old-salt-formula/salt/gitfs/gitpython.sls

{% from "salt/map.jinja" import salt_settings with context %}

{% if salt_settings.gitfs.gitpython.install_from_source %}

GitPython:
  pip.installed

{% else %}

python-git:
  pkg.installed:
    - name: {{ salt_settings['python_git'] }}

{% endif %}