$ git clone -n https://gitee.com/opencloudos-stream/glibc.git /var/lib/mock/dist-ocs23-build-282821-27195/root/chroot_tmpdir/scmroot/glibc
Cloning into '/var/lib/mock/dist-ocs23-build-282821-27195/root/chroot_tmpdir/scmroot/glibc'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/glibc
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 135d89e Rebuilt for loongarch release