Average C from source experience: (copied from Kicad)
apt get long list of dependency
git clone
cd
cmake
make
sudo make install
rm -r .
Average Rust from source experience:
cargo install
Most of the time you should probably not install from source of possible.
Common, Russia didn't even try to cover it up with a false flag and a speech about shooting back since 5:45. It shouldn't be so hard to figure out who started it.