packExtension.rb

#!/usr/bin/ruby

require 'fileutils'
require 'open3'

def syscall(*cmd)
	begin
		# puts "Syscall: #{cmd}"
		stdout, stderr, status = Open3.capture3(*cmd)
		if status.success?
			return
		else
			return stdout.slice!(0..-(1 + $/.size)) # strip trailing eol
		end
	rescue
		return "Error with command: #{cmd}"
	end
end

chromeCLI = "/Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome"

currentDirectory = File.expand_path(File.dirname(__FILE__))
chromeBuildDirectory = File.expand_path(currentDirectory + "/src")
crxPath = chromeBuildDirectory + ".crx"
buildsFolder = File.expand_path(currentDirectory + "/build")

if File.exists?(crxPath)
	puts "Removing old CRX build."
	FileUtils.rm(crxPath)
end

if File.exists?(buildsFolder) == false
	puts "Creating builds folder #{buildsFolder}."
	FileUtils.mkdir_p(buildsFolder)
end


pemPath = File.expand_path(currentDirectory + "/tabulater.pem")
command = "\"#{chromeCLI}\" --pack-extension=\"#{chromeBuildDirectory}\" --pack-extension-key=\"#{pemPath}\" --no-message-box";

puts "Building CRX file"

status = syscall(command);
if status
	puts "Failed to generate Chrome Extension crx: #{status}"
	exit;
end

if File.exists?(crxPath) == false
	puts "CRX build failed"
	exit;
end

timeLabel = Time.now.strftime("%Y%m%d_%H%M%S")

baseName = "tabulater_chrome"

# zip
zipFilepath = File.expand_path(buildsFolder + "/#{baseName}.zip");
puts "Building zip #{zipFilepath}"

Dir.chdir(chromeBuildDirectory) do
	system "zip -rq \"#{zipFilepath}\" ./ -x \"*/.*\""
end

filename = "#{baseName}.crx"
destinationFilepath = File.expand_path(buildsFolder + "/#{filename}");

puts "Moving CRX file to #{destinationFilepath}";
FileUtils.mv crxPath, destinationFilepath

if File.exists?(destinationFilepath)
	puts "Finished build"
	system "open -R \"#{destinationFilepath}\""
else
	puts "Build error!"
	exit;
end