$ git clone -n https://gitee.com/src-opencloudos-rpms/glibc.git /var/lib/mock/dist-oc8-build-239743-82626/root/chroot_tmpdir/scmroot/glibc
Cloning into '/var/lib/mock/dist-oc8-build-239743-82626/root/chroot_tmpdir/scmroot/glibc'...
$ git fetch origin 9f4aa18c85ac7ba5ccbfa4c1ce8ee7f49091cc4e:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/glibc
 * [new ref]         9f4aa18c85ac7ba5ccbfa4c1ce8ee7f49091cc4e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9f4aa18 import glibc-2.28-251.tl3.34.ap.1