Custom git commit messages based on pivotal tracker

prepare-commit-msg

#!/bin/sh

COMMIT_MSG_FILE=$1
COMMIT_SOURCE=$2
SHA1=$3

COMMIT_MSG=$(cat "$COMMIT_MSG_FILE")

if [ -z "$BRANCHES_TO_SKIP" ]; then
  BRANCHES_TO_SKIP=(master develop main)
fi


BRANCH_NAME=$(git symbolic-ref --short HEAD)
TICKET_NAME=$(echo $BRANCH_NAME | grep -Eo "\d{1,10}")
echo $TICKET_NAME

if [[ -z "$TICKET_NAME" ]]; then
  echo "There is no ticket number in the branch, keeping the default one"
  exit 0
fi

if [[ -z "$COMMIT_SOURCE" ]]; then
  # There is NO message in the commit 
  echo "[#${TICKET_NAME}] "> "$COMMIT_MSG_FILE"
  echo "$COMMIT_MSG" >> "$COMMIT_MSG_FILE"
  exit 0
else
  # There is a message in the commit 
  if echo "$COMMIG_MSG" | grep -q "[#\w{9}]";then
    echo "There is a ticket number in the commit message"
    echo "Proceeding without modifying the commit message..."
    exit 0
  else
    echo "The commit does not have a ticket number"
    echo "Adding it based on the branch name"
    echo "[#${TICKET_NAME}] ${COMMIT_MSG}" > "$COMMIT_MSG_FILE"
  fi
fi