Automagically add the JIRA branch name to the commit message

commitmsg.sh

#!/bin/sh
# Add "commitmsg": "./commitmsg.sh ${GIT_PARAMS}" to your package.json and use Husky to add it as a githook

TICKET=$(git symbolic-ref HEAD | rev | cut -d/ -f1 | rev | grep -o -E "[A-Z]+-[0-9]+")
if [ -n "${TICKET}" ]; then
    # sed -e "1s/^/[${TICKET}] /" $1
    echo -n "[$TICKET]"' '|cat - "$1" > /tmp/out && mv /tmp/out "$1"
fi