$ git clone -n https://src.fedoraproject.org/rpms/rwho.git /var/lib/mock/f39-build-1559486-37324/root/chroot_tmpdir/scmroot/rwho
Cloning into '/var/lib/mock/f39-build-1559486-37324/root/chroot_tmpdir/scmroot/rwho'...
$ git fetch origin 7915e6df4b1fffa9e57237f286308a81ab071530:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rwho
 * [new ref]         7915e6df4b1fffa9e57237f286308a81ab071530 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7915e6d Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild