$ git clone -n https://gitee.com/fundawang/glibc.git /var/lib/mock/dist-an23-build-288827-64871/root/chroot_tmpdir/scmroot/glibc
Cloning into '/var/lib/mock/dist-an23-build-288827-64871/root/chroot_tmpdir/scmroot/glibc'...
$ git fetch origin 09e25fe95219ec3beae556d3b9cd7c9243ec32dd:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/glibc
 * [new ref]         09e25fe95219ec3beae556d3b9cd7c9243ec32dd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 09e25fe Add patch for gb18030-2022 from upstream bug#30243