$ git clone -n https://src.fedoraproject.org/rpms/kwrited.git /var/lib/mock/f40-build-2485564-61642/root/chroot_tmpdir/scmroot/kwrited
Cloning into '/var/lib/mock/f40-build-2485564-61642/root/chroot_tmpdir/scmroot/kwrited'...
$ git fetch origin 578491e36be7200fc09d28cceb6b809f327b4b08:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kwrited
 * [new ref]         578491e36be7200fc09d28cceb6b809f327b4b08 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 578491e 6.0.0