bug#27017: 'guix package --list-generations' does not handle SIGPIPE properly

[Ludovic Courtès]

Hi Alex,

Alex Vong <address@hidden> skribis:

> $ LC_ALL=C guix package --list-generations | head
> Generation 86 Apr 30 2017 22:02:29
>  + ffmpeg     3.3     out     
> /gnu/store/ihbs3i1dhy4z345db2a1rhid6fpv2p1y-ffmpeg-3.3
>  + youtube-dl 2017.04.14      out     
> /gnu/store/p04rk5gmd5vknx9hbkq12i49cgympx42-youtube-dl-2017.04.14
>  + python-ipython     5.2.2   out     
> /gnu/store/q6v3xjxhy6gmaby6pdz82a9g5wi8jcqm-python-ipython-5.2.2
>  + mpv        0.24.0  out     
> /gnu/store/f80fh5fp2hbjh2pi4lchrm5zmkmnzx9g-mpv-0.24.0
>  + emacs-clojure-mode 5.4.0   out     
> /gnu/store/69s3hs72j54z94m3vy6h37v3rqhn7dyx-emacs-clojure-mode-5.4.0
>  + emacs-emms 4.2     out     
> /gnu/store/i524h96f504xgf6gfykw7incm58ng4ww-emacs-emms-4.2
>  + qemu       2.8.1   out     
> /gnu/store/ihy8yzv3ww9slvy1639qji4c7sv9b68l-qemu-2.8.1
>  + audacity   2.1.3   out     
> /gnu/store/k04ibjfy8l6a0cz33n8bhyhxhq1c5zd3-audacity-2.1.3
>  + minetest   0.4.15  out     
> /gnu/store/s1a7lvpdspi220fnkadqzamkwzvfv2wx-minetest-0.4.15
> guix package: error: scm_flush: Broken pipe
> Backtrace:
> In unknown file:
>    ?: 2 [apply-smob/1 #<catch-closure 5655472fb120> quit 1]
> In ice-9/boot-9.scm:
>  160: 1 [catch #t #<catch-closure 565547ead2c0> ...]
> In unknown file:
>    ?: 0 [apply-smob/1 #<catch-closure 565547ead2c0>]
>
> ERROR: In procedure apply-smob/1:
> ERROR: In procedure scm_flush: Broken pipe

Fixed in 807ba51950720d5321ea1c95234805ccdf9b479b, thanks!

Ludo’.