golang.prov

#!/usr/bin/env ruby

def prepare()

	specfile = Dir.glob("/home/abuild/rpmbuild/SOURCES/*.spec")[0]
	#specfile = Dir.glob(`pwd`.gsub(/\n/,'') + "/*.spec")[0]

	importpath,pkgname,version = "","",""

	File.open(specfile) do |f|

		f.each_line do |l|

			build_found = 0

			if l.index(/Source(0)?:/) then

				unless l.index("%{name}") then

					pkgname = l.gsub(/Source(0)?:/,'').lstrip!.chomp!.gsub(/^.*\//,'').gsub(/-%.*$/,'')

					build_found = 1

				end

			end

                        if (build_found == 0 && l.index("Name:")) then

                                pkgname = l.gsub(/Name:/,'').lstrip!.chomp!.gsub(/^(go|golang)-/,'')

                        end

                        if l.index("Version:") then

                                version = l.gsub(/Version:/,'').lstrip!.chomp!

                        end

			found = 0

			if l.index(/%(define|global)[\s]+(import_path|importpath)/i) then

				importpath = l.gsub(/%(define|global)[\s]+(import_path|importpath)/i,'').lstrip!.chomp!.gsub(/"/,'').gsub(/"/,'')

				found = 1

			end

			if (found == 0 && l.index("%goprep")) then 

				importpath = l.gsub(/%goprep/,'').lstrip!.chomp!

				found = 1

			end

			if (found == 0 && l.index("Url:")) then

				importpath = l.gsub(/Url\:/,'').lstrip!.chomp!.gsub(/^(http|https)\:\/\//,'')

			end

		end

	end

        build = Dir.glob("/home/abuild/rpmbuild/BUILD/*#{pkgname}*")[0]
        #build = Dir.glob(`pwd`.gsub(/\n/,'') + "/*#{pkgname}*/")[0]

	importpath = importpath.gsub(/\/$/,'') if importpath.index(/\/$/)

	return importpath,build,version

end

def all_dir(dir="",result=nil)

	result = [] unless result

	Dir.entries(dir).each do |d|

		unless (d == "." || d == ".." || d.index("example") || d.index("test")) then

                        if File.directory?("#{dir}/#{d}") then

				result << "#{dir}/#{d}" if ! Dir["#{dir}/#{d}/*.go"].empty?

                                all_dir("#{dir}/#{d}",result)

                        end

		end

	end

	return result

end

def get_provides_list()

	importpath = prepare()[0]

	build = prepare()[1]

	version = prepare()[2]

	source,list = [],[]

	# all_dir return strings containing build, replace w/ importpath

	all_dir(build).each do |r|

		source << importpath + r.gsub(build,'')

	end

	list << "golang(" + importpath + ") = " + version

	source.each do |s|

		list << "golang(" + s + ") = " + version

	end

	return list

end

puts get_provides_list()