Install RabbitVCS source branch

install-rabbitvcs-branch

#! /bin/bash

# CC0 To the extent possible under law, the person who associated CC0
# with this work has waived all copyright and related or neighboring
# rights to this work. https://creativecommons.org/publicdomain/zero/1.0/

# Required folders (must exist beforehand):
#  * Source code and script folders (see export statements below)
#  * Nautilus 3: ~/.local/share/nautilus/python-extensions
#  * CLI: /usr/bin (always exists)
#  * GEdit: ~/.local/share/gedit/plugins

# Out of scope for this script:
#  * Setting up folders above
#  * Keeping source code up-to-date

# Set customisable folder paths:
# Source code, cloned from GitHub
export SOURCE_FOLDER=~/Code/rabbitvcs
# User scripts location for RabbitVCS CLI (must be in .bashrc or equivalent)
export SCRIPT_FOLDER=~/Code/scripts

if [ "$1" = "--help" ] || [ -z $1 ] || [ "$2" ];
then

	# if "--help" is called, or too many or too few parameters given, display help
	echo "Install specified branch of RabbitVCS with Nautilus, Gedit and CLI clients."
	echo "(Assumes prerequisites are installed and target branch and folders exist.)"
	echo "Usage: install-rabbitvcs-branch <branch-name>"

else
	( # parentheses so that we return to original folder

		# install all prerequisites, even the obvious ones
		# (package names as used in Ubuntu 13.10)
		# (also triggers prompt for sudo password as soon as possible)
		sudo apt-get install gedit git hicolor-icon-theme ipython meld subversion python python-configobj python-dbus python-dulwich python-gobject python-gobject-2 python-gtk2 python-gtkspell python-nautilus python-simplejson python-support python-svn -qq && (

			# kill existing Nautilus and RabbitVCS processes (if they exist)
			pgrep -f nautilus && nautilus -q
			pgrep -f service.py && xargs kill

			# checkout requested branch
			cd $SOURCE_FOLDER && git checkout $1 && (

				# (re)install RabbitVCS library
				sudo python setup.py check && sudo python setup.py install && (

					# (re)install RabbitVCS clients
					echo "Installing RabbitVCS clients..."
					cp clients/nautilus-3.0/RabbitVCS.py ~/.local/share/nautilus/python-extensions
					cp clients/gedit/rabbitvcs-plugin.py ~/.local/share/gedit/plugins
					cp clients/gedit/rabbitvcs-gedit3.plugin ~/.local/share/gedit/plugins
					cp clients/cli/rabbitvcs $SCRIPT_FOLDER
					echo "done."
				)
			)
		)
	)
fi