@echo off
set SVNLOOK="C:\Program Files\VisualSVN Server\bin\svnlook.exe"
setlocal
set REPOS=%1
set TXN=%2
rem check that logmessage contains at least 10 characters
svnlook log %REPOS% -t %TXN% | findstr "......" > nul
if %errorlevel% gtr 0 goto err
exit 0
:err
echo Upload failed!! Please add comments. Commit aborted! 1>&2
exit 1
least 10 characters：标识最少10个字符.