$ git clone -n https://gitee.com/src-opencloudos-rpms/glibc.git /var/lib/mock/dist-oc9-build-247057-83502/root/chroot_tmpdir/scmroot/glibc
Cloning into '/var/lib/mock/dist-oc9-build-247057-83502/root/chroot_tmpdir/scmroot/glibc'...
$ git fetch origin 8d1df026ea1f763ffcf1198fde3972a4c974995e:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/glibc
 * [new ref]         8d1df026ea1f763ffcf1198fde3972a4c974995e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8d1df02 import glibc-2.38-49.tl4.2