creating tar after obtaining exported subversion directory

svn path=/nixpkgs/trunk/; revision=318

pkgs/fetchsvn/fetchsvn.fix

@@ -1,9 +1,10 @@
-Function(["name","url","rev"],
+Function(["name","url","dir","rev"],
   Package(
     [ ("name", Var("name"))
     , ("build", Relative("fetchsvn/fetchsvn.sh"))
-    , ("url", Var("url"))
-    , ("rev", Var("rev"))
+    , ("url",   Var("url"))
+    , ("dir",   Var("dir"))
+    , ("rev",   Var("rev"))
 
     , ("svn", Call(IncludeFix("subversion/subversion.fix"), 
         [ ("localServer", True)
@@ -11,7 +12,6 @@ Function(["name","url","rev"],
         , ("httpServer", True)
         , ("pythonBindings", True)
         ]))
-
     ]
   )
 )

pkgs/fetchsvn/fetchsvn.sh

@@ -1,5 +1,17 @@
 #! /bin/sh
 
-echo "exporting svn repository $url (at rev $rev) into $out..."
+set -e
 
-$svn/bin/svn export -r $rev $url $out || exit 1
+echo "exporting svn repository $url/$dir (at rev $rev) into $out..."
+
+svn export -r $rev $url/$dir $dir
+
+# touch bootstrapped sources because subversion doesn't sets the mtime of files
+# to checkout time, not to the last mtime in the repository.
+MTIME=`date +%Y%m%d%H%M.%S`
+echo "** INFO -- Modification time: $MTIME"
+find $dir -print | xargs touch -t $MTIME
+# end of touch
+
+mkdir $out
+tar zcf $out/$dir.tar.gz $dir