Actually implementing this revealed a bunch of problems in my initial draft.

Currently translated at 5.4% (2 of 37 strings)

Translation: Tails/wiki/src/news/version_4.4.*.po
Translate-URL: http://translate.tails.boum.org/projects/tails/wikisrcnewsversion_44po/pt/

Currently translated at 3.0% (1 of 33 strings)

Translation: Tails/wiki/src/news/version_4.4.1.*.po
Translate-URL: http://translate.tails.boum.org/projects/tails/wikisrcnewsversion_441po/pt/

Currently translated at 84.8% (39 of 46 strings)

Translation: Tails/wiki/src/news/achievements_in_2019.*.po
Translate-URL: http://translate.tails.boum.org/projects/tails/wikisrcnewsachievements_in_2019po/fr/

Currently translated at 100.0% (1 of 1 strings)

Currently translated at 100.0% (19 of 19 strings)

Currently translated at 88.9% (8 of 9 strings)

Currently translated at 41.7% (5 of 12 strings)

Currently translated at 14.7% (14 of 95 strings)

Translation: Tails/wiki/src/doc/first_steps/additional_software.*.po
Translate-URL: http://translate.tails.boum.org/projects/tails/wikisrcdocfirst_stepsadditional_softwarepo/de/

Currently translated at 55.0% (11 of 20 strings)

Currently translated at 93.2% (41 of 44 strings)

Translation: Tails/wiki/src/about/staging/home.*.po
Translate-URL: http://translate.tails.boum.org/projects/tails/wikisrcaboutstaginghomepo/fr/

Currently translated at 85.9% (67 of 78 strings)

The production mirrors.json provides enough examples.

The script name was modified in:
https://git.tails.boum.org/puppet-tails/commit/?id=b8eac8c79aab489d553f3a939a7d3686f010c203