mirror of
https://git.savannah.gnu.org/git/guix.git
synced 2026-04-30 22:35:57 +02:00
Maxim Cournoyer
10482f731e
This reverts commit a7db92d9b3, this time with
the more careful command, to avoid a world rebuild:
grep -rl --exclude-dir=build --exclude-dir=patches --exclude=ld-wrapper.in \
--exclude=sitecustomize.py --exclude=guix-emacs.el maxim.cournoyer@gmail.com |
xargs sed -i 's/maxim.cournoyer@gmail.com/maxim@guixotic.coop/g'
Change-Id: I0871f5cf9ace79e34e78e24154d0da6ea95a3a91
378 lines
14 KiB
Scheme
378 lines
14 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2018, 2020 Oleg Pykhalov <go.wigust@gmail.com>
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;;; Copyright © 2020 Liliana Marie Prikler <liliana.prikler@gmail.com>
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;;; Copyright © 2020 Marius Bakke <mbakke@fastmail.com>
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;;; Copyright © 2022 Maxim Cournoyer <maxim@guixotic.coop>
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;;; Copyright © 2025 Roman Scherer <roman@burningswell.com>
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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 services sound)
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#:use-module (gnu services base)
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#:use-module (gnu services configuration)
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#:use-module (gnu services shepherd)
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#:use-module (gnu services)
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#:use-module (gnu system pam)
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#:use-module (gnu system shadow)
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#:use-module (guix diagnostics)
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#:use-module (guix gexp)
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#:use-module (guix modules)
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#:use-module (guix packages)
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#:use-module (guix records)
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#:use-module (guix store)
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#:use-module (guix ui)
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#:use-module (gnu packages admin)
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#:use-module (gnu packages audio)
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#:use-module (gnu packages linux)
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#:use-module (gnu packages pulseaudio)
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#:use-module (gnu packages rust-apps)
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#:use-module (ice-9 match)
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#:use-module (srfi srfi-1)
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#:export (alsa-configuration
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alsa-configuration?
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alsa-configuration-alsa-plugins
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alsa-configuration-pulseaudio?
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alsa-configuration-extra-options
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alsa-service-type
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pulseaudio-configuration
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pulseaudio-configuration?
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pulseaudio-configuration-client-conf
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pulseaudio-configuration-daemon-conf
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pulseaudio-configuration-script-file
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pulseaudio-configuration-extra-script-files
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pulseaudio-configuration-system-script-file
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pulseaudio-service-type
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ladspa-configuration
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ladspa-configuration?
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ladspa-configuration-plugins
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ladspa-service-type
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speakersafetyd-configuration
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speakersafetyd-configuration-blackbox-directory
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speakersafetyd-configuration-configuration-directory
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speakersafetyd-configuration-maximum-gain-reduction
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speakersafetyd-configuration-speakersafetyd
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speakersafetyd-configuration?
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speakersafetyd-service-type))
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;;; Commentary:
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;;;
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;;; Sound services.
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;;;
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;;; Code:
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;;;
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;;; ALSA
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;;;
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(define-record-type* <alsa-configuration>
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alsa-configuration make-alsa-configuration alsa-configuration?
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(alsa-plugins alsa-configuration-alsa-plugins ;file-like
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(default alsa-plugins))
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(pulseaudio? alsa-configuration-pulseaudio? ;boolean
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(default #t))
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(extra-options alsa-configuration-extra-options ;string
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(default "")))
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(define alsa-config-file
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;; Return the ALSA configuration file.
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(match-lambda
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(($ <alsa-configuration> alsa-plugins pulseaudio? extra-options)
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(apply mixed-text-file "asound.conf"
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`("# Generated by 'alsa-service'.\n\n"
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,@(if pulseaudio?
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`("# Use PulseAudio by default
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pcm_type.pulse {
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lib \"" ,#~(string-append #$alsa-plugins:pulseaudio
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"/lib/alsa-lib/libasound_module_pcm_pulse.so") "\"
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}
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ctl_type.pulse {
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lib \"" ,#~(string-append #$alsa-plugins:pulseaudio
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"/lib/alsa-lib/libasound_module_ctl_pulse.so") "\"
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}
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pcm.!default {
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type pulse
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fallback \"sysdefault\"
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hint {
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show on
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description \"Default ALSA Output (currently PulseAudio Sound Server)\"
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}
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}
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ctl.!default {
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type pulse
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fallback \"sysdefault\"
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}\n\n")
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'())
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,extra-options)))))
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(define (alsa-etc-service config)
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(list `("asound.conf" ,(alsa-config-file config))))
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(define alsa-service-type
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(service-type
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(name 'alsa)
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(extensions
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(list (service-extension etc-service-type alsa-etc-service)))
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(default-value (alsa-configuration))
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(description "Configure low-level Linux sound support, ALSA.")))
