$ git clone -n https://gitee.com/src-opencloudos-rpms/glibc.git /var/lib/mock/dist-oc9-build-210758-80638/root/chroot_tmpdir/scmroot/glibc
Cloning into '/var/lib/mock/dist-oc9-build-210758-80638/root/chroot_tmpdir/scmroot/glibc'...
$ git fetch origin 355423a996bd2620ad3a6c3c114322662b5feca1:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/glibc
 * [new ref]         355423a996bd2620ad3a6c3c114322662b5feca1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 355423a import glibc-2.38-39.tl4