$ git clone -n https://src.fedoraproject.org/rpms/kdesdk-kioslaves.git /var/lib/mock/f40-build-2241502-53664/root/chroot_tmpdir/scmroot/kdesdk-kioslaves
Cloning into '/var/lib/mock/f40-build-2241502-53664/root/chroot_tmpdir/scmroot/kdesdk-kioslaves'...
$ git fetch origin 873d1928dbfb981b8024f8c59aba23368cd2cbe2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kdesdk-kioslaves
 * [new ref]         873d1928dbfb981b8024f8c59aba23368cd2cbe2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 873d192 24.01.90