From c1bf3bb0f2c9db522df039ebe47327822e4b8f18 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Fri, 12 Sep 2014 14:30:01 +0200
Subject: [PATCH] hydra-eval-jobs: Add --dry-run option

---
 src/c/hydra-eval-jobs.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/c/hydra-eval-jobs.cc b/src/c/hydra-eval-jobs.cc
index 0b414cef..e08124c1 100644
--- a/src/c/hydra-eval-jobs.cc
+++ b/src/c/hydra-eval-jobs.cc
@@ -11,6 +11,7 @@
 #include "xml-writer.hh"
 #include "get-drvs.hh"
 #include "common-opts.hh"
+#include "globals.hh"
 
 using namespace nix;
 
@@ -249,6 +250,8 @@ int main(int argc, char * * argv)
                 ;
             else if (*arg == "--gc-roots-dir")
                 gcRootsDir = getArg(*arg, arg, end);
+            else if (*arg == "--dry-run")
+                settings.readOnlyMode = true;
             else if (*arg != "" && arg->at(0) == '-')
                 return false;
             else