$ git clone -n https://src.fedoraproject.org/rpms/compat-guile18.git /var/lib/mock/f31-build-91003-32037/root/chroot_tmpdir/scmroot/compat-guile18
Cloning into '/var/lib/mock/f31-build-91003-32037/root/chroot_tmpdir/scmroot/compat-guile18'...
$ git reset --hard 870ae048911ebad175df944ddf24772baa2fe7be
HEAD is now at 870ae04 Rebuild for readline 8.0