From f25b36df3c93bed65cd8539aafd3c316fec22fe7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B8rn=20Forsman?= <bjorn.forsman@gmail.com>
Date: Mon, 2 Nov 2015 10:25:11 +0100
Subject: [PATCH] nixos/jenkins: force .war (re)extraction at start-up

Or else we might run stale Jenkins.
---
 .../services/continuous-integration/jenkins/default.nix      | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/nixos/modules/services/continuous-integration/jenkins/default.nix b/nixos/modules/services/continuous-integration/jenkins/default.nix
index 7a118ac7207..9bd511ad3ae 100644
--- a/nixos/modules/services/continuous-integration/jenkins/default.nix
+++ b/nixos/modules/services/continuous-integration/jenkins/default.nix
@@ -128,6 +128,11 @@ in {
 
       path = cfg.packages;
 
+      # Force .war (re)extraction, or else we might run stale Jenkins.
+      preStart = ''
+        rm -rf ${cfg.home}/war
+      '';
+
       script = ''
         ${pkgs.jdk}/bin/java -jar ${pkgs.jenkins} --httpPort=${toString cfg.port} ${concatStringsSep " " cfg.extraOptions}
       '';