Git Hooks

prepare-commit-msg

#!/bin/sh
#
# Adapted from original source: https://bitbucket.org/snippets/atlassian/qedp7d
# Docs: https://git-scm.com/docs/githooks

# git prepare-commit-msg hook for automatically prepending an issue key
# from the start of the current branch name to commit messages.

COMMIT_MSG_FILE=$1 # $1 is the file name containing log message
COMMIT_SOURCE=$2 # $2 is the commit message source (message | template | squash | commit)
SHA1=$3 # $3 is the commit SHA-1

# Check a commit ammend
if [ $COMMIT_SOURCE = "merge" ] || [ $COMMIT_SOURCE = "commit" ]; then
    exit
fi

# Ex.) feature/TICKET-1234
# - ISSUE_KEY = "TICKET-1234"
ISSUE_KEY=`git branch | grep -o "\* \(.*/\)*[A-Z]\{2,\}-[0-9]\+" | grep -o "[A-Z]\{2,\}-[0-9]\+"`

# If no issue key in branch, use the default message
if [ -z $ISSUE_KEY ]; then
    exit
fi

# Issue key matched from branch prefix
# Prepend ticket ID to commit message
sed -i -e "1s/^/$ISSUE_KEY: /" $COMMIT_MSG_FILE