$ git clone -n https://gitee.com/src-opencloudos-rpms/glibc.git /var/lib/mock/dist-oc9-build-81179-54835/root/chroot_tmpdir/scmroot/glibc
Cloning into '/var/lib/mock/dist-oc9-build-81179-54835/root/chroot_tmpdir/scmroot/glibc'...
$ git fetch origin efd8cf02f01cd0ca45ee300ef345b7622fa1ed1c:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/glibc
 * [new ref]         efd8cf02f01cd0ca45ee300ef345b7622fa1ed1c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at efd8cf0 import glibc-2.38-13.tl4