diff --git a/mercurial/util.py b/mercurial/util.py
--- a/mercurial/util.py
+++ b/mercurial/util.py
@@ -93,163 +93,6 @@ def find_in_path(name, path, default=Non
             return p_name
     return default
 
-def readgitpatch(patchname):
-    """extract git-style metadata about patches from <patchname>"""
-    class gitpatch:
-        "op is one of ADD, DELETE, RENAME, MODIFY or COPY"
-        def __init__(self, path):
-            self.path = path
-            self.oldpath = None
-            self.mode = None
-            self.op = 'MODIFY'
-            self.copymod = False
-            self.lineno = 0
-    
-    # Filter patch for git information
-    gitre = re.compile('diff --git a/(.*) b/(.*)')
-    pf = file(patchname)
-    gp = None
-    gitpatches = []
-    # Can have a git patch with only metadata, causing patch to complain
-    dopatch = False
-
-    lineno = 0
-    for line in pf:
-        lineno += 1
-        if line.startswith('diff --git'):
-            m = gitre.match(line)
-            if m:
-                if gp:
-                    gitpatches.append(gp)
-                src, dst = m.group(1,2)
-                gp = gitpatch(dst)
-                gp.lineno = lineno
-        elif gp:
-            if line.startswith('--- '):
-                if gp.op in ('COPY', 'RENAME'):
-                    gp.copymod = True
-                    dopatch = 'filter'
-                gitpatches.append(gp)
-                gp = None
-                if not dopatch:
-                    dopatch = True
-                continue
-            if line.startswith('rename from '):
-                gp.op = 'RENAME'
-                gp.oldpath = line[12:].rstrip()
-            elif line.startswith('rename to '):
-                gp.path = line[10:].rstrip()
-            elif line.startswith('copy from '):
-                gp.op = 'COPY'
-                gp.oldpath = line[10:].rstrip()
-            elif line.startswith('copy to '):
-                gp.path = line[8:].rstrip()
-            elif line.startswith('deleted file'):
-                gp.op = 'DELETE'
-            elif line.startswith('new file mode '):
-                gp.op = 'ADD'
-                gp.mode = int(line.rstrip()[-3:], 8)
-            elif line.startswith('new mode '):
-                gp.mode = int(line.rstrip()[-3:], 8)
-    if gp:
-        gitpatches.append(gp)
-
-    if not gitpatches:
-        dopatch = True
-
-    return (dopatch, gitpatches)
-
-def dogitpatch(patchname, gitpatches):
-    """Preprocess git patch so that vanilla patch can handle it"""
-    pf = file(patchname)
-    pfline = 1
-
-    fd, patchname = tempfile.mkstemp(prefix='hg-patch-')
-    tmpfp = os.fdopen(fd, 'w')
-
-    try:
-        for i in range(len(gitpatches)):
-            p = gitpatches[i]
-            if not p.copymod:
-                continue
-
-            if os.path.exists(p.path):
-                raise Abort(_("cannot create %s: destination already exists") %
-                            p.path)
-
-            (src, dst) = [os.path.join(os.getcwd(), n)
-                          for n in (p.oldpath, p.path)]
-
-            print "copying %s to %s" % (src, dst)
-            targetdir = os.path.dirname(dst)
-            if not os.path.isdir(targetdir):
-                os.makedirs(targetdir)
-            try:
-                shutil.copyfile(src, dst)
-                shutil.copymode(src, dst)
-            except shutil.Error, inst:
-                raise Abort(str(inst))
-
-            # rewrite patch hunk
-            while pfline < p.lineno:
-                tmpfp.write(pf.readline())
-                pfline += 1
-            tmpfp.write('diff --git a/%s b/%s\n' % (p.path, p.path))
-            line = pf.readline()
-            pfline += 1
-            while not line.startswith('--- a/'):
-                tmpfp.write(line)
-                line = pf.readline()
-                pfline += 1
-            tmpfp.write('--- a/%s\n' % p.path)
-
-        line = pf.readline()
-        while line:
-            tmpfp.write(line)
-            line = pf.readline()
-    except:
-        tmpfp.close()
-        os.unlink(patchname)
-        raise
-
-    tmpfp.close()
-    return patchname
-
-def patch(strip, patchname, ui, cwd=None):
-    """apply the patch <patchname> to the working directory.
-    a list of patched files is returned"""
-
-    (dopatch, gitpatches) = readgitpatch(patchname)
-
-    files = {}
-    if dopatch:
-        if dopatch == 'filter':
-            patchname = dogitpatch(patchname, gitpatches)
-        patcher = find_in_path('gpatch', os.environ.get('PATH', ''), 'patch')
-        args = []
-        if cwd:
-            args.append('-d %s' % shellquote(cwd))
-        fp = os.popen('%s %s -p%d < %s' % (patcher, ' '.join(args), strip,
-                                           shellquote(patchname)))
-
-        if dopatch == 'filter':
-            False and os.unlink(patchname)
-
-        for line in fp:
-            line = line.rstrip()
-            ui.status("%s\n" % line)
-            if line.startswith('patching file '):
-                pf = parse_patch_output(line)
-                files.setdefault(pf, (None, None))
-        code = fp.close()
-        if code:
-            raise Abort(_("patch command failed: %s") % explain_exit(code)[0])
-
-    for gp in gitpatches:
-        files[gp.path] = (gp.op, gp)
-
-    return files
-
 def binary(s):
     """return true if a string is binary data using diff's heuristic"""
     if s and '\0' in s[:4096]: