Revert changeset ef1f1a4b2efb; add another test for glob: patterns

With that changeset, it's impossible to use a glob: pattern to match
e.g. all files ending in .py - glob:**.py would also match all files
in a directory called dir.py.

mercurial/util.py

@@ -427,7 +427,7 b' def _matcher(canonroot, cwd, names, inc,'
             if c in _globchars: return True
         return False
 
-    def regex(kind, name):
+    def regex(kind, name, tail):
         '''convert a pattern into a regular expression'''
         if not name:
             return ''
@@ -443,16 +443,16 b' def _matcher(canonroot, cwd, names, inc,'
             if name.startswith('^'):
                 return name
             return '.*' + name
-        return globre(name, '', '(?:/|$)')
+        return globre(name, '', tail)
 
-    def matchfn(pats):
+    def matchfn(pats, tail):
         """build a matching function from a set of patterns"""
         if not pats:
             return
         matches = []
         for k, p in pats:
             try:
-                pat = '(?:%s)' % regex(k, p)
+                pat = '(?:%s)' % regex(k, p, tail)
                 matches.append(re.compile(pat).match)
             except re.error:
                 if src: raise Abort("%s: invalid pattern (%s): %s" % (src, k, p))
@@ -500,15 +500,15 b' def _matcher(canonroot, cwd, names, inc,'
 
     roots, pats, anypats = normalizepats(names, dflt_pat)
 
-    patmatch = matchfn(pats) or always
+    patmatch = matchfn(pats, '$') or always
     incmatch = always
     if inc:
         dummy, inckinds, dummy = normalizepats(inc, 'glob')
-        incmatch = matchfn(inckinds)
+        incmatch = matchfn(inckinds, '(?:/|$)')
     excmatch = lambda fn: False
     if exc:
         dummy, exckinds, dummy = normalizepats(exc, 'glob')
-        excmatch = matchfn(exckinds)
+        excmatch = matchfn(exckinds, '(?:/|$)')
 
     if not names and inc and not exc:
         # common case: hgignore patterns

tests/test-walk

@@ -72,6 +72,7 b' debugwalk beans/.hg'
 #debugwalk `pwd`/beans
 #debugwalk `pwd`/..
 debugwalk glob:\*
+debugwalk 'glob:**e'
 debugwalk 're:.*[kb]$'
 debugwalk path:beans/black
 debugwalk path:beans//black

tests/test-walk.out

@@ -210,20 +210,14 b' hg debugwalk beans/.hg'
 beans/.hg: No such file or directory
 
 hg debugwalk glob:*
-f  beans/black                     beans/black
-f  beans/borlotti                  beans/borlotti
-f  beans/kidney                    beans/kidney
-f  beans/navy                      beans/navy
-f  beans/pinto                     beans/pinto
+f  fennel      fennel
+f  fenugreek   fenugreek
+f  fiddlehead  fiddlehead
+f  glob:glob   glob:glob
+
+hg debugwalk glob:**e
 f  beans/turtle                    beans/turtle
-f  fennel                          fennel
-f  fenugreek                       fenugreek
-f  fiddlehead                      fiddlehead
-f  glob:glob                       glob:glob
 f  mammals/Procyonidae/cacomistle  mammals/Procyonidae/cacomistle
-f  mammals/Procyonidae/coatimundi  mammals/Procyonidae/coatimundi
-f  mammals/Procyonidae/raccoon     mammals/Procyonidae/raccoon
-f  mammals/skunk                   mammals/skunk
 
 hg debugwalk re:.*[kb]$
 f  beans/black    beans/black