$ git clone -n https://gitee.com/binqray/glibc-2.31.git /var/lib/mock/dist-an23-build-276015-64337/root/chroot_tmpdir/scmroot/glibc-2.31
Cloning into '/var/lib/mock/dist-an23-build-276015-64337/root/chroot_tmpdir/scmroot/glibc-2.31'...
$ git fetch origin 2d4f26e5cfda682f9ce61444b81533b83f6381af:KOJI_FETCH_HEAD
From https://gitee.com/binqray/glibc-2.31
 * [new ref]               2d4f26e5cfda682f9ce61444b81533b83f6381af -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
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Updating files: 100% (17427/17427), done.
HEAD is now at 2d4f26e5cf x86: Fix wcsnlen-avx2 page cross length comparison [BZ #29591]