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;;;
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;;; PulseAudio
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;;;
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(define-record-type* <pulseaudio-configuration>
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pulseaudio-configuration make-pulseaudio-configuration
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pulseaudio-configuration?
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(client-conf pulseaudio-configuration-client-conf
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(default '()))
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(daemon-conf pulseaudio-configuration-daemon-conf
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;; Flat volumes may cause unpleasant experiences to users
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;; when applications inadvertently max out the system volume
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;; (see e.g. <https://bugs.gnu.org/38172>).
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(default '((flat-volumes . no))))
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(script-file pulseaudio-configuration-script-file
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(default (file-append pulseaudio "/etc/pulse/default.pa")))
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(extra-script-files pulseaudio-configuration-extra-script-files
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(default '()))
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(system-script-file pulseaudio-configuration-system-script-file
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(default
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(file-append pulseaudio "/etc/pulse/system.pa"))))
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(define (pulseaudio-conf-entry arg)
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(match arg
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((key . value)
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(format #f "~a = ~s~%" key value))
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((? string? _)
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(string-append arg "\n"))))
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(define pulseaudio-environment
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(match-lambda
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(($ <pulseaudio-configuration> client-conf daemon-conf default-script-file)
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;; These config files kept at a fixed location, so that the following
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;; environment values are stable and do not require the user to reboot to
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;; effect their PulseAudio configuration changes.
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'(("PULSE_CONFIG" . "/etc/pulse/daemon.conf")
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("PULSE_CLIENTCONFIG" . "/etc/pulse/client.conf")))))
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(define (extra-script-files->file-union extra-script-files)
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"Return a G-exp obtained by processing EXTRA-SCRIPT-FILES with FILE-UNION."
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(define (file-like->name file)
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(match file
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((? local-file?)
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(local-file-name file))
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((? plain-file?)
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(plain-file-name file))
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((? computed-file?)
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(computed-file-name file))
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(_ (leave (G_ "~a is not a local-file, plain-file or \
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computed-file object~%") file))))
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(define (assert-pulseaudio-script-file-name name)
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(unless (string-suffix? ".pa" name)
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(leave (G_ "`~a' lacks the required `.pa' file name extension~%") name))
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name)
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(let ((labels (map (compose assert-pulseaudio-script-file-name
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file-like->name)
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extra-script-files)))
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(file-union "default.pa.d" (zip labels extra-script-files))))
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(define (append-include-directive script-file)
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"Append an include directive to source scripts under /etc/pulse/default.pa.d."
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(computed-file "default.pa"
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#~(begin
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(use-modules (ice-9 textual-ports))
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(define script-text
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(call-with-input-file #$script-file get-string-all))
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(call-with-output-file #$output
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(lambda (port)
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(format port (string-append script-text "
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### Added by Guix to include scripts specified in extra-script-files.
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.nofail
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.include /etc/pulse/default.pa.d~%")))))))
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(define pulseaudio-etc
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(match-lambda
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(($ <pulseaudio-configuration> client-conf daemon-conf default-script-file
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extra-script-files system-script-file)
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`(("pulse"
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,(file-union
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"pulse"
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`(("default.pa"
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,(if (null? extra-script-files)
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default-script-file
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(append-include-directive default-script-file)))
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("system.pa" ,system-script-file)
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,@(if (null? extra-script-files)
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'()
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`(("default.pa.d" ,(extra-script-files->file-union
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extra-script-files))))
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("daemon.conf"
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,(apply mixed-text-file "daemon.conf"
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"default-script-file = /etc/pulse/default.pa\n"
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(map pulseaudio-conf-entry daemon-conf)))
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("client.conf"
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,(apply mixed-text-file "client.conf"
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(map pulseaudio-conf-entry client-conf))))))))))
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(define pulseaudio-service-type
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(service-type
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(name 'pulseaudio)
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(extensions
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(list (service-extension session-environment-service-type
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pulseaudio-environment)
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(service-extension etc-service-type pulseaudio-etc)
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(service-extension udev-service-type (const (list pulseaudio)))))
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(default-value (pulseaudio-configuration))
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(description "Configure PulseAudio sound support.")))
