golang.req

#!/usr/bin/env ruby

def find_build_directory()

	path = "/home/abuild/rpmbuild/SOURCES"
	#path = `pwd`.gsub(/\n/,'')

	specfile = Dir.glob(path + "/*.spec")[0]

	pkgname = ""

	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

		end

	end

	build = Dir.glob("/home/abuild/rpmbuild/BUILD/*#{pkgname}*")[0]
	#build = Dir.glob(path + "/*#{pkgname}*/")[0]

	return build

end

def all_file(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

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

			else

				if ( d.index(".go") && ! d.index(/(test|example)/) ) then

					result << "#{dir}/#{d}"

				end

			end

		end

	end

	return result

end

def get_imports_list()

	build = find_build_directory()

	source = all_file(build)

	list,importlist = [],[]

	own = `/usr/lib/rpm/golang.prov`.split(/\n/)[0].gsub(/golang\(/,'').gsub(/\)[\s]+=.*/,'')
	#own = `./golang.prov`.split(/\n/)[0].gsub(/golang\(/,'').gsub(/\)[\s]+=.*/,'')

	source.each do |g|

		File.open(g,:encoding => "UTF-8") do |f|

			f.each_line do |l|

				# import should be the first word in a line, or it could be comment

				if l.index(/^import/) then

					if l.index(/({|\()/)then

						t = ""
	
						f.each_line do |l1|

							t = t + l1

							# we don't need that much, just a few lines, not whole text
							break if l1.index(/\)/)

						end

						imports = t.gsub(/(\n|\t)/,'').gsub(/(\)|}).*$/,'').split(/"/)

						imports.each do |i|

							# .com|.net|.org matches all URL, own strips its own url, [\s] (whitespace)
							# guarantees it doens't match a sentence like comments
							list << i if ( i.index(/(\.com|\.net|\.org|gopkg\.in)/) && ! i.index(own) && ! i.index(/[\s]/) )

						end

					else


						list << l.gsub(/import/,'').gsub(/"/,'').lstrip!.chomp!.gsub(/.*[\s]+/,'') if ( l.index(/(\.com|\.net|\.org)/) && ! l.index(own) )

					end

				end

			end

		end

	end

	unless list == nil then

		list.uniq.each do |l|

			importlist << "golang(" + l + ")"

		end

	end

	importlist << "golang(API) = 1.5"

	return importlist

end

puts get_imports_list()