$ git clone -n https://gitee.com/wenyuzifang/shaderc.git /var/lib/mock/dist-an23-build-486750-74383/root/chroot_tmpdir/scmroot/shaderc
Cloning into '/var/lib/mock/dist-an23-build-486750-74383/root/chroot_tmpdir/scmroot/shaderc'...
$ git fetch origin c1775b5d7d966f70c8118aa548d8e79cc7fea8be:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/shaderc
 * [new ref]         c1775b5d7d966f70c8118aa548d8e79cc7fea8be -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c1775b5 Update code from upstream