fixup "git-export" directory names

All tested to build.
For freetalk the hash change seems unrelated to fetchgit changes.

FIXME: it might be suitable to adapt nix-prefetch-git.

pkgs/tools/misc/ipxe/default.nix

@@ -16,7 +16,7 @@ stdenv.mkDerivation {
     inherit rev;
   };
 
-  sourceRoot = "git-export/src";
+  preConfigure = "cd src";
 
   makeFlags =
     [ "ECHO_E_BIN_ECHO=echo" "ECHO_E_BIN_ECHO_E=echo" # No /bin/echo here.

pkgs/tools/misc/ldapvi/default.nix

@@ -12,11 +12,8 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ openldap openssl popt glib ncurses readline pkgconfig cyrus_sasl autoconf automake ];
 
-  setSourceRoot = ''
-    sourceRoot=git-export/ldapvi
-  '';
- 
   preConfigure = ''
+    cd ldapvi
     ./autogen.sh
   '';
 

pkgs/tools/misc/mdbtools/git.nix

@@ -9,7 +9,6 @@ stdenv.mkDerivation {
     url = "http://github.com/brianb/mdbtools.git";
     rev = "9ab40e83e6789015c965c92bdb62f92f8cdd0dbd";
     sha256 = "18j1a9y9xhl7hhx30zvmx2n4w7dc8c7sdr6722sf3mh5230mvv59";
-    name = "mdbtools-git-export";
   };
 
   buildInputs = [

pkgs/tools/misc/pipelight/default.nix

@@ -33,10 +33,10 @@ let
       postPatch = ''
         export wineDir=$(pwd)
         patchShebangs $wineDir/tools/
-	chmod u+w $wineDir/../git-export/debian/tools/
-        patchShebangs $wineDir/../git-export/debian/tools/
-        chmod -R +rwx ../git-export/
-        make -C ../git-export/patches DESTDIR=$wineDir install
+        chmod u+w $wineDir/../${wine_patches.name}/debian/tools/
+        patchShebangs $wineDir/../${wine_patches.name}/debian/tools/
+        chmod -R +rwx ../${wine_patches.name}/
+        make -C ../${wine_patches.name}/patches DESTDIR=$wineDir install
       '';
     });