From f6426bad3bfaee2618b98c7d308b6807cb71f9a5 Mon Sep 17 00:00:00 2001
From: Rob Vermaas <rob.vermaas@gmail.com>
Date: Wed, 5 Jan 2011 07:31:29 +0000
Subject: [PATCH] also add succeedOnFailure/keepBuildDirectory behaviour to
 source-tarball.nix

svn path=/nixpkgs/trunk/; revision=25400
---
 pkgs/build-support/release/source-tarball.nix | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/pkgs/build-support/release/source-tarball.nix b/pkgs/build-support/release/source-tarball.nix
index 35e07589363..afaea4ca2e0 100644
--- a/pkgs/build-support/release/source-tarball.nix
+++ b/pkgs/build-support/release/source-tarball.nix
@@ -68,6 +68,18 @@ stdenv.mkDerivation (
 
       eval "$postAutoconf"
     '';
+
+    failureHook = ''
+      if test -n "$succeedOnFailure"; then
+          if test -n "$keepBuildDirectory"; then
+              KEEPBUILDDIR="$out/`basename $TMPDIR`"
+              header "Copying build directory to $KEEPBUILDDIR"
+              ensureDir $KEEPBUILDDIR
+              cp -vR $TMPDIR/* $KEEPBUILDDIR
+              stopNest
+          fi
+      fi
+    '';
   }
 
   # Then, the caller-supplied attributes.