$ git clone -n https://gitee.com/wenyuzifang/shaderc.git /var/lib/mock/dist-an23-build-466172-73955/root/chroot_tmpdir/scmroot/shaderc
Cloning into '/var/lib/mock/dist-an23-build-466172-73955/root/chroot_tmpdir/scmroot/shaderc'...
$ git fetch origin e7bdfa4f33f35f11f1a3d05048b4cfc55c430fcb:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/shaderc
 * [new ref]         e7bdfa4f33f35f11f1a3d05048b4cfc55c430fcb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e7bdfa4 Update code from upstream