Add jira id to commit message

prepate-commit-msg.sh

#!/bin/sh

#
# Inspects branch name and checks if it contains a Jira ticket number (i.e. ABC-123).
# If yes, commit message will be automatically prepended with [ABC-123].
#
# Useful for looking through git history and relating a commit or group of commits
# back to a user story.
#
COMMIT_MSG_FILE=$1
COMMIT_SOURCE=$2
SHA1=$3

BRANCH_NAME=$(git rev-parse --abbrev-ref HEAD 2>/dev/null)


# Ensure BRANCH_NAME is not empty and is not in a detached HEAD state (i.e. rebase).
# SKIP_PREPARE_COMMIT_MSG may be used as an escape hatch to disable this hook,
# while still allowing other githooks to run.
if [ ! -z "$BRANCH_NAME" ] && [ "$BRANCH_NAME" != "HEAD" ] && [ "$SKIP_PREPARE_COMMIT_MSG" != 1 ]; then

    # Use sed to extract "SPAOP-1363"
    parsed_string=$(echo "$BRANCH_NAME" | sed 's/.*\///')

    # Use awk to further refine the result
    PREFIX_IN_COMMIT=$(echo "$parsed_string" | awk -F '-' '{print $1 "-" $2}')

    # Ensure PREFIX exists in BRANCH_NAME and is not already present in the commit message
    if [[ -n "$PREFIX" ]] && ! [[ $PREFIX_IN_COMMIT -ge 1 ]]; then
        sed -i.bak -e "1s~$~ [$PREFIX] ~" $1 #suffix
        # sed -i.bak -e "1s~^~[$PREFIX] ~" $1 #prefix
    fi
    echo  "$PREFIX_IN_COMMIT" >> "$COMMIT_MSG_FILE"

fi