[bug#53418] [PATCH] gnu: piper: Fix build.

[Leo Famulari <leo@famulari.name>]

On Fri, Jan 21, 2022 at 06:17:57PM +0000, John Kehayias via Guix-patches via wrote:
> Hello,
> 
> This is a followup to https://issues.guix.gnu.org/53372  fixing Piper (which uses libratbag). Python was added to the inputs to fix the build since Meson does not propagate Python (added to inputs rather than native-inputs as guix gc shows a reference to Python).
> 
> That allows Piper to build but it had a librsvg error on startup, like syncthing-gtk in https://issues.guix.gnu.org/52651  Fixed the same way here by removing librsvg from inputs since it is propagated by gtk+.
> 
> (Also simplified the input labels while I was at it, but my quick attempt at rewriting the phases with gexps didn't get far. Since I didn't find any similar examples in current packages, I left it as is for now.)
> 
> Thanks!
> John

> From 5ae7945017dc4d664bdc6ddbffaea6422db72402 Mon Sep 17 00:00:00 2001
> From: John Kehayias <john.kehayias@protonmail.com>
> Date: Fri, 21 Jan 2022 13:05:15 -0500
> Subject: [PATCH] gnu: piper: Fix build.
> 
> Since commit 6f36d0c89e3bf19bb7bb8f7f5b77de30c9af861b, Meson no longer
> propagates Python.  GTK+ propagates librsvg-bootstrap which causes a startup
> error due to two librsvg being GI_TYPELIB_PATH.
> 
> * gnu/packages/gnome.scm (piper)[inputs]: Add PYTHON.  Remove LIBRSVG.  Simplify.
> [native-inputs]: Simplify.
> [arguments]: Remove trailing #t from phases.

Thanks! Pushed as 0baf5efe01d613f82edca39b47ef2126803127a4