From: Junio C Hamano <gitster@pobox.com>
Date: Mon, 1 Jun 2015 19:45:10 +0000 (-0700)
Subject: Merge branch 'jh/filter-empty-contents'
X-Git-Tag: v2.5.0-rc0~67
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=152722f155165cbeca43c7e82abe68e66d088b33;p=git-core%2Fgit.git

Merge branch 'jh/filter-empty-contents'

The clean/smudge interface did not work well when filtering an
empty contents (failed and then passed the empty input through).
It can be argued that a filter that produces anything but empty for
an empty input is nonsense, but if the user wants to do strange
things, then why not?

* jh/filter-empty-contents:
  sha1_file: pass empty buffer to index empty file
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152722f155165cbeca43c7e82abe68e66d088b33