$ git clone -n https://git.cclinux.org/stage/rpms/shaderc.git /var/lib/mock/dist-circle9-build-120560-85239/root/chroot_tmpdir/scmroot/shaderc
Cloning into '/var/lib/mock/dist-circle9-build-120560-85239/root/chroot_tmpdir/scmroot/shaderc'...
$ git fetch origin cbdeb7d3fc2241a4eba4b30ecb06938fc6595c5c:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/shaderc
 * [new ref]         cbdeb7d3fc2241a4eba4b30ecb06938fc6595c5c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cbdeb7d import shaderc-2023.7-1.el9