bup: update to version 0.25-rc1-107-g96c6fa2 and drop -Werror to fix the build

  /nix/store/4jfqcb4mzh3vl08zgfh9ir46jii7rcb9-python-2.7.3/include/python2.7/modsupport.h:27:1: error: 'PyArg_ParseTuple' is an unrecognized format function type [-Werror=format=]
   PyAPI_FUNC(int) PyArg_ParseTuple(PyObject *, const char *, ...) Py_FORMAT_PARSETUPLE(PyArg_ParseTuple, 2, 3);
   ^
  cc1: all warnings being treated as errors

1 files changed, 20 insertions, 14 deletions

diff --git a/pkgs/tools/backup/bup/default.nix b/pkgs/tools/backup/bup/default.nix
index 7062053703e..bdc2f832ff3 100644
--- a/pkgs/tools/backup/bup/default.nix
+++ b/pkgs/tools/backup/bup/default.nix
@@ -6,26 +6,21 @@ assert par2Support -> par2cmdline != null;
 with stdenv.lib;
 
 stdenv.mkDerivation {
-  name = "bup-0.25git20121224";
+  name = "bup-0.25-rc1-107-g96c6fa2";
 
   src = fetchgit {
     url = "https://github.com/bup/bup.git";
-    sha256 = "f0e0c835ab83f00b28920d493e4150d2247113aad3a74385865c2a8c6f1ba7b8";
-    rev = "458e92da32ddd3c18fc1c3e52a76e9f0b48b832f";
+    rev = "96c6fa2a70425fff1e73d2e0945f8e242411ab58";
+    sha256 = "0d9hgyh1g5qcpdvnqv3a5zy67x79yx9qx557rxrnxyzqckp9v75n";
   };
 
-  nativeBuildInputs = [ pandoc perl makeWrapper ];
-
   buildInputs = [ python git ];
-
-  postInstall = optionalString (elem stdenv.system platforms.linux) ''
-    wrapProgram $out/bin/bup --prefix PYTHONPATH : \
-      ${stdenv.lib.concatStringsSep ":"
-          (map (path: "$(toPythonPath ${path})") [ pyxattr pylibacl setuptools fuse ])}
-  '';
+  nativeBuildInputs = [ pandoc perl makeWrapper ];
 
   patchPhase = ''
-    for f in cmd/* lib/tornado/* lib/tornado/test/* t/* wvtest.py main.py; do
+    substituteInPlace Makefile --replace "-Werror" ""
+    for f in "cmd/"* "lib/tornado/"* "lib/tornado/test/"* "t/"* wvtest.py main.py; do
+      test -f $f || continue
       substituteInPlace $f --replace "/usr/bin/env python" "${python}/bin/python"
     done
     substituteInPlace Makefile --replace "./format-subst.pl" "perl ./format-subst.pl"
@@ -33,6 +28,8 @@ stdenv.mkDerivation {
     substituteInPlace cmd/fsck-cmd.py --replace "['par2'" "['${par2cmdline}/bin/par2'"
   '';
 
+  dontAddPrefix = true;
+
   makeFlags = [
     "MANDIR=$(out)/share/man"
     "DOCDIR=$(out)/share/doc/bup"
@@ -40,11 +37,20 @@ stdenv.mkDerivation {
     "LIBDIR=$(out)/lib/bup"
   ];
 
+  postInstall = optionalString (elem stdenv.system platforms.linux) ''
+    wrapProgram $out/bin/bup --prefix PYTHONPATH : \
+      ${stdenv.lib.concatStringsSep ":"
+          (map (path: "$(toPythonPath ${path})") [ pyxattr pylibacl setuptools fuse ])}
+  '';
+
   meta = {
-    description = ''
+    homepage = "https://github.com/bup/bup";
+    description = "efficient file backup system based on the git packfile format";
+    license = stdenv.lib.licenses.gpl2Plus;
+
+    longDescription = ''
       Highly efficient file backup system based on the git packfile format.
       Capable of doing *fast* incremental backups of virtual machine images.
     '';
-    homepage = "https://github.com/bup/bup";
   };
 }