$ git clone -n https://gitee.com/src-opencloudos-rpms/glibc.git /var/lib/mock/dist-oc9-build-180404-80098/root/chroot_tmpdir/scmroot/glibc
Cloning into '/var/lib/mock/dist-oc9-build-180404-80098/root/chroot_tmpdir/scmroot/glibc'...
$ git fetch origin 13eed676a2d081d4026c08f38ad4a142bd1f781f:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/glibc
 * [new ref]         13eed676a2d081d4026c08f38ad4a142bd1f781f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 13eed67 import glibc-2.38-34.tl4