echo off

echo "This batch file will create a file containing the commit messages for all commits between and old and new tag in the development branch."

rem Handle some bad inputs
if "%1" == "/?" goto :myErrorFunc
if "%1" == "-?" goto :myErrorFunc
if "%1" == "-h" goto :myErrorFunc
if "%1" == "-help" goto :myErrorFunc
if "%~1"=="" goto :myErrorFunc

rem Checkout to update development branch
rem git checkout development

rem Request commital messages excluding merges between two tags and save to a file.
rem See stachoverflow: https://stackoverflow.com/questions/2541767/what-is-the-proper-way-to-test-if-a-parameter-is-empty-in-a-batch-file/2544545
git log --no-merges --pretty=format:"%%s" %1...%2 > %3
goto :end

:myErrorFunc
echo "This batch file should be run under any folder under the C_Sharp folder git repo."
echo "This batch file requires 3 parameters: OldTag NewTag OutputfileName."
echo "   OldTag: git tags from an old tag (e.g. TIPro_5.5.31)"
echo "   NewTag: git tags from an recent tag (e.g. TIPro_5.5.32)"
echo "   OutputfileName: name of output file (Change_Notes)"
echo "   Example: GetDevBranchCommitMessages.bat TIPro_5.5.10 TIPro_5.5.11 Change_Notes.txt"
exit /b 1

@REM ------------------------------------------------------------------------
:end
echo "Done, results in file %3."