$ git clone -n https://src.fedoraproject.org/rpms/kf5-kparts.git /var/lib/mock/f39-build-1666159-40769/root/chroot_tmpdir/scmroot/kf5-kparts
Cloning into '/var/lib/mock/f39-build-1666159-40769/root/chroot_tmpdir/scmroot/kf5-kparts'...
$ git fetch origin fcc1470a30def1a08510ed682b8dfca1447a3705:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kparts
 * [new ref]         fcc1470a30def1a08510ed682b8dfca1447a3705 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fcc1470 5.111.0