$ git clone -n https://gitee.com/src-opencloudos-rpms/glibc.git /var/lib/mock/dist-oc8-build-81097-54662/root/chroot_tmpdir/scmroot/glibc
Cloning into '/var/lib/mock/dist-oc8-build-81097-54662/root/chroot_tmpdir/scmroot/glibc'...
$ git fetch origin f3ef5aac8506ae71976fcf6698203c9741e7af96:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/glibc
 * [new ref]         f3ef5aac8506ae71976fcf6698203c9741e7af96 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f3ef5aa import glibc-2.28-251.tl3.3