$ git clone -n https://src.fedoraproject.org/rpms/kolf.git /var/lib/mock/f40-build-1776991-24802/root/chroot_tmpdir/scmroot/kolf
Cloning into '/var/lib/mock/f40-build-1776991-24802/root/chroot_tmpdir/scmroot/kolf'...
$ git fetch origin a06751683a84a6a4b5eacca9b9abe0fe04a2538b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kolf
 * [new ref]         a06751683a84a6a4b5eacca9b9abe0fe04a2538b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a067516 24.05.2