# frozen_string_literal: true

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/
      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”