namespace :git do namespace :tag do desc "List tags from the Git repository" task :list do tags = `git tag -l` tags.gsub!("\r", "") tags = tags.split("\n").sort {|a, b| b <=> a } puts tags.join("\n") end desc "Create a new tag in the Git repository" task :create do changelog = File.open("CHANGELOG.md", "r") { |file| file.read } puts "-" * 80 puts changelog puts "-" * 80 puts v = ENV["VERSION"] or abort "Must supply VERSION=x.y.z" abort "Versions don't match #{v} vs #{PKG_VERSION}" if v != PKG_VERSION git_status = `git status` if git_status !~ /nothing to commit \(working directory clean\)/ abort "Working directory isn't clean." end tag = "#{PKG_NAME}-#{PKG_VERSION}" msg = "Release #{PKG_NAME}-#{PKG_VERSION}" existing_tags = `git tag -l #{PKG_NAME}-*`.split('\n') if existing_tags.include?(tag) warn("Tag already exists, deleting...") unless system "git tag -d #{tag}" abort "Tag deletion failed." end end puts "Creating git tag '#{tag}'..." unless system "git tag -a -m \"#{msg}\" #{tag}" abort "Tag creation failed." end end end end task "gem:release" => "git:tag:create"