Script to automate checking out a new git branch associated with a JIRA ticket, by parsing the ticket URL

gb-ticket.sh

#!/bin/bash

###############################################################################
# Script to create a new git branch for a  JIRA ticket, using the ticket URL. #
#                                                                             #
# Usage: gb-ticket.sh <ticket_url> <desc>                                     #
###############################################################################

# Require parameters and parse them
if [ $# -ne 2 ]; then
    echo "Usage: gb-ticket.sh <ticket_url> <desc>"
    exit 1
fi
url=$1
desc=$2

# Get username from git config
username=$(git config --get user.name)

# Parse project name and ticket number from URL
regex='^.*\/([A-Z]{3})-([0-9]+)\?.*$'
if [[ $url =~ $regex ]]; then
  project=${BASH_REMATCH[1]}
  ticket_number=${BASH_REMATCH[2]}
else
  echo "Error: Invalid URL"
  exit 1
fi

# Derive a new branch using the scheme: <username>/<project>-<ticket_number>/<desc>
branch=$username/$project-$ticket_number/$desc

# Checkout branch and push to remote
git checkout -b $branch && git push -u origin $branch
# Check for errors
if [ $? -eq 0 ]; then
    echo "Created branch $branch"
else
    echo "Error creating branch $branch"
fi