A simple script that behaves like a filebucket but with git as a backend

git-filebucket

#!/usr/bin/ruby -w

require 'getoptlong'

class FileBucket
    def sum
        require 'digest/sha1'

        raise "Must specify file" unless file = ARGV.shift

        size = File.stat(file).size

        puts Digest::SHA1.hexdigest("blob " + size.to_s + "\0" + File.read(file))
    end

    def read
        raise "Must specify sum" unless sum = ARGV.shift
        print %x{git cat-file -p #{sum}}
    end

    def write
        raise "Must specify file" unless file = ARGV.shift

        IO.popen("git hash-object --stdin -w", "w") do |git|
            git.print File.read(file)
        end
    end
end

result = GetoptLong.new(
	[ "--help",		"-h",			GetoptLong::NO_ARGUMENT ]
)

result.each { |opt,arg|
	case opt
		when "--help"
			puts "There is no help yet"
			exit
		else
			raise "Invalid option '#{opt}'"
	end
}

command = ARGV.shift

bucket = FileBucket.new

unless bucket.respond_to?(command)
    raise ArgumentError, "No command '%s' command"
end

bucket.send(command)