$ git clone -n https://src.fedoraproject.org/rpms/kbruch.git /var/lib/mock/f40-build-2192836-51471/root/chroot_tmpdir/scmroot/kbruch
Cloning into '/var/lib/mock/f40-build-2192836-51471/root/chroot_tmpdir/scmroot/kbruch'...
$ git fetch origin 582fd9ec95658970f474f43c96517dfdb6cc2686:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kbruch
 * [new ref]         582fd9ec95658970f474f43c96517dfdb6cc2686 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 582fd9e 24.01.85