Capistrano tasks to show git diff and log between local and remote environments

gistfile1.builder

namespace :git do
  desc 'Shows a Git diff between the current version on server and latest on HEAD'
  task :diff_pending do
    local_sha = `git rev-parse --verify HEAD`
    remote_sha = capture("cd #{current_path}; git rev-parse --verify HEAD")
    puts `git diff #{remote_sha.strip} #{local_sha.strip}`
  end

  desc 'Shows a Git log between the current version on server and latest on HEAD'
  task :log_pending do
    local_sha = `git rev-parse --verify HEAD`
    remote_sha = capture("cd #{current_path}; git rev-parse --verify HEAD")
    puts `git log #{remote_sha.strip}..#{local_sha.strip}`
  end
end