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;;;
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;;; LADSPA
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;;;
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(define-record-type* <ladspa-configuration>
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ladspa-configuration make-ladspa-configuration
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ladspa-configuration?
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(plugins ladspa-configuration-plugins (default '())))
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(define (ladspa-environment config)
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;; Define this variable in the global environment such that
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;; pulseaudio swh-plugins (and similar LADSPA plugins) work.
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`(("LADSPA_PATH" .
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(string-join
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',(map (lambda (package) (file-append package "/lib/ladspa"))
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(ladspa-configuration-plugins config))
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":"))))
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(define ladspa-service-type
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(service-type
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(name 'ladspa)
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(extensions
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(list (service-extension session-environment-service-type
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ladspa-environment)))
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(default-value (ladspa-configuration))
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(description "Configure LADSPA plugins.")))
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;;;
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;;; Speaker Safety Daemon.
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;;;
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(define-configuration/no-serialization speakersafetyd-configuration
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(blackbox-directory
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(string "/var/lib/speakersafetyd/blackbox")
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"The directory to which blackbox files are written when the speakers are
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getting too hot. The blackbox files contain audio and debug information which
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the developers of @code{speakersafetyd} might ask for when reporting bugs.")
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(configuration-directory
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(file-like (file-append speakersafetyd "/share/speakersafetyd"))
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"The base directory as a G-expression (@pxref{G-Expressions}) that contains
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the configuration files of the speaker models.")
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(group
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(string "speakersafetyd")
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"The group to run the Speaker Safety Daemon as.")
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(log-file
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(string "/var/log/speakersafetyd.log")
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"The file name to the Speaker Safety Daemon log file.")
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(maximum-gain-reduction
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(integer 7)
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"Maximum gain reduction before panicking, useful for debugging.")
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(speakersafetyd
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(file-like speakersafetyd)
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"The Speaker Safety Daemon package to use.")
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(user
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(string "speakersafetyd")
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"The user to run the Speaker Safety Daemon as."))
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(define speakersafetyd-accounts
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(match-record-lambda <speakersafetyd-configuration>
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(group user)
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(list (user-group
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(name group)
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(system? #t))
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(user-account
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(name user)
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(group group)
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(system? #t)
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(home-directory "/var/empty")
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(shell (file-append shadow "/sbin/nologin"))
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(supplementary-groups '("audio"))))))
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(define speakersafetyd-activation
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(match-record-lambda <speakersafetyd-configuration>
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(blackbox-directory group user)
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(with-imported-modules (source-module-closure '((gnu build activation)))
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#~(begin
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(use-modules (gnu build activation))
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(let ((user (getpwnam #$user)))
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(mkdir-p/perms "/run/speakersafetyd" user #o755)
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(mkdir-p/perms "/var/lib/speakersafetyd" user #o755)
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;; Blackbox files contain audio recordings and might be sensitive
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;; information
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(mkdir-p/perms #$blackbox-directory user #o700))))))
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(define speakersafetyd-shepherd-service
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(match-record-lambda <speakersafetyd-configuration>
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( blackbox-directory configuration-directory group log-file
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maximum-gain-reduction speakersafetyd user)
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(shepherd-service
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(documentation "Run the speaker safety daemon")
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(provision '(speakersafetyd))
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(requirement '(user-processes udev))
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(start #~(make-forkexec-constructor
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(list #$(file-append speakersafetyd "/bin/speakersafetyd")
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"--config-path" #$configuration-directory
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"--blackbox-path" #$blackbox-directory
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"--max-reduction" (number->string #$maximum-gain-reduction))
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#:group #$group
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#:log-file #$log-file
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#:supplementary-groups '("audio")
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#:user #$user))
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(stop #~(make-kill-destructor)))))
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(define speakersafetyd-service-type
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(service-type
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(name 'speakersafetyd)
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(description "Run @command{speakersafetyd}, a user space daemon that
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implements an analogue of the Texas Instruments Smart Amp speaker protection
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model. It can be used to protect the speakers on Apple Silicon devices.")
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(extensions
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(list (service-extension
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shepherd-root-service-type
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(compose list speakersafetyd-shepherd-service))
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(service-extension
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udev-service-type
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(compose list speakersafetyd-configuration-speakersafetyd))
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(service-extension
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profile-service-type
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(compose list speakersafetyd-configuration-speakersafetyd))
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(service-extension account-service-type
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speakersafetyd-accounts)
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(service-extension activation-service-type
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speakersafetyd-activation)))
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(default-value (speakersafetyd-configuration))))
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;;; sound.scm ends here
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