$ git clone -n https://src.fedoraproject.org/rpms/dragon.git /var/lib/mock/f40-build-2251208-54120/root/chroot_tmpdir/scmroot/dragon
Cloning into '/var/lib/mock/f40-build-2251208-54120/root/chroot_tmpdir/scmroot/dragon'...
$ git fetch origin 6796efb40d9c9ebfe003d7b00fe9dba32354d847:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dragon
 * [new ref]         6796efb40d9c9ebfe003d7b00fe9dba32354d847 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6796efb 24.01.90