svn --version

@if exist repo rd /q/s repo
@if exist wc rd /q/s wc

svnadmin create repo
md wc

set REPOS=file:///%~dp0repo
set REPOS=%REPOS:\=/%

svn co %REPOS% wc
md wc\trunk
md wc\branch
echo sample >> wc\trunk\sample.txt
echo sample >> wc\branch\sample.txt
svn add wc\trunk wc\branch
svn ci wc -m"1"

echo sample >> wc\branch\sample.txt
svn ci wc -m"2"

svn merge %REPOS%/branch@1 %REPOS%/branch@2 wc\trunk
svn ci wc -m"3"
svn cat %REPOS%/trunk/sample.txt

svn rm wc/branch/sample.txt
svn ci wc -m"4"

svn merge %REPOS%/branch@3 %REPOS%/branch@4 wc\trunk
@if exist wc\trunk\sample.txt echo     ***** file should be gone
svn revert wc\trunk\sample.txt
echo sample >> wc\trunk\sample.txt
svn merge %REPOS%/branch@3 %REPOS%/branch@4 wc\trunk
@if not exist wc\trunk\sample.txt echo     ***** file with mods should stay
svn ci wc -m"5"

echo sample >> wc\trunk\sample.txt
svn merge --force --dry-run %REPOS%/branch@3 %REPOS%/branch@4 wc\trunk
@if not exist wc\trunk\sample.txt echo     ***** file should stay
svn merge --force %REPOS%/branch@3 %REPOS%/branch@4 wc\trunk
svn ci wc -m"6"
@if exist wc\trunk\sample.txt echo      ***** file should be gone