$ git clone -n https://gitee.com/lvfeicaiji_admin/java-1.8.0-alibaba-dragonwell.git /var/lib/mock/dist-an23-build-333396-69630/root/chroot_tmpdir/scmroot/java-1.8.0-alibaba-dragonwell
Cloning into '/var/lib/mock/dist-an23-build-333396-69630/root/chroot_tmpdir/scmroot/java-1.8.0-alibaba-dragonwell'...
$ git fetch origin a135e506786015f8d26658a69fa8fdbccffc3b3b:KOJI_FETCH_HEAD
From https://gitee.com/lvfeicaiji_admin/java-1.8.0-alibaba-dragonwell
 * [new ref]         a135e506786015f8d26658a69fa8fdbccffc3b3b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a135e50 Remove all patches