code: def merge_commit(commit):
      "Fetches the latest code and merges up the specified commit."
      with cd(env.path):
          run('git fetch')
          if '@' in commit:
              branch, commit = commit.split('@')
              run('git checkout {0}'.format(branch))
          run('git merge {0}'.format(commit)f merge_commit(commit):
      "Fetches the latest code and merges up the specified commit."
      with cd(env.path):
          run('git fetch')
          if '@' in commit:
              branch, commit = commit.split('@')
              run('git checkout {0}'.format(branch))
          run('git merge {0}'.format(commit))
docs: Fetches the latest code and merges up the specified commit.