$ git clone -n https://gitee.com/wanghuan158/java-1.8.0-alibaba-dragonwell.git /var/lib/mock/dist-an8.10-build-584543-96904/root/chroot_tmpdir/scmroot/java-1.8.0-alibaba-dragonwell
Cloning into '/var/lib/mock/dist-an8.10-build-584543-96904/root/chroot_tmpdir/scmroot/java-1.8.0-alibaba-dragonwell'...
$ git fetch origin 1f70314b06993c494c0afbd5c5493f7e2a8d881d:KOJI_FETCH_HEAD
From https://gitee.com/wanghuan158/java-1.8.0-alibaba-dragonwell
 * [new ref]         1f70314b06993c494c0afbd5c5493f7e2a8d881d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1f70314 update to 8.29.28_jdk8u492