Bootstrap a Wordpress Trellis environment

bootstrap-trellis.sh

#!/bin/bash

################################################################################
#
# The MIT License (MIT)
#
# Copyright (c) 2015 Samuel Ortiz Reina (@iamsortiz)
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
#
################################################################################

################################################################################
#
#	README.md
#
# # Trellis helloworld bootstrap script
#
#	**Trellis: https://github.com/roots/trellis**
#
#	GIST URL: https://gist.github.com/iamsortiz/7a6e37ef87de1b15259a
#
# ## TODO
#
# * _provision_vagrant(): Test vagrant pluggins installation
# * _main(): Include provisioning (¿optional?)
#
################################################################################

################################################################################
#
#	CONFIG
#
################################################################################
TRELLIS_VERSION=0.9.3
BEDROCK_VERSION=1.5.3

################################################################################
#
#	MAIN FUNCTION
#
################################################################################
#[WIP]
function _main() {
	_checkout 'trellis' $TRELLIS_VERSION
	_checkout 'bedrock' $BEDROCK_VERSION
}

################################################################################
#
#	AUX FUNCTIONS
#
################################################################################

#/**
#* @summary Executes _main() on target folder and gets back to original folder
#* @param $1 {PATH} TARGET_FOLDER (default: $(pwd))
#*/
function _mainWrapper() {
	TARGET_FOLDER=${1:-$(pwd)} # [ATTRIBUTION] Bash default value for variable (from: http://stackoverflow.com/questions/2013547/assigning-default-values-to-shell-variables-with-a-single-command-in-bash)
	ORIGINAL_FOLDER=$(pwd)

	mkdir -p $TARGET_FOLDER
	cd $TARGET_FOLDER

	_main

	cd $ORIGINAL_FOLDER
}

function _checkout() {
	REPO=$1
	VERSION=$2

	ORIGINAL_FOLDER=$(pwd)

	echo "Cloning: $REPO"
	git clone git@github.com:roots/$REPO.git > /dev/null 2> /dev/null
	cd $REPO

	echo -e "\tversion: $VERSION"
	git checkout tags/$VERSION > /dev/null 2> /dev/null

	GITSTATUS=$(git status | head -n 1)
	echo -e "\tgitstatus: $GITSTATUS"

	rm -rf ./.git

	cd $ORIGINAL_FOLDER
}

################################################################################
#
#	PROVISIONING REQUIREMENTS
#
################################################################################

#[WIP]
function _provision_vagrant () {
	VAGRANT_VERSION=1.8.1
  #Debian 64 bit URL
	VAGRANT_DEB_URL="https://releases.hashicorp.com/vagrant/${VAGRANT_VERSION}/vagrant_${VAGRANT_VERSION}_x86_64.deb"
	PACKAGE='vagrant'

	echo "Provisioning package: $PACKAGE"

	INSTALLED=$(_provision_isDEBInstalled $PACKAGE)
	if [ "$INSTALLED" = false ]; then
		_provision_installDEB $VAGRANT_DEB_URL
		#vagrant plugin install vagrant-bindfs
		#vagrant plugin install vagrant-hostmanager
		echo "INSTALL"
	elif [ "$INSTALLED" = true ]; then
		echo -e '\t[DONE] Alredy installed'
		echo -e "\t$(dpkg -s vagrant | grep Version)"
	else
		error
	fi
}

# [ATTRIBUTION] "true false" based in: http://stackoverflow.com/questions/2953646/how-to-declare-and-use-boolean-variables-in-shell-script
function _provision_isDEBInstalled () {
	PACKAGE=$1

	if [ ! -z "$PACKAGE" ]; then

		CHECK_INSTALLED=$(dpkg -s $PACKAGE 2> /dev/null | grep 'Status: install ok installed')

		if [ ! -z "$CHECK_INSTALLED" ]; then
	    echo 'true'
		else
			echo 'false'
		fi

	else
		error 'Missing first parameter (package name)'
		echo 'null'
	fi
}

function _provision_installDEB () {
	DEB_URL=$1
	TEMPFILE="ERASEME.tmp.deb"
	curl $DEB_URL -o "$TEMPFILE"
	sudo dpkg -i $TEMPFILE
	rm $TEMPFILE
}

################################################################################
#
#	ERROR HANDLING
#
################################################################################

#/**
#* @summary Print to error output "alias"
#*/
# [ATTRIBUTION] Based in: http://stackoverflow.com/questions/2990414/echo-that-outputs-to-stderr
function echoerr () {
  >&2 echo -e $1
}

#/**
#* @summary Kills the script with debug data due a blocking error.
#*/
function error () {
	echoerr "[ERROR] $*"
	bashtrace
  exit 1
}

#/**
#* @summary Stacktrace for BASH
#*/
# [ATTRIBUTION] from: http://stackoverflow.com/questions/10707173/bash-parameter-quotes-and-eval/10707498#10707498
function bashtrace () {
  #echoerr "[$( caller )] $*"
	echoerr "Stacktrace:"

	# i=2 to skip last 2 calls to visualice just relevant data (assuming those 2 are this one and the error handler)
	# [ATTRIBUTION] bash array looping from: http://www.cyberciti.biz/faq/bash-for-loop-array/
	ARRLENGTH=${#BASH_SOURCE[@]}
	for ((i=2; i < $ARRLENGTH; i++)); do
		echoerr "\t${BASH_SOURCE[$i]}:${BASH_LINENO[$i]} at ${FUNCNAME[$i]}()"
	done
}

################################################################################
#
#	SELF EXECUTE
#
################################################################################
#_mainWrapper $@

_provision_vagrant