$ git clone -n https://src.fedoraproject.org/rpms/R-prettyunits.git /var/lib/mock/f40-build-2322012-58625/root/chroot_tmpdir/scmroot/R-prettyunits
Cloning into '/var/lib/mock/f40-build-2322012-58625/root/chroot_tmpdir/scmroot/R-prettyunits'...
$ git fetch origin 73c0c6595147614be7056f23e55d35ee52af0d95:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-prettyunits
 * [new ref]         73c0c6595147614be7056f23e55d35ee52af0d95 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 73c0c65 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild