From 75baee8523f62b75a0cf350a8360ce8f3e3c3695 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Thu, 8 Sep 2016 15:34:04 +0200
Subject: [PATCH] runInMachine: Support passAsFile

We need to rewrite attributes passed via files to their location in
/tmp/xchg in the VM. Otherwise functions like runCommand don't work.
---
 nixos/lib/testing.nix | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/nixos/lib/testing.nix b/nixos/lib/testing.nix
index 61b214bfba8..b177146a56b 100644
--- a/nixos/lib/testing.nix
+++ b/nixos/lib/testing.nix
@@ -157,9 +157,7 @@ rec {
         ${coreutils}/bin/mkdir -p $TMPDIR
         cd $TMPDIR
 
-        $origBuilder $origArgs
-
-        exit $?
+        exec $origBuilder $origArgs
       '';
 
       testScript = ''
@@ -172,9 +170,20 @@ rec {
       '';
 
       vmRunCommand = writeText "vm-run" ''
+        xchg=vm-state-client/xchg
         ${coreutils}/bin/mkdir $out
-        ${coreutils}/bin/mkdir -p vm-state-client/xchg
-        export > vm-state-client/xchg/saved-env
+        ${coreutils}/bin/mkdir -p $xchg
+
+        for i in $passAsFile; do
+          i2=''${i}Path
+          _basename=$(${coreutils}/bin/basename ''${!i2})
+          ${coreutils}/bin/cp ''${!i2} $xchg/$_basename
+          eval $i2=/tmp/xchg/$_basename
+          ${coreutils}/bin/ls -la $xchg
+        done
+        unset i i2 _basename
+
+        export > $xchg/saved-env
         export tests='${testScript}'
         ${testDriver}/bin/nixos-test-driver ${vm.config.system.build.vm}/bin/run-*-vm
       ''; # */