[PATCH] fix error: abort: path 'symlink/something' traverses symbolic link 'symlink'

[yozh at mx1.ru]

# HG changeset patch
# User Stepan Koltsov <stepancheg at yandex-team.ru>
# Date 1249826258 -14400
# Node ID 0babe001f432d5730952f6ba17f763a1511be2bf
# Parent  e3d3dad805f9f7c5f17c7a80cd659ecf25238ca1
fix error: abort: path 'symlink/something' traverses symbolic link 'symlink'
test included

diff -r e3d3dad805f9 -r 0babe001f432 mercurial/util.py
--- a/mercurial/util.py	Fri May 01 11:32:19 2009 +0200
+++ b/mercurial/util.py	Sun Aug 09 17:57:38 2009 +0400
@@ -345,7 +345,7 @@
     name = myname
     if not os.path.isabs(name):
         name = os.path.join(root, cwd, name)
-    name = os.path.normpath(name)
+    name = os.path.realpath(name)
     audit_path = path_auditor(root)
     if name != rootsep and name.startswith(rootsep):
         name = name[len(rootsep):]
diff -r e3d3dad805f9 -r 0babe001f432 tests/test-traverses-symlink
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test-traverses-symlink	Sun Aug 09 17:57:38 2009 +0400
@@ -0,0 +1,11 @@
+#!/bin/sh -e
+
+hg init repo
+cd repo
+mkdir -p src/main/scala/ru/yandex/mysqlDiff/util
+echo "package ru.yandex.mysqlDiff.util" > src/main/scala/ru/yandex/mysqlDiff/util/string.scala
+ln -s src/main/scala/ru/yandex/mysqlDiff s
+hg add s/util/string.scala
+hg diff --nodates s/util
+
+# vim: set ts=4 sw=4 et:
diff -r e3d3dad805f9 -r 0babe001f432 tests/test-traverses-symlink.out
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test-traverses-symlink.out	Sun Aug 09 17:57:38 2009 +0400
@@ -0,0 +1,5 @@
+diff -r 000000000000 src/main/scala/ru/yandex/mysqlDiff/util/string.scala
+--- /dev/null
++++ b/src/main/scala/ru/yandex/mysqlDiff/util/string.scala
+@@ -0,0 +1,1 @@
++package ru.yandex.mysqlDiff.util