From: David Aguilar <davvid@gmail.com>
Date: Tue, 7 Feb 2017 09:16:59 +0000 (-0800)
Subject: t7800: simplify basic usage test
X-Git-Tag: v2.12.0-rc1~6^2
X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/e66adcadfe63508dfd7410c2253116043894d298?hp=e66adcadfe63508dfd7410c2253116043894d298

t7800: simplify basic usage test

Use "test_line_count" instead of "wc -l", use "git -C" instead of a
subshell, and use test_expect_code when calling difftool.  Ease
debugging by capturing output into temporary files.

Suggested-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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