$ git clone -n https://gitee.com/src-opencloudos-rpms/glibc.git /var/lib/mock/dist-oc8-build-245157-83278/root/chroot_tmpdir/scmroot/glibc
Cloning into '/var/lib/mock/dist-oc8-build-245157-83278/root/chroot_tmpdir/scmroot/glibc'...
$ git fetch origin 7189799b39bf8a3e879426a68dc4c2bc8a2e4bf2:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/glibc
 * [new ref]         7189799b39bf8a3e879426a68dc4c2bc8a2e4bf2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7189799 import glibc-2.28-251.tl3.40.ap.1