[GRASS-git] [OSGeo/grass-addons] 661e80: Add backport_po.sh (#758)

[Huidae Cho]

  Branch: refs/heads/grass8
  Home:   https://github.com/OSGeo/grass-addons
  Commit: 661e809d5caed7d760ed12e7e4a42b3285eec0da
      https://github.com/OSGeo/grass-addons/commit/661e809d5caed7d760ed12e7e4a42b3285eec0da
  Author: Huidae Cho <grass4u at gmail.com>
  Date:   2022-06-01 (Wed, 01 Jun 2022)

  Changed paths:
    A utils/backport_po.sh

  Log Message:
  -----------
  Add backport_po.sh (#758)

* Add backport_po.sh

* Add more checkout checks

* Update utils/backport_po.sh

Co-authored-by: Markus Neteler <neteler at osgeo.org>

Co-authored-by: Markus Neteler <neteler at osgeo.org>