$ git clone -n https://src.fedoraproject.org/rpms/kf6-kdbusaddons.git /var/lib/mock/f45-build-15028-466/root/chroot_tmpdir/scmroot/kf6-kdbusaddons
Cloning into '/var/lib/mock/f45-build-15028-466/root/chroot_tmpdir/scmroot/kf6-kdbusaddons'...
$ git fetch origin 631b754a25ee63a6ce4faf6e7fa6bf268b227f49:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kdbusaddons
 * [new ref]         631b754a25ee63a6ce4faf6e7fa6bf268b227f49 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 631b754 6.31.0