From: Lukas Fleischer <cgit@cryptocrack.de>
Date: Tue, 20 Aug 2013 16:56:12 +0000 (+0200)
Subject: ui-diff: Check the return value of get_sha1()
X-Git-Url: https://gitweb.ps.run/ps-cgit/commitdiff_plain/01db08372965b082239e7946255ac43f42d3e37d?ds=inline;hp=01db08372965b082239e7946255ac43f42d3e37d

ui-diff: Check the return value of get_sha1()

Sync with what we do everywhere else and check the return value of
get_sha1() instead of calling sha1_object_info() to validate the object.
Note that we later call lookup_commit_reference(), which checks that
both SHA1 values refer to commits, anyway.

Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
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