Set git commit log to :release_notes in Capistrano

gistfile1.rb

namespace :show do
  desc "Show some internal Cap-Fu: What's mah NAYM?!?"
  task :me do
    set :task_name, task_call_frames.first.task.fully_qualified_name
  
    local_sha = `git rev-parse --verify HEAD`
    remote_sha = capture("cd #{current_path}; git rev-parse --verify HEAD")
    git_log = `git log #{remote_sha.strip}..#{local_sha.strip}`
    puts git_log
    set :release_notes, git_log
  end
end