$ git clone -n https://gitee.com/src-opencloudos-rpms/java-8-konajdk.git /var/lib/mock/dist-oc9-build-118291-69191/root/chroot_tmpdir/scmroot/java-8-konajdk
Cloning into '/var/lib/mock/dist-oc9-build-118291-69191/root/chroot_tmpdir/scmroot/java-8-konajdk'...
$ git fetch origin 4a9b0ef9a6778fe0df7f603ef1e413e985021dd0:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/java-8-konajdk
 * [new ref]         4a9b0ef9a6778fe0df7f603ef1e413e985021dd0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4a9b0ef import java-8-konajdk-8.0.19-1.tl4