Integrating windows hosted SVN with hall, logs and diffs provided with WEBSVN

For posterity

SET PATH=%PATH%;E:\svn;E:\curl\bin;E:\bin

SET REPOS="%1"
SET REV=%2

SET HALLROOM=put Group API Token here
SET WEBSVNHOST=https://YOUR_URL_HERE/revision.php?repname=REPONAME
SET PATHTOMATCH=trunk

REM HALL INTEGRATION

svnlook author %REPOS% --revision %REV%> E:\temp\svnlook%REV%_USER
SET /P SVN_USERNAME=<E:\temp\svnlook%REV%_USER
del E:\temp\svnlook%REV%_USER

svnlook log %REPOS% --revision %REV%> E:\temp\svnlook%REV%_LOG
SET /P SVN_COMMIT_MESSAGE=<E:\temp\svnlook%REV%_LOG
del E:\temp\svnlook%REV%_LOG

svnlook dirs-changed %REPOS% --revision %REV%> E:\temp\svnlook%REV%_CHANGED
SET /P SVN_COMMIT_DIRECTORY=<E:\temp\svnlook%REV%_CHANGED

SET SVNMESSAGE=Revision : %REV% - %SVN_USERNAME% - %SVN_COMMIT_MESSAGE%

grep -E "%PATHTOMATCH%" E:\temp\svnlook%REV%_CHANGED
if "%ERRORLEVEL%"=="0" curl -X POST -H "Content-Type: application/json" -d "{\"title\":\"SVN Commit\",\"message\":\"%SVNMESSAGE%^<br^> ^<a href="%WEBSVNHOST%&path=%%2F&rev=%REV%"^>Inspect Log^</a^>\"}" https://hall.com/api/1/services/generic/%HALLROOM%

del E:\temp\svnlook%REV%_CHANGED