Gitのpre-push hook用スクリプト。git-nowコマンドと一緒に使うことを想定しています。

pre-push

#!/bin/sh

z40=0000000000000000000000000000000000000000

IFS=' '
while read local_ref local_sha remote_ref remote_sha
do
	if [ "$local_sha" = $z40 ]
	then
		# Handle delete
		:
	else
		if [ "$remote_sha" = $z40 ]
		then
			# New branch, examine all commits
			range="$local_sha"
		else
			# Update to existing branch, examine new commits
			range="$remote_sha..$local_sha"
		fi

		# Check for WIP commit
		commit=`git rev-list -n 1 --grep '^[from now]' "$range"`
		if [ -n "$commit" ]
		then
			echo "Found [from now] in $local_ref, not pushing"
			exit 1
		fi
	fi
done

exit 0