$ git clone -n https://src.fedoraproject.org/rpms/compat-guile18.git /var/lib/mock/f31-build-98071-33021/root/thebuilddir/tmp/scmroot/compat-guile18
Cloning into '/var/lib/mock/f31-build-98071-33021/root/thebuilddir/tmp/scmroot/compat-guile18'...
$ git reset --hard 986b5171c8548c8a81e3b5225af4ca943bcbd762
HEAD is now at 986b517 1735045 - compat-guile18: FTBFS in Fedora rawhide/f31