From: Junio C Hamano <gitster@pobox.com>
Date: Wed, 3 Feb 2016 22:16:07 +0000 (-0800)
Subject: Merge branch 'jk/ref-cache-non-repository-optim'
X-Git-Tag: v2.8.0-rc0~69
X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/ad25723e69606d9f4f3596eeb427fde3abee76c3

Merge branch 'jk/ref-cache-non-repository-optim'

The underlying machinery used by "ls-files -o" and other commands
have been taught not to create empty submodule ref cache for a
directory that is not a submodule.  This removes a ton of wasted
CPU cycles.

* jk/ref-cache-non-repository-optim:
resolve_gitlink_ref: ignore non-repository paths
clean: make is_git_repository a public function
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ad25723e69606d9f4f3596eeb427fde3abee76c3