$ git clone -n https://src.fedoraproject.org/rpms/kf5-kio.git /var/lib/mock/f39-build-1682890-41048/root/chroot_tmpdir/scmroot/kf5-kio
Cloning into '/var/lib/mock/f39-build-1682890-41048/root/chroot_tmpdir/scmroot/kf5-kio'...
$ git fetch origin b7eb8eec9934c947df8a40e4d03946d8bc9762b2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kio
 * [new ref]         b7eb8eec9934c947df8a40e4d03946d8bc9762b2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b7eb8ee 5.111.0