$ git clone -n https://src.fedoraproject.org/rpms/fmtools.git /var/lib/mock/f40-build-790466-136590/root/chroot_tmpdir/scmroot/fmtools
Cloning into '/var/lib/mock/f40-build-790466-136590/root/chroot_tmpdir/scmroot/fmtools'...
$ git fetch origin 2fab811fd1a6717f7b1173d6a6e023ca869e1ecb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fmtools
 * [new ref]         2fab811fd1a6717f7b1173d6a6e023ca869e1ecb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2fab811 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild