ctucx.git: nixfiles

machins/osterei/git: add gitolite option 'hooks.postReceive' (allows to add something to the post-receive hook from multiple places)

diff --git a/machines/osterei/git/default.nix b/machines/osterei/git/default.nix
@@ -49,6 +49,9 @@ let
 
 in {
 
+  imports = [
+    ./options.nix
+  ];
   age.secrets.restic-gitolite.file = ../../../secrets/osterei/restic/gitolite.age;
 
   restic-backups.gitolite = {

diff --git a/machines/osterei/git/options.nix b/machines/osterei/git/options.nix
@@ -0,0 +1,29 @@
+{ options, config, pkgs, lib, ... }:
+
+with lib;
+
+let
+  cfg = config.services.gitolite;
+
+in {
+
+  options = {
+    services.gitolite.hooks.postReceive = mkOption {
+      type = types.lines;
+      default = "";
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    services.gitolite.commonHooks = [ "${pkgs.writeShellScriptBin "post-receive" ''
+    read oldrev newrev ref
+    [ -t 0 ] || cat >/dev/null
+    [ -z "$GL_REPO" ] && die GL_REPO not set
+
+    ${cfg.hooks.postReceive}
+
+  ''}/bin/post-receive" ];
+
+  };
+
+}