git/git-commit-script

#!/bin/sh
: ${GIT_DIR=.git}
PARENTS="HEAD"
if [ -f $GIT_DIR/MERGE_HEAD ]; then
	echo "#"
	echo "# It looks like your may be committing a MERGE."
	echo "# If this is not correct, please remove the file"
	echo "#	$GIT_DIR/MERGE_HEAD"
	echo "# and try again"
	echo "#"
	PARENTS="HEAD -p MERGE_HEAD"
fi > .editmsg
git-status-script >> .editmsg
if [ "$?" != "0" ]
then
	cat .editmsg
	exit 1
fi
${VISUAL:-${EDITOR:-vi}} .editmsg
grep -v '^#' < .editmsg | git-stripspace > .cmitmsg
[ -s .cmitmsg ] || exit 1
tree=$(git-write-tree) || exit 1
commit=$(cat .cmitmsg | git-commit-tree $tree -p $PARENTS) || exit 1
echo $commit > $GIT_DIR/HEAD
rm -f -- $GIT_DIR/MERGE_HEAD