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(parent: 76c82f9) | patch
mergetool: check return value from read
authorJunio C Hamano <gitster@pobox.com>
Fri, 1 Jul 2011 23:11:16 +0000 (16:11 -0700)
committerJunio C Hamano <gitster@pobox.com>
Fri, 1 Jul 2011 23:17:29 +0000 (16:17 -0700)
commit6b445773b78544032262b897c9aa3b5bd4405dd3
treed0f907c115a25e54c1a9b3ef50133184f9a10710tree | snapshot
parent76c82f90abde8820461e042c6654673f1147881dcommit | diff
mergetool: check return value from read

The process may not even have the standard input open in which case it
will get stuck in an infinite loop to prompt and read nothing.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
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