$ git clone -n https://gitee.com/src-opencloudos-rpms/glibc.git /var/lib/mock/dist-oc8-build-232167-81708/root/chroot_tmpdir/scmroot/glibc
Cloning into '/var/lib/mock/dist-oc8-build-232167-81708/root/chroot_tmpdir/scmroot/glibc'...
$ git fetch origin b2ecabd3f470c25fe7ffe747e68eac1b096a3b5d:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/glibc
 * [new ref]         b2ecabd3f470c25fe7ffe747e68eac1b096a3b5d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b2ecabd import glibc-2.28-251.tl3.27.ap.1