$ git clone -n https://gitee.com/src-opencloudos-rpms/java-8-konajdk.git /var/lib/mock/dist-oc9-build-252695-84224/root/chroot_tmpdir/scmroot/java-8-konajdk
Cloning into '/var/lib/mock/dist-oc9-build-252695-84224/root/chroot_tmpdir/scmroot/java-8-konajdk'...
$ git fetch origin 2d2736960a23c508a2c38f3cf103b32a70496d0e:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/java-8-konajdk
 * [new ref]         2d2736960a23c508a2c38f3cf103b32a70496d0e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2d27369 import java-8-konajdk-8.0.27-2.tl4