# Pastebin iCRHu0mL
REV=$(< db/current)
OLDREV=$(($REV - 1))
SHARD=$(expr substr $REV 1 2)

rm -f db/revs/$SHARD/$REV
rm -f db/revprops/$SHARD/$REV
rm -f db/rep-cache.db

echo $OLDREV  > db/current

echo "Rolled $REV back to $OLDREV"
echo "svn propset -r 0 --revprop svn:sync-last-merged-rev $OLDREV file://$(pwd)"
echo "svn propdel -r 0 --revprop svn:sync-currently-copying file://$(pwd)"