -> s 2 shack-drivedroid

shared/2configs/shack-drivedroid.nix

@@ -1,6 +1,30 @@
-{ pkgs, lib, ... }:
-
+{ pkgs, lib, config, ... }:
+let
+  repodir = "/var/srv/drivedroid";
+  srepodir = lib.shell.escape repodir;
+in
 {
+  systemd.paths.drivedroid = {
+    wantedBy = [ "multi-user.target" ];
+    Description = "triggers for changes in drivedroid dir";
+    pathConfig = {
+      PathModified = repodir;
+    };
+  };
+
+  systemd.services.drivedroid = {
+    ServiceConfig = {
+      ExecStartPre = pkgs.writeScript "prepare-drivedroid-repo-gen" ''
+        #!/bin/sh
+        mkdir -p ${srepodir}/repos
+      '';
+      ExecStart = pkgs.writeScript "start-drivedroid-repo-gen" ''
+        #!/bin/sh
+        {pkgs.drivedroid-gen-repo}/bin/drivedroid-gen-repo --chdir "${srepodir}" repos/ > "${srepodir}/main.json"
+      '';
+    };
+  };
+
   krebs.nginx = {
     enable = lib.mkDefault true;
     servers = {
@@ -8,7 +32,7 @@
         server-names = [ "drivedroid.shack" ];
         # TODO: prepare this somehow
         locations = lib.singleton (lib.nameValuePair "/" ''
-          root /var/srv/drivedroid;
+          root ${repodir};
           index main.json;
         '');
       };