Git Commit Hook to enforce User to have JIRA or BUG ID and commit should start with ID. Copy the script to *.git/hooks/* fodler

commit-msg.sh

#!/bin/sh

# echo -e command takes color code 
#  \e[32m -- Green
#  \e[31m -- Red
#  \e[0m -- Reset/Normal Color

GREEN="\e[32m"
RED="\e[31m"
ENDCOLOR="\e[0m"
export MESSAGE=$(<$1)

# Issue example, JIRA-0001, BUG-0001 and so on..
# Commit Message should start with ISSUE ID
export ISSUE_TAG='^([A-Z]+)-([0-9]+)'

if [[ $MESSAGE =~ $ISSUE_TAG ]]; then
  echo -e "${GREEN}Good, Commit has Ticket Number and Valid format!!!${ENDCOLOR}"
  echo
  exit 0;
fi

echo -e "${RED}Oh Buddy... Commit does not have Ticket Number or Not in Valid format !!!${ENDCOLOR}"
exit 1;