$ git clone -n https://src.fedoraproject.org/rpms/R-fortunes.git /var/lib/mock/f40-build-2032393-47692/root/chroot_tmpdir/scmroot/R-fortunes
Cloning into '/var/lib/mock/f40-build-2032393-47692/root/chroot_tmpdir/scmroot/R-fortunes'...
$ git fetch origin 276956b5bb83d534f6903ac116b2abd75e23567a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-fortunes
 * [new ref]         276956b5bb83d534f6903ac116b2abd75e23567a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 276956b Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild