$ git clone -n https://gitee.com/src-opencloudos-rpms/java-8-konajdk.git /var/lib/mock/dist-oc9-build-125628-75158/root/chroot_tmpdir/scmroot/java-8-konajdk
Cloning into '/var/lib/mock/dist-oc9-build-125628-75158/root/chroot_tmpdir/scmroot/java-8-konajdk'...
$ git fetch origin 40dfc4a5de005517e898e9c48374424147de1d5d:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/java-8-konajdk
 * [new ref]         40dfc4a5de005517e898e9c48374424147de1d5d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 40dfc4a import java-8-konajdk-8.0.21-1.tl4