From: Junio C Hamano Date: Thu, 25 May 2017 23:31:06 GMT Subject: Re: [PATCH v2 0/2] Update sha1dc from upstream & optionally make it a submodule Message-ID: In-Reply-To: Ævar Arnfjörð Bjarmason writes: > But from what you're saying here that seems like a non-issue, i.e. in > such a scenario we'd just mirror the original repo[1], change the URL > in git.git to that, and then anyone could easily use older history > since it would be pointing to the new mirror. Those who cloned before such a switch will still have the URL they chose when they cloned and did "submodule init" on it, I think, so they need to explicitly choose to switch to the new URL. So I would not exactly say "seems like a non-issue"; it certainly is an easy thing to work around.