From: Linus Torvalds <torvalds@ppc970.osdl.org>
Date: Mon, 23 May 2005 23:37:47 +0000 (-0700)
Subject: diff-tree: don't write headers if the diff queue is empty
X-Git-Tag: v0.99~482
X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/9ab55bd29a9f110810b72d82be912380f74051b3?hp=9ab55bd29a9f110810b72d82be912380f74051b3

diff-tree: don't write headers if the diff queue is empty

This is not a pickaxe-specific thing, we do this regardless of
what has pruned down the diff queue.
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