SVN Windows: allow edit of commit logs January 16, 2010at00:34

By default, SVN does not allow you to change commit messages. To enable that some times good some times bad feature, create a file named pre-revprop-change.bat and place it in the /repos/hooks folder of your svn central repo installation.

:: Set all parameters. Even though most are not used, in case you want to add
:: changes that allow, for example, editing of the author or addition of log messages.
set repository=%1
set revision=%2
set userName=%3
set propertyName=%4
set action=%5

:: Only allow the log message to be changed, but not author, etc.
if /I not “%propertyName%” == “svn:log” goto ERROR_PROPNAME

:: Only allow modification of a log message, not addition or deletion.
if /I not “%action%” == “M” goto ERROR_ACTION

:: Make sure that the new svn:log message is not empty.
set bIsEmpty=true
for /f “tokens=*” %%g in (‘find /V “”‘) do (
set bIsEmpty=false
if “%bIsEmpty%” == “true” goto ERROR_EMPTY

goto :eof

echo Empty svn:log messages are not allowed. >&2

echo Only changes to svn:log messages are allowed. >&2

echo Only modifications to svn:log revision properties are allowed. >&2

exit /b 1

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