$ git clone -n https://gitee.com/happy_orange/java-1.8.0-alibaba-dragonwell.git /var/lib/mock/dist-an23-build-93420-45458/root/chroot_tmpdir/scmroot/java-1.8.0-alibaba-dragonwell
Cloning into '/var/lib/mock/dist-an23-build-93420-45458/root/chroot_tmpdir/scmroot/java-1.8.0-alibaba-dragonwell'...
$ git reset --hard cd53bbb167d8ee70ef53f2b38f4101f993af4947
HEAD is now at cd53bbb remove the system_jdk in 1.8.0