$ git clone -n https://src.fedoraproject.org/rpms/khangman.git /var/lib/mock/f40-build-2433149-60688/root/chroot_tmpdir/scmroot/khangman
Cloning into '/var/lib/mock/f40-build-2433149-60688/root/chroot_tmpdir/scmroot/khangman'...
$ git fetch origin b98799cba5ec3689705e8f2ccf5345436d9faefa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/khangman
 * [new ref]         b98799cba5ec3689705e8f2ccf5345436d9faefa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b98799c 24.01.95