$ git clone -n https://gitee.com/wanghuan158/java-1.8.0-alibaba-dragonwell.git /var/lib/mock/dist-an23-build-586817-98219/root/chroot_tmpdir/scmroot/java-1.8.0-alibaba-dragonwell
Cloning into '/var/lib/mock/dist-an23-build-586817-98219/root/chroot_tmpdir/scmroot/java-1.8.0-alibaba-dragonwell'...
$ git fetch origin 8e4395e1d56fb4bbda154ec673c51cfd59ce17fe:KOJI_FETCH_HEAD
From https://gitee.com/wanghuan158/java-1.8.0-alibaba-dragonwell
 * [new ref]         8e4395e1d56fb4bbda154ec673c51cfd59ce17fe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8e4395e update package to 8.29.28.492