orig=$(git-unpack-file $1)
src1=$(git-unpack-file $2)
src2=$(git-unpack-file $3)
merge "$src2" "$orig" "$src1"
ret=$?
if [ "$6" != "$7" ]; then
orig=$(git-unpack-file $1)
src1=$(git-unpack-file $2)
src2=$(git-unpack-file $3)
merge "$src2" "$orig" "$src1"
ret=$?
if [ "$6" != "$7" ]; then