$ git clone -n https://src.fedoraproject.org/rpms/rust-strum0.21.git /var/lib/mock/f40-build-2643698-66490/root/chroot_tmpdir/scmroot/rust-strum0.21
Cloning into '/var/lib/mock/f40-build-2643698-66490/root/chroot_tmpdir/scmroot/rust-strum0.21'...
$ git fetch origin 0306f8b95a77bea5719c86569f08c0561a294cd2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-strum0.21
 * [new ref]         0306f8b95a77bea5719c86569f08c0561a294cd2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0306f8b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild