WebKitTools:

WebKitTools:

        Reviewed by Darin.

        - fix http://bugzilla.opendarwin.org/show_bug.cgi?id=9875
          Teach svn-apply and svn-unapply to use patch(1) for additions and deletions

        * Scripts/svn-apply:
        (addDirectoriesIfNeeded): Don't try to add a directory that's already in svn.
        (checksum): Added.
        (patch): Use patch(1) for non-binary additions and deletions.
        * Scripts/svn-unapply:
        (checksum): Added.
        (patch): Use patch(1) for reverting non-binary additions and deletions.
        (revertDirectories): Don't try to revert a directory that hasn't changed in svn.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@15477 268f45cc-cd09-0410-ab3c-d52691b4dbfc