Packaging IceCat extensions with Guix

[Marius Bakke <mbakke@fastmail.com>]

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Hi Guix,

I read somewhere that Debian packages certain Firefox extensions. I
tried doing the same with Guix, but haven't been able to get IceCat to
load extensions from a directory.

The attached (outdated!) patch adds the "uBlock" XPI to
<guix-profile>/lib/icecat/extensions. I've tried symlinking this to
"standard" system folders (from IceCat source code), and disabled
unsigned extensions, but no luck so far. Maybe someone more familiar
with IceCat internals can try it?

I would love to have my favourite extensions managed by Guix!


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From 3a1bc1a489c5f7cd624c661a8887bf2e89ea74b2 Mon Sep 17 00:00:00 2001
From: Marius Bakke <mbakke@fastmail.com>
Date: Tue, 1 Nov 2016 10:33:52 +0000
Subject: [PATCH] gnu: Add ublock.

---
 gnu/packages/web-plugins.scm | 114 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 114 insertions(+)
 create mode 100644 gnu/packages/web-plugins.scm

diff --git a/gnu/packages/web-plugins.scm b/gnu/packages/web-plugins.scm
new file mode 100644
index 000000000..e124b8e74
--- /dev/null
+++ b/gnu/packages/web-plugins.scm
@@ -0,0 +1,114 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2016 Marius Bakke <mbakke@fastmail.com>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (gnu packages web-plugins)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (guix download)
+  #:use-module (guix git-download)
+  #:use-module (guix build-system gnu)
+  #:use-module (guix build-system trivial)
+  #:use-module (guix packages)
+  #:use-module (gnu packages python)
+  #:use-module (gnu packages zip))
+
+(define uassets
+  (package
+    (name "uassets")
+    (version "8f505b07572f0ed35d3bfec6ba4c9058f4270ae7")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/uBlockOrigin/uAssets.git")
+                    (commit version)))
+              (file-name (string-append name "-" version "-checkout"))
+              (sha256
+               (base32
+                "154i7p2qa2jq5907n9bqsy9bh2l2iiynhd7x9s4d6dabwfq7aa5n"))))
+    (build-system trivial-build-system)
+    (arguments
+     `(#:modules ((guix build utils))
+       #:builder
+       (begin
+         (use-modules (guix build utils))
+         (copy-recursively (assoc-ref %build-inputs "source")
+                           (assoc-ref %outputs "out"))
+         #t)))
+    (synopsis "Filter lists and rulesets for uBlock and uMatrix")
+    (description
+     "Resources for uBlock Origin, uMatrix: static filter lists,
+ready-to-use rulesets, etc.")
+    (home-page "https://github.com/uBlockOrigin/uAssets")
+    (license license:gpl3))) ; TODO: verify
+
+(define-public ublock
+  (package
+    (name "ublock")
+    (version "1.9.16")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/gorhill/uBlock/archive/"
+                    version ".tar.gz"))
+              (sha256
+               (base32
+                "0460sh05ahxl6539pfxbgaf1ibxxi3c656pxazwnppln2zaiigfz"))))
+    (build-system gnu-build-system)
+    ;; We use gnu-build-system to benefit from unpack and
+    ;; source patching, but won't use any standard phases.
+    (arguments
+     `(#:tests? #f
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'copy-assets
+           (lambda* (#:key inputs #:allow-other-keys)
+             (copy-recursively (assoc-ref inputs "uassets")
+                               "../uAssets")
+             #t))
+         (delete 'configure)
+         (replace 'build
+           (lambda _
+             (zero? (system* "./tools/make-firefox.sh" "all"))
+             ;(zero? (system* "./tools/make-firefox.sh"))
+             ))
+         (replace 'install
+           (lambda* (#:key outputs #:allow-other-keys)
+             (let* ((out (assoc-ref outputs "out"))
+                    (extdir (string-append
+                             out "/lib/icecat/extensions")))
+               ;(mkdir-p extdir)
+               ;(copy-recursively "dist/build/uBlock0.firefox" extdir)
+               (install-file "dist/build/uBlock0.firefox.xpi" extdir)
+               #t))))))
+    (native-inputs
+     `(("python" ,python-wrapper)
+       ("uassets" ,uassets)
+       ("zip" ,zip)))
+    (synopsis "Efficient content blocker")
+    (description
+     "uBlock Origin is a \"wide spectrum\" blocker for web content.
+It can block ads, trackers, malware sites and similar and comes with a
+comprehensive pre-configured filter list covering known-bad sites.")
+    (home-page "https://github.com/gorhill/uBlock")
+    ;; uBlock is distributed under GPL3+ but includes a handful of
+    ;; components covered by other licenses.
+    (license (list license:gpl3+
+                   license:cc-by-sa3.0
+                   license:mpl2.0
+                   ;; The malware hosts list has no proper license and just
+                   ;; includes the text "our list can be used by anyone".
+                   (license:non-copyleft "https://www.malwaredomainlist.com/")))))
-- 
2.11.0