Git hook which get's issue id to each commit message

prepare-commit-message

#!/bin/bash

# This way you can customize which branches should be skipped when
# prepending commit message.
if [ -z "$BRANCHES_TO_SKIP" ]; then
  BRANCHES_TO_SKIP=(master development)
fi

BRANCH_NAME=$(git symbolic-ref --short HEAD)
[[ "$BRANCH_NAME" =~ ((XX|xx){1}-[0-9]+) ]] && BRANCH_NAME=${BASH_REMATCH[1]}

BRANCH_EXCLUDED=$(printf "%s\n" "${BRANCHES_TO_SKIP[@]}" | grep -c "^$BRANCH_NAME$")
BRANCH_IN_COMMIT=$(grep -c "\$BRANCH_NAME "$1)

if [ -n "$BRANCH_NAME" ] && ! [[ $BRANCH_EXCLUDED -eq 1 ]] && ! [[ $BRANCH_IN_COMMIT -ge 1 ]]; then
  sed -i.bak -e "1s/^/$BRANCH_NAME /" $1
fi