$ git clone -n https://gitee.com/lzq11122/texlive-base.git /var/lib/mock/dist-an23-build-462881-73827/root/chroot_tmpdir/scmroot/texlive-base
Cloning into '/var/lib/mock/dist-an23-build-462881-73827/root/chroot_tmpdir/scmroot/texlive-base'...
$ git fetch origin 6b750aaff324f1ddb9435bfafa24be75281ae819:KOJI_FETCH_HEAD
From https://gitee.com/lzq11122/texlive-base
 * [new ref]         6b750aaff324f1ddb9435bfafa24be75281ae819 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6b750aa add support for sw_64 build