From: David Aguilar <davvid@gmail.com>
Date: Tue, 19 Jul 2016 03:57:56 +0000 (-0700)
Subject: difftool: use Git::* functions instead of passing around state
X-Git-Tag: v2.9.3~1^2
X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/32b8c581ecf35e73bebe2c6e9f6de617807b7f91?ds=inline;hp=32b8c581ecf35e73bebe2c6e9f6de617807b7f91

difftool: use Git::* functions instead of passing around state

Call Git::command() and friends directly wherever possible.
This makes it clear that these operations can be invoked directly
without needing to manage the current directory and related GIT_*
environment variables.

Eliminate find_repository() since we can now use wc_path() and
not worry about side-effects involving environment variables.

Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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