Using capistrano to deploy from different git branches

Question

I am using capistrano to deploy a RoR application. The codebase is in a git repository, and branching is widely used in development. Capistrano uses deploy.rb f

Answer 1

For capistrano 3 users:

desc "prompt for branch or tag"
task :git_branch_or_tag do
  on roles(:all) do |host|
    run_locally do
      execute :git, 'tag'
      tag_prompt = "Enter a branch or tag name to deploy"
      ask(:branch_or_tag, tag_prompt)
      tag_branch_target = fetch(:branch_or_tag, 'master')
      set(:branch, tag_branch_target)
    end
  end
end

before 'deploy:updated',  :git_branch_or_tag