Unify the version string to be displayed on "About Chromium" dialog.

chrome/tools/build/win/version.bat

 @echo off
 :: Copyright (c) 2009 The Chromium Authors. All rights reserved.
 :: Use of this source code is governed by a BSD-style license that can be
 :: found in the LICENSE file.
 
 :: Batch file run as build command for chrome_dll.vcproj
 
 setlocal
 
 set InFile=%~1
 set SolutionDir=%~2
 set IntDir=%~3
 set OutFile=%~4
+set LastChangeDir=%~5
 set VarsBat=%IntDir%/vers-vars.bat
 
 :: Put cygwin in the path
 call %SolutionDir%\..\third_party\cygwin\setup_env.bat
 
 :: Load version digits as environment variables
 cat %SolutionDir%\VERSION | sed "s/\(.*\)/set \1/" > %VarsBat%
 
 :: Load branding strings as environment variables
 set Distribution="chromium"
 if "%CHROMIUM_BUILD%" == "_google_chrome" set Distribution="google_chrome"
 cat %SolutionDir%app\theme\%Distribution%\BRANDING | sed "s/\(.*\)/set \1/" >> %VarsBat%
 
 set OFFICIAL_BUILD=0
 if "%CHROME_BUILD_TYPE%" == "_official" set OFFICIAL_BUILD=1
 
 :: Look if subversion client is available. It may not be available on Windows
 :: if downloaded with a tarball or depot_tools is not in the PATH.
 call svn --version 2>nul 1>nul
 :: If not available, just skip getting the revision number.
 if errorlevel 1 goto :NO_SVN
 goto :SET_ENV
 
-
 :NO_SVN
 :: Not having svn makes it impossible to determine the current checkout revision
 :: number. On normal build, this is not an issue but for official builds, this
 :: *can't* be tolerated so issue an error instead. VS will pick it up corectly.
 set NO_SVN_LEVEL=error
 if "%OFFICIAL_BUILD%" == "0" set NO_SVN_LEVEL=warning
-echo %0(28) : %NO_SVN_LEVEL% : svn is not installed. Can't determine the revision number.
-echo set LASTCHANGE=0 >> %VarsBat%
-goto :GEN_FILE
-
+echo %0(28) : %NO_SVN_LEVEL% : svn is not installed.
 
 :SET_ENV
-call svn info | grep.exe "Revision:" | cut -d" " -f2- | sed "s/\(.*\)/set LASTCHANGE=\1/" >> %VarsBat%
-goto :GEN_FILE
+python %LastChangeDir%\lastchange.py | sed "s/\(.*\)/set \1/" >> %VarsBat%
 
-
-:GEN_FILE
 call %VarsBat%
-::echo LastChange: %LASTCHANGE%
 :: output file
 cat %InFile% | sed "s/@MAJOR@/%MAJOR%/" ^
                   | sed "s/@MINOR@/%MINOR%/" ^
                   | sed "s/@BUILD@/%BUILD%/" ^
                   | sed "s/@PATCH@/%PATCH%/" ^
                   | sed "s/@COMPANY_FULLNAME@/%COMPANY_FULLNAME%/" ^
                   | sed "s/@COMPANY_SHORTNAME@/%COMPANY_SHORTNAME%/" ^
                   | sed "s/@PRODUCT_FULLNAME@/%PRODUCT_FULLNAME%/" ^
                   | sed "s/@PRODUCT_SHORTNAME@/%PRODUCT_SHORTNAME%/" ^
                   | sed "s/@PRODUCT_EXE@/%PRODUCT_EXE%/" ^
                   | sed "s/@COPYRIGHT@/%COPYRIGHT%/" ^
                   | sed "s/@OFFICIAL_BUILD@/%OFFICIAL_BUILD%/" ^
                   | sed "s/@LASTCHANGE@/%LASTCHANGE%/" > %OutFile%
 
 endlocal