$ git clone -n https://src.fedoraproject.org/rpms/kf6-kio.git /var/lib/mock/f42-build-side-1-3584773-46896/root/chroot_tmpdir/scmroot/kf6-kio
Cloning into '/var/lib/mock/f42-build-side-1-3584773-46896/root/chroot_tmpdir/scmroot/kf6-kio'...
$ git fetch origin 2c04cede7991b96189731d08052640c2ea4dcb3c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kio
 * [new ref]         2c04cede7991b96189731d08052640c2ea4dcb3c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2c04ced 6.16.0