✨ pretty print ✨ the PR title from current git branch

git-pr-title.sh

#! /bin/bash

# datetime
datetime=$(date +%d/%m/%Y)

# git branch name
branch_name=$(git rev-parse --abbrev-ref HEAD)

# for branches that follow the `<dir>/<ticket|NOJIRA>-<title>` naming convention and
# regex `(?<branch_dir>(\w+\/)+)?(?<ticket>(\w+-\d+)|(NOJIRA))[-//](?<title>(\w+-?)+)`
# e.g. `dev/TEST-123-The-short-title`, `dev/TEST-123/The-short-title`, `dev/NOJIRA-The-short-title`

# regex utils
d="[0-9]"
w="[a-zA-Z0-9_]"

branch_dir_regex="($w+\/)+"
ticket_regex=".*\/(($w+-$d+)|(NOJIRA))[-//].*"
title_regex=".*-$d+[-//](($w+-?)+)"

# regex matches using `sed`
branch_dir=$(sed -En "s/$branch_dir_regex/\1/p" <<< "$branch_name")
ticket=$(sed -En "s/$ticket_regex/\1/p" <<< "$branch_name")
full_title=$(sed -En "s/$title_regex/\1/p" <<< "$branch_name")
title=$(sed 's/-/ /g' <<< "$full_title") # replace all instances of '-' with ' ' in title

# output
echo "$datetime - $ticket - $title"