$ git clone -n https://gitee.com/src-opencloudos-rpms/glibc /var/lib/mock/dist-oc8-build-122479-72060/root/chroot_tmpdir/scmroot/glibc
Cloning into '/var/lib/mock/dist-oc8-build-122479-72060/root/chroot_tmpdir/scmroot/glibc'...
$ git fetch origin oc8:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/glibc
 * [new branch]      oc8        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 26958d2 !2 backport some patchs to improve whetstone-double performance Merge pull request !2 from huwentao/oc8