From: Junio C Hamano <gitster@pobox.com>
Date: Wed, 21 Mar 2018 18:30:10 +0000 (-0700)
Subject: Merge branch 'ma/skip-writing-unchanged-index'
X-Git-Tag: v2.17.0-rc1~13
X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/beb2cdf5041104a7513301a9b20944a617eec94e?hp=--cc

Merge branch 'ma/skip-writing-unchanged-index'

Internal API clean-up to allow write_locked_index() optionally skip
writing the in-core index when it is not modified.

* ma/skip-writing-unchanged-index:
write_locked_index(): add flag to avoid writing unchanged index
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beb2cdf5041104a7513301a9b20944a617eec94e