GNU bug report logs - #39146
[PATCH] gnu: icecat: Remove compiler paths from about:buildconfig

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From: Tobias Geerinckx-Rice <me <at> tobias.gr>
To: 39146 <at> debbugs.gnu.org
Cc: Jakub Kądziołka <kuba <at> kadziolka.net>
Subject: [bug#39146] [PATCH] gnu: icecat: Remove about:buildconfig store references.
Date: Wed, 22 Jan 2020 02:34:06 +0100

* gnu/packages/gnuzilla.scm (icecat)[arguments]:
New ‘neutralise-store-references’ phase.

Reported-by: Jakub Kądziołka <kuba <at> kadziolka.net>
---

Jakub, IceCats,

What do you think of this attempt at robustness?  Any drawbacks I've missed?

Kind regards,

T G-R

 gnu/packages/gnuzilla.scm | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/gnu/packages/gnuzilla.scm b/gnu/packages/gnuzilla.scm
index ae0c58eedb..d4a793971c 100644
--- a/gnu/packages/gnuzilla.scm
+++ b/gnu/packages/gnuzilla.scm
@@ -11,6 +11,7 @@
 ;;; Copyright © 2018 Ricardo Wurmus <rekado <at> elephly.net>
 ;;; Copyright © 2019 Ivan Petkov <ivanppetkov <at> gmail.com>
 ;;; Copyright © 2020 Oleg Pykhalov <go.wigust <at> gmail.com>
+;;; Copyright © 2020 Jakub Kądziołka <kuba <at> kadziolka.net>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -1067,6 +1068,15 @@ from forcing GEXP-PROMISE."
                                 (force-output)
                                 (retry (- remaining-attempts 1))))
                        (apply build args)))))))
+         (add-after 'build 'neutralise-store-references
+           (lambda _
+             ;; Mangle the store references to compilers & other build tools in
+             ;; about:buildconfig, reducing IceCat's closure by 1 GiB on x86-64.
+             (substitute*
+                 "dist/bin/chrome/toolkit/content/global/buildconfig.html"
+               (("(/gnu/store/)([0-9a-z]{32})" all store hash)
+                (string-append store (string-take hash 8) "…")))
+             #t))
          (add-before 'configure 'install-desktop-entry
            (lambda* (#:key outputs #:allow-other-keys)
              ;; Install the '.desktop' file.
-- 
2.23.0

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