71 lines
3.2 KiB
Scheme
71 lines
3.2 KiB
Scheme
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;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2020, 2021 Marius Bakke <marius@gnu.org>
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;;; Copyright © 2023 Clément Lassieur <clement@lassieur.org>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (gnu build icecat-extension)
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#:use-module (guix gexp)
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#:use-module (guix packages)
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#:use-module (guix build-system trivial)
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#:export (make-icecat-extension))
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(define* (make-icecat-extension pkg #:optional (pkg-output "out"))
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"Create an Icecat extension from package PKG and return a package that,
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when installed, will make the extension contained in PKG available as an
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Icecat browser extension. PKG-OUTPUT specifies which output of PKG to use."
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(package
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(inherit pkg)
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(name (string-append (package-name pkg) "-icecat"))
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(native-inputs '())
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(inputs '())
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(propagated-inputs (package-propagated-inputs pkg))
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(outputs '("out"))
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(build-system trivial-build-system)
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(arguments
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(list
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#:modules '((guix build utils))
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#:builder
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#~(begin
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(use-modules (guix build utils))
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(let* ((addon-id #$(assq-ref (package-properties pkg) 'addon-id))
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(moz-app-id "{ec8030f7-c20a-464f-9b0e-13a3a9e97384}")
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(search-dir (string-append #$output "/lib/icecat/extensions/"
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moz-app-id)))
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;; Icecat's iterates over `search-dir` for directories. If a
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;; directory's name is not a valid add-on ID, it is ignored. See
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;; `DirectoryLocation::readAddons()` in XPIProvider.jsm.
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;; This directory has to be a symlink, because Icecat's
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;; `_readLinkFile(aFile)` calls `normalize()` only if `aFile` is a
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;; symlink.
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;; Normalizing is required because Icecat compares the add-on path
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;; against its local database to know if there is an extension
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;; update. We want the add-on path to be the package store path,
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;; so that a path change is detected every time the package is
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;; updated. See `updateExistingAddon()` in XPIDatabase.jsm, with
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;; our patch `icecat-compare-paths.patch`.
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;; We don't want the add-on path to be the profile store path,
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;; which would change too often. We don't want the add-on path to
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;; be hard-coded either because it would never change (but it
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;; wouldn't make sense anyway).
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(mkdir-p search-dir)
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(symlink (in-vicinity (ungexp pkg pkg-output) addon-id)
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(in-vicinity search-dir addon-id))))))))
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