bug#30142: pipe of 'guix --version' produces error

[Leo Famulari]

On Tue, Jan 16, 2018 at 09:01:41PM -0500, George myglc2 Clemmer wrote:
> EXAMPLE:
> *******
> address@hidden ~/www/VM-on-GuixSD$ guix --version | head -n 1
> guix (GNU Guix) 0.14.0.617-e2f37
> Backtrace:
>            5 (primitive-load 
> "/gnu/store/nxdxbad50ydp1nhmgzvlwbk0jkkdc28r-guix-0.14.0-3.f76ff98/bin/.guix-real")
> In guix/ui.scm:
>     390:2  4 (show-version-and-exit _)
> In ice-9/format.scm:
>   1590:19  3 (format #t "Copyright ~a 2017 ~a" "(C)" "the Guix authors\n")
>    261:19  2 (format:format-work "Copyright ~a 2017 ~a" ("(C)" "the Guix 
> authors\n"))
>     70:10  1 (format:out-obj-padded _ _ _ _)
> In unknown file:
>            0 (display "the Guix authors\n" #<output: file 1>)
> 
> ERROR: In procedure display:
> ERROR: In procedure fport_write: Broken pipe
> address@hidden ~/www/VM-on-GuixSD$ guix --version | head -n 1
> guix (GNU Guix) 0.14.0.617-e2f37
> Backtrace:
>            5 (primitive-load 
> "/gnu/store/nxdxbad50ydp1nhmgzvlwbk0jkkdc28r-guix-0.14.0-3.f76ff98/bin/.guix-real")
> In guix/ui.scm:
>     390:2  4 (show-version-and-exit _)
> In ice-9/format.scm:
>   1590:19  3 (format #t "Copyright ~a 2017 ~a" "(C)" "the Guix authors\n")
>    261:19  2 (format:format-work "Copyright ~a 2017 ~a" ("(C)" "the Guix 
> authors\n"))
>     70:10  1 (format:out-obj-padded _ _ _ _)
> In unknown file:
>            0 (display "the Guix authors\n" #<output: file 1>)
> 
> ERROR: In procedure display:
> ERROR: In procedure fport_write: Broken pipe

Thanks for the report!

This is bug #29826 <https://bugs.gnu.org/29826>

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