verify release merge

prepare-commit-msg

#!/bin/sh

# Pre-merge hook that lists all commits and asks you if you really want to 
# merge them in. For release branches only. 

case $2 in
    merge)
        branch=$(grep -o "release/[0-9]\.[0-9]" $1)
        if [[ ! -z $branch ]]
        then
            echo "Merging the following commits from branch $branch:"
            git log ..$branch
            exec < /dev/tty
            while true; do
                read -p "Are you sure you want to merge? (Y/n) " yn
                if [ "$yn" = "" ]; then
                    yn='Y'
                fi
                case $yn in
                    [Yy] ) exit;;
                    [Nn] ) exit 1;;
                    * ) echo "Please answer y or n for yes or no.";;
                esac
            done
            exec <&-
        fi
        ;;
esac