git-ticket

git-ticket

#!/bin/bash
set -eo pipefail

refspec="+refs/tickets/*:refs/tickets/*"

function default_remote {
	echo $(git config ticket.remote) || {
		>&2 echo "No remote specified and no default configured."
		>&2 echo "Run \`git ticket setup <REMOTE_NAME>\` to set a default remote."
		exit 1
	}
}

function current_branch {
	git rev-parse --abbrev-ref HEAD
}

function associate {
	url=$1
	branch=${2:-$(current_branch)}

	if [ -z "$url" ]; then
		>&2 echo "Please specify a ticket URL to associate with this branch"
		exit 1
	fi

	git hash-object -w --stdin <<< "$url" \
		| xargs git update-ref refs/tickets/${branch}

	echo "$branch -> $url"
}

function open {
	branch=${1:-$(current_branch)}

	object=$(git rev-parse refs/tickets/${branch} 2>/dev/null) || {
		>&2 echo "No ticket URL has been associated with this branch!"
		>&2 echo "Try a \`git ticket fetch\` and try again."
		exit 1
	}

	url=$(git cat-file -p $object)

	echo "Opening $url in your default browser"
	xdg-open $url >/dev/null & disown
}

function fetch {
	remote=${1:-$(default_remote)}
	git fetch $remote $refspec
}

function push {
	remote=${1:-$(default_remote)}
	git push $remote $refspec
}

function setup {
	remote=$1

	if [ -z "$remote" ]; then
		>&2 echo "Please specify a remote to fetch ticket refs from (e.g., 'origin')"
		exit 1
	fi

	git config ticket.remote $remote
	git config --add remote.${remote}.fetch $refspec
}

function invalid_subcommand {
	>&2 echo "$1 is not a valid git-ticket subcommand."
	>&2 usage
	exit 1
}

function usage {
	echo "Usage:"
	echo "  git ticket [open [BRANCH]]"
	echo "  git ticket setup <REMOTE>"
	echo "  git ticket associate <TICKET_URL> [BRANCH]"
	echo "  git ticket fetch [REMOTE]"
	echo "  git ticket push [REMOTE]"
	echo "  git ticket help"
}

if [ -z "$1" ]; then
	subcommand=open
else
	subcommand=$1
	shift
fi

case $subcommand in
	"open")
		open $@
		;;
	"setup")
		setup $@
		;;
	"associate")
		associate $@
		;;
	"fetch")
		fetch $@
		;;
	"push")
		push $@
		;;
	"help")
		usage
		;;
	*)
		invalid_subcommand
		;;
esac