diff mercurial/match.py @ 38475:67dc32d4e790

cleanup: migrate from re.escape to stringutil.reescape

This has consistent behavior on Python 2.7, 3.6, and 3.7 and has the
benefit of probably being a little faster. Test output changes are
largely because / used to be pointlessly escaped.

Differential Revision: https://phab.mercurial-scm.org/D3842

--- a/mercurial/match.py	Tue Jun 26 10:33:52 2018 -0400
+++ b/mercurial/match.py	Tue Jun 26 10:36:23 2018 -0400
@@ -714,7 +714,7 @@
     >>> bprint(_globre(br'**/a'))
     (?:.*/)?a
     >>> bprint(_globre(br'a/**/b'))
-    a\/(?:.*/)?b
+    a/(?:.*/)?b
     >>> bprint(_globre(br'[a*?!^][^b][!c]'))
     [a*?!^][\^b][^c]
     >>> bprint(_globre(br'{a,b}'))
@@ -725,7 +725,7 @@
     i, n = 0, len(pat)
     res = ''
     group = 0
-    escape = util.re.escape
+    escape = util.stringutil.reescape
     def peek():
         return i < n and pat[i:i + 1]
     while i < n:
@@ -790,13 +790,13 @@
     if kind in ('path', 'relpath'):
         if pat == '.':
             return ''
-        return util.re.escape(pat) + '(?:/|$)'
+        return util.stringutil.reescape(pat) + '(?:/|$)'
     if kind == 'rootfilesin':
         if pat == '.':
             escaped = ''
         else:
             # Pattern is a directory name.
-            escaped = util.re.escape(pat) + '/'
+            escaped = util.stringutil.reescape(pat) + '/'
         # Anything after the pattern must be a non-directory.
         return escaped + '[^/]+$'
     if kind == 'relglob':