--- a/mercurial/ignore.py	Fri Jul 03 18:10:58 2015 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,113 +0,0 @@
-# ignore.py - ignored file handling for mercurial
-#
-# Copyright 2007 Matt Mackall <mpm@selenic.com>
-#
-# This software may be used and distributed according to the terms of the
-# GNU General Public License version 2 or any later version.
-
-from i18n import _
-import util, match
-import re
-
-_commentre = None
-
-def ignorepats(lines):
-    '''parse lines (iterable) of .hgignore text, returning a tuple of
-    (patterns, parse errors). These patterns should be given to compile()
-    to be validated and converted into a match function.'''
-    syntaxes = {'re': 'relre:', 'regexp': 'relre:', 'glob': 'relglob:'}
-    syntax = 'relre:'
-    patterns = []
-    warnings = []
-
-    for line in lines:
-        if "#" in line:
-            global _commentre
-            if not _commentre:
-                _commentre = re.compile(r'((^|[^\\])(\\\\)*)#.*')
-            # remove comments prefixed by an even number of escapes
-            line = _commentre.sub(r'\1', line)
-            # fixup properly escaped comments that survived the above
-            line = line.replace("\\#", "#")
-        line = line.rstrip()
-        if not line:
-            continue
-
-        if line.startswith('syntax:'):
-            s = line[7:].strip()
-            try:
-                syntax = syntaxes[s]
-            except KeyError:
-                warnings.append(_("ignoring invalid syntax '%s'") % s)
-            continue
-        pat = syntax + line
-        for s, rels in syntaxes.iteritems():
-            if line.startswith(rels):
-                pat = line
-                break
-            elif line.startswith(s+':'):
-                pat = rels + line[len(s) + 1:]
-                break
-        patterns.append(pat)
-
-    return patterns, warnings
-
-def readpats(root, files, warn):
-    '''return a dict mapping ignore-file-name to list-of-patterns'''
-
-    pats = {}
-    for f in files:
-        if f in pats:
-            continue
-        try:
-            pats[f] = []
-            fp = open(f)
-            pats[f], warnings = ignorepats(fp)
-            fp.close()
-            for warning in warnings:
-                warn("%s: %s\n" % (f, warning))
-        except IOError, inst:
-            if f != files[0]:
-                warn(_("skipping unreadable ignore file '%s': %s\n") %
-                     (f, inst.strerror))
-    return [(f, pats[f]) for f in files if f in pats]
-
-def ignore(root, files, warn):
-    '''return matcher covering patterns in 'files'.
-
-    the files parsed for patterns include:
-    .hgignore in the repository root
-    any additional files specified in the [ui] section of ~/.hgrc
-
-    trailing white space is dropped.
-    the escape character is backslash.
-    comments start with #.
-    empty lines are skipped.
-
-    lines can be of the following formats:
-
-    syntax: regexp # defaults following lines to non-rooted regexps
-    syntax: glob   # defaults following lines to non-rooted globs
-    re:pattern     # non-rooted regular expression
-    glob:pattern   # non-rooted glob
-    pattern        # pattern of the current default type'''
-
-    pats = readpats(root, files, warn)
-
-    allpats = []
-    for f, patlist in pats:
-        allpats.extend(patlist)
-    if not allpats:
-        return util.never
-
-    try:
-        ignorefunc = match.match(root, '', [], allpats)
-    except util.Abort:
-        # Re-raise an exception where the src is the right file
-        for f, patlist in pats:
-            try:
-                match.match(root, '', [], patlist)
-            except util.Abort, inst:
-                raise util.Abort('%s: %s' % (f, inst[0]))
-
-    return ignorefunc