util: remove lexists, Python 2.4 introduced os.path.lexists

mercurial/cmdutil.py

@@ -297,7 +297,7 b' def addremove(repo, pats=[], opts={}, dr'
             unknown.append(abs)
             if repo.ui.verbose or not exact:
                 repo.ui.status(_('adding %s\n') % ((pats and rel) or abs))
-        elif repo.dirstate[abs] != 'r' and (not good or not util.lexists(target)
+        elif repo.dirstate[abs] != 'r' and (not good or not os.path.lexists(target)
             or (os.path.isdir(target) and not os.path.islink(target))):
             deleted.append(abs)
             if repo.ui.verbose or not exact:

mercurial/commands.py

@@ -3166,7 +3166,7 b' def revert(ui, repo, *pats, **opts):'
             target = repo.wjoin(abs)
             def handle(xlist, dobackup):
                 xlist[0].append(abs)
-                if dobackup and not opts.get('no_backup') and util.lexists(target):
+                if dobackup and not opts.get('no_backup') and os.path.lexists(target):
                     bakname = "%s.orig" % rel
                     ui.note(_('saving current version of %s as %s\n') %
                             (rel, bakname))

mercurial/merge.py

@@ -282,7 +282,7 b' def applyupdates(repo, action, wctx, mct'
 
     # remove renamed files after safely stored
     for f in moves:
-        if util.lexists(repo.wjoin(f)):
+        if os.path.lexists(repo.wjoin(f)):
             repo.ui.debug("removing %s\n" % f)
             os.unlink(repo.wjoin(f))
 
@@ -320,7 +320,7 b' def applyupdates(repo, action, wctx, mct'
                 else:
                     merged += 1
             util.set_flags(repo.wjoin(fd), 'l' in flags, 'x' in flags)
-            if f != fd and move and util.lexists(repo.wjoin(f)):
+            if f != fd and move and os.path.lexists(repo.wjoin(f)):
                 repo.ui.debug("removing %s\n" % f)
                 os.unlink(repo.wjoin(f))
         elif m == "g": # get

mercurial/patch.py

@@ -918,7 +918,7 b' def selectfile(afile_orig, bfile_orig, h'
     nulla = afile_orig == "/dev/null"
     nullb = bfile_orig == "/dev/null"
     abase, afile = pathstrip(afile_orig, strip)
-    gooda = not nulla and util.lexists(afile)
+    gooda = not nulla and os.path.lexists(afile)
     bbase, bfile = pathstrip(bfile_orig, strip)
     if afile == bfile:
         goodb = gooda

mercurial/util.py

@@ -431,15 +431,6 b' def checksignature(func):'
 
     return check
 
-# os.path.lexists is not available on python2.3
-def lexists(filename):
-    "test whether a file with this name exists. does not follow symlinks"
-    try:
-        os.lstat(filename)
-    except:
-        return False
-    return True
-
 def unlink(f):
     """unlink and remove the directory if it is empty"""
     os.unlink(f)