Possibilities for you:
a) you use GRASS GIS 7.8.2 which is fairly old. Please update as `g.extension` has been updated accordingly to use the new path in later versions (starting from GRASS GIS 7.8.6).
b) if that's not possible, you may edit your local `g.extension` file in `/usr/lib64/grass78/scripts/g.extension`, using the changes provided here: https://github.com/OSGeo/grass/pull/1762
The reason is that the GRASS GIS Addons repository has been restructured in 2021 to distinguish GRASS GIS 7 from the new version 8.
Hence,
`Downloading source code for <r.in.usgs> from <https:/ /github. com/OSGeo/ grass-addons/ trunk/grass7/ raster/ r.in.usgs>`
is no longer a valid path, the new path is:
https:/ /github. com/OSGeo/ grass-addons/ tree/grass7/ src/raster/ r.in.usgs
Possibilities for you: grass78/ scripts/ g.extension` , using the changes provided here: https:/ /github. com/OSGeo/ grass/pull/ 1762
a) you use GRASS GIS 7.8.2 which is fairly old. Please update as `g.extension` has been updated accordingly to use the new path in later versions (starting from GRASS GIS 7.8.6).
b) if that's not possible, you may edit your local `g.extension` file in `/usr/lib64/
See also:
https:/ /trac.osgeo. org/grass/ wiki/Release/ 7.8.6-News# Majormodulechan ges
- G78:g.extension: updated to match new addon repository structure (PR:1762)