$ git clone -n https://gitee.com/src-opencloudos-rpms/glibc.git /var/lib/mock/dist-oc8-build-67792-46527/root/chroot_tmpdir/scmroot/glibc
Cloning into '/var/lib/mock/dist-oc8-build-67792-46527/root/chroot_tmpdir/scmroot/glibc'...
$ git fetch origin bc693e7208827ab2b32f904bbfe9fa2f2f6d488e:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/glibc
 * [new ref]         bc693e7208827ab2b32f904bbfe9fa2f2f6d488e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bc693e7 import glibc-2.28-236.tl3.12