$ git clone -n https://src.fedoraproject.org/rpms/rcm.git /var/lib/mock/f41-build-side-1-2824911-33350/root/chroot_tmpdir/scmroot/rcm
Cloning into '/var/lib/mock/f41-build-side-1-2824911-33350/root/chroot_tmpdir/scmroot/rcm'...
$ git fetch origin 42bc7ee69edced99edea1499263a7a8e860fc3bb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rcm
 * [new ref]         42bc7ee69edced99edea1499263a7a8e860fc3bb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 42bc7ee Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild