$ git clone -n https://src.fedoraproject.org/rpms/kmailtransport.git /var/lib/mock/f42-build-863606-171716/root/chroot_tmpdir/scmroot/kmailtransport
Cloning into '/var/lib/mock/f42-build-863606-171716/root/chroot_tmpdir/scmroot/kmailtransport'...
$ git fetch origin 98a598eac6c86e9915a8b01027ba95439e38e829:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kmailtransport
 * [new ref]         98a598eac6c86e9915a8b01027ba95439e38e829 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 98a598e 24.12.0