$ git clone -n https://src.fedoraproject.org/rpms/nomacs.git /var/lib/mock/f40-build-2317829-58188/root/chroot_tmpdir/scmroot/nomacs
Cloning into '/var/lib/mock/f40-build-2317829-58188/root/chroot_tmpdir/scmroot/nomacs'...
$ git fetch origin 64a112d71685ae3663d22fe0dc8172384954bc60:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nomacs
 * [new ref]         64a112d71685ae3663d22fe0dc8172384954bc60 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 64a112d Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild