$ git clone -n https://gitee.com/src-opencloudos-rpms/shaderc.git /var/lib/mock/dist-oc9-build-59949-16463/root/chroot_tmpdir/scmroot/shaderc
Cloning into '/var/lib/mock/dist-oc9-build-59949-16463/root/chroot_tmpdir/scmroot/shaderc'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/shaderc
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a1e95db import shaderc-2023.3-2.tl4