$ git clone -n https://gitee.com/wenyuzifang/shaderc.git /var/lib/mock/dist-an23-build-464327-73881/root/chroot_tmpdir/scmroot/shaderc
Cloning into '/var/lib/mock/dist-an23-build-464327-73881/root/chroot_tmpdir/scmroot/shaderc'...
$ git fetch origin 6aa97d3e0008e600ed60a80cc6d0c908e6f5c49a:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/shaderc
 * [new ref]         6aa97d3e0008e600ed60a80cc6d0c908e6f5c49a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6aa97d3 Update code from upstream