fetch-object: make functions return an error code
authorChristian Couder <christian.couder@gmail.com>
Tue, 25 Jun 2019 13:40:26 +0000 (15:40 +0200)
committerJunio C Hamano <gitster@pobox.com>
Tue, 25 Jun 2019 21:05:37 +0000 (14:05 -0700)
The callers of the fetch_object() and fetch_objects() might
be interested in knowing if these functions succeeded or not.

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

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