[arch-projects] [dbscripts] [PATCH 2/2] fixup: fix potential bsdtar stream close error by grep

Eli Schwartz eschwartz at archlinux.org
Sun Sep 9 15:20:51 UTC 2018

On 9/3/18 7:50 AM, Levente Polyak via arch-projects wrote:
> From: anthraxx <anthraxx at archlinux.org>
> bsdtar doesn't like it when the stream gets closed before it finishes
> which may be the case when grep found its match on potentially huge
> archives. Instead of suppressing the whole strerr , we just pipe
> the output through cat which ensures the stream remains open for bsdtar
> but we may still catch and see useful messages on stderr.

This is functionally 23c2b82c336bf19b7a29a90d19bca4423d8b8839 again, but
for more locations. I'm never going to understand why some people get
this SIGPIPE but I don't, but I guess it makes sense to do this change
-- especially as we do the same elsewhere.

(We need to buffer it somehow with some extra command, grep doesn't have
a way to only output the first result but still avoid propagating
SIGPIPE. Why does bsdtar care about this anyway...)


Eli Schwartz
Bug Wrangler and Trusted User

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