From: Elijah Newren <newren@gmail.com>
Date: Wed, 14 Feb 2018 18:51:53 +0000 (-0800)
Subject: merge-recursive: split out code for determining diff_filepairs
X-Git-Tag: v2.18.0-rc0~169^2~13
X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/3f646871a31d95576e11e74fc5db2e3ed2380b52?hp=3f646871a31d95576e11e74fc5db2e3ed2380b52

merge-recursive: split out code for determining diff_filepairs

Create a new function, get_diffpairs() to compute the diff_filepairs
between two trees.  While these are currently only used in
get_renames(), I want them to be available to some new functions.  No
actual logic changes yet.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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