From: Junio C Hamano <gitster@pobox.com>
Date: Fri, 16 Dec 2016 23:27:47 +0000 (-0800)
Subject: Merge branch 'hv/submodule-not-yet-pushed-fix'
X-Git-Tag: v2.12.0-rc0~156
X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/af952dac7a6997e587ded97e4051a927e5384423

Merge branch 'hv/submodule-not-yet-pushed-fix'

The code in "git push" to compute if any commit being pushed in the
superproject binds a commit in a submodule that hasn't been pushed
out was overly inefficient, making it unusable even for a small
project that does not have any submodule but have a reasonable
number of refs.

* hv/submodule-not-yet-pushed-fix:
submodule_needs_pushing(): explain the behaviour when we cannot answer
batch check whether submodule needs pushing into one call
serialize collection of refs that contain submodule changes
serialize collection of changed submodules
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af952dac7a6997e587ded97e4051a927e5384423