$ git clone -n https://src.fedoraproject.org/rpms/m1n1.git /var/lib/mock/f40-build-1835729-24951/root/chroot_tmpdir/scmroot/m1n1
Cloning into '/var/lib/mock/f40-build-1835729-24951/root/chroot_tmpdir/scmroot/m1n1'...
$ git fetch origin d145488598ece26fb31deb4406f19d08f2d0e471:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/m1n1
 * [new ref]         d145488598ece26fb31deb4406f19d08f2d0e471 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d145488 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild