$ git clone -n https://src.fedoraproject.org/rpms/kdelibs3.git /var/lib/mock/f40-build-2227326-53009/root/chroot_tmpdir/scmroot/kdelibs3
Cloning into '/var/lib/mock/f40-build-2227326-53009/root/chroot_tmpdir/scmroot/kdelibs3'...
$ git fetch origin ced4d06469b07a7e0c7007769fb1b8b10206f85a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kdelibs3
 * [new ref]         ced4d06469b07a7e0c7007769fb1b8b10206f85a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ced4d06 C compatibility fixes for CUPS support