$ git clone -n https://gitee.com/lvfeicaiji_admin/java-1.8.0-alibaba-dragonwell.git /var/lib/mock/dist-an8.9-build-394025-72119/root/chroot_tmpdir/scmroot/java-1.8.0-alibaba-dragonwell
Cloning into '/var/lib/mock/dist-an8.9-build-394025-72119/root/chroot_tmpdir/scmroot/java-1.8.0-alibaba-dragonwell'...
$ git reset --hard 964f6c6c60d9e21cd4ff597a2becff90355da6fb
HEAD is now at 964f6c6 update package to 8.19.20