build_sln.rb

require 'optparse'

def process_command_args
	$options = {}

	opts = OptionParser.new 
	opts.banner = "Usage: build [options]"

	opts.on( "-r", "--release", "release configuration" ) do
		$options[:releaseconfig] = true
	end

	opts.on( "-d", "--debug", "debug config" ) do
		$options[:debugconfig] = true
	end

	opts.on( "-c", "--clean", "clean build" ) do
		$options[:clean] = true
	end
	
	opts.on("-h", "--help", "Display this screen") do
		puts opts
		exit
	end

	opts.parse(ARGV)	
	
	if ($options[:releaseconfig].nil? && $options[:debugconfig].nil?)
		puts "Red pill or blue, your choice. Try -d or -r.ac"
		puts opts
		exit
	end
	
	if ($options[:releaseconfig] && $options[:debugconfig])
		puts "Make up your mind: release OR debug, not both"
		puts opts
		exit
	end

end


def do_the_work
	if $options[:releaseconfig]
		$config= "release" 		
	end

	if $options[:debugconfig]
		$config = "debug" 		
	end
	
		
	$sln = Dir.glob("*.sln")
	if ($sln.length > 1)
		puts "More than one .sln file here. Can't figure it out, bailing."
		exit
	end
	
	$command = "msbuild " + $sln[0] + " /p:configuration=" + $config 
	
	if $options[:clean]
		$command += " /t:clean"
	end
	
	system($command)
	
end
process_command_args()
do_the_work()