$ git clone -n https://src.fedoraproject.org/rpms/kf5-kpackage.git /var/lib/mock/f40-build-2165709-50976/root/chroot_tmpdir/scmroot/kf5-kpackage
Cloning into '/var/lib/mock/f40-build-2165709-50976/root/chroot_tmpdir/scmroot/kf5-kpackage'...
$ git fetch origin 131b1964ff7b1a5dae8fade3357c3ece56fcde6e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kpackage
 * [new ref]         131b1964ff7b1a5dae8fade3357c3ece56fcde6e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 131b196 5.113.0