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From:   Junio C Hamano <gitster@pobox.com>
To:     "ZheNing Hu via GitGitGadget" <gitgitgadget@gmail.com>
Cc:     git@vger.kernel.org, Christian Couder <christian.couder@gmail.com>,
        =?utf-8?B?w4Z2YXIgQXJuZmrDtnLDsA==?= Bjarmason <avarab@gmail.com>,
        Jeff King <peff@peff.net>,
        Jeff Hostetler <jeffhost@microsoft.com>,
        Derrick Stolee <dstolee@microsoft.com>,
        ZheNing Hu <adlternative@gmail.com>
Subject: Re: [PATCH] [RFC] list-objects-filter: introduce new filter
 sparse:buffer=<spec>
References: <pull.1316.git.1659958159193.gitgitgadget@gmail.com>
Date:   Mon, 08 Aug 2022 09:15:06 -0700
In-Reply-To: <pull.1316.git.1659958159193.gitgitgadget@gmail.com> (ZheNing Hu
        via GitGitGadget's message of "Mon, 08 Aug 2022 11:29:19 +0000")
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"ZheNing Hu via GitGitGadget" <gitgitgadget@gmail.com> writes:

> From: ZheNing Hu <adlternative@gmail.com>
>
> Although we already had a `--filter=sparse:oid=<oid>` which
> can used to clone a repository with limited objects which meet
> filter rules in the file corresponding to the <oid> on the git
> server. But it can only read filter rules which have been record
> in the git server before.

Was the reason why we have "we limit to an object we already have"
restriction because we didn't want to blindly use a piece of
uncontrolled arbigrary end-user data here?  Just wondering.