[Bug 1062267] IPC::Run3::run3($command, \undef) clobbers STDIN

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1062267



--- Comment #2 from Ralf Corsepius <rc040203 at freenet.de> ---
(In reply to Petr Pisar from comment #0)
> If IPC::Run3::run3() is invoked with \undef for command's standard input, it
> will clobber STDIN, so STDIN is unusable after return from run3():
> 
> Reproducer:
> 
> $ printf '1\n2\n'| perl -MIPC::Run3 -e 'while (<>) { print; run3([q{true}],
> \undef) }' 
> 1
> 
> This should print:
> 
> 1
> 2
> 
> But it stops after first loop.
> 
> Observed in perl-IPC-Run3-0.046-3.fc20.noarch, F20.
> 
> Reported to upstream, patch is there.

Thanks for the report. 

Presuming you to have tested all this carefully and "just being into it" and me
not having enough time to look into this today, feel free to apply the patch to
git. 

Otherwise, I'll look into it, tomorrow.

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