From: Nguyen Thai Ngoc Duy Date: Mon, 20 Feb 2012 14:16:43 GMT Subject: Re: git status: small difference between stating whole repository and small subdirectory Message-ID: In-Reply-To: <20120220140653.GC5131@sigill.intra.peff.net> On Mon, Feb 20, 2012 at 9:06 PM, Jeff King wrote: > Interestingly, on my git.git repo, I had an empty cache. Running "git > read-tree HEAD" filled it (according to test-dump-cache-tree). It seems > that running "git checkout" empties the cache.  So perhaps git could do > better about keeping the cache valid over time. For fast forward case when result index matches 100% destination tree, yeah we should repopulate cache-tree. "git reset" does that. Not sure about other cases though. I don't think we can keep track what subtrees are unchanged after unpack_trees() in order to keep them. -- Duy