as it says in the title, i was going to install gogs server and this happened …
Now… i checked the website and the file “gogs_v0.9.141_raspi2.zip” is available …
https://github.com/Fourdee/DietPi/issues/833
Fix: https://github.com/Fourdee/DietPi/issues/833#issuecomment-289277491
thank you very much