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programs: wob: split the script into an actual package

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This commit is contained in:
Colin 2024-02-12 08:17:14 +00:00
parent c0883dc777
commit 8b26fa1303
3 changed files with 55 additions and 57 deletions
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2
hosts/common/programs/default.nix
View File

@ -89,7 +89,7 @@
./wike.nix
./wine.nix
./wireshark.nix
./wob.nix
./wob
./xarchiver.nix
./xdg-desktop-portal.nix
./xdg-utils.nix

62
hosts/common/programs/wob.nix → hosts/common/programs/wob/default.nix
View File

@ -8,6 +8,11 @@
#
{ config, lib, pkgs, ... }:
let
wob-pulse = pkgs.static-nix-shell.mkBash {
pname = "wob-pulse";
src = ./.;
pkgs = [ "gnugrep" "gnused" "pulseaudio" ];
};
cfg = config.sane.programs.wob;
in
{
@ -77,67 +82,12 @@ in
description = "notify wob when pulseaudio volume changes";
wantedBy = [ "wob.service" ];
serviceConfig = {
Exec = "${wob-pulse}/bin/wob-pulse";
Type = "simple";
Restart = "always";
RestartSec = "20s";
};
path = with pkgs; [
# coreutils
gnugrep
gnused
pulseaudio
];
# environment.WOB_VERBOSE = "1";
script = ''
debug() {
printf "$@" >&2
printf "\n" >&2
}
verbose() {
if [ "$WOB_VERBOSE" = "1" ]; then
debug "$@"
fi
}
volismuted() {
pactl get-sink-mute @DEFAULT_SINK@ | grep -q "Mute: yes"
}
volget() {
if volismuted; then
verbose "muted"
printf "0"
else
pactl get-sink-volume @DEFAULT_SINK@ | head -n1 | cut -d'/' -f2 | sed 's/ //g' | sed 's/\%//'
fi
}
notify_volume_change() {
verbose "notify_volume_change"
vol=$(volget)
verbose "got volume: %d -> %d" "$lastvol" "$vol"
if [ "$vol" != "$lastvol" ]; then
debug "notify wob: %d -> %d" "$lastvol" "$vol"
printf "%s\n" "$vol" > "$XDG_RUNTIME_DIR/${cfg.config.sock}"
fi
lastvol="$vol"
}
pactl subscribe | while read -r line; do
verbose "pactl says: %s" "$line"
case "$line" in
"Event 'change' on sink "*)
notify_volume_change
;;
"Event 'change' on source "*)
# microphone volume changed. ignore.
;;
esac
done
'';
};
};
}

48
hosts/common/programs/wob/wob-pulse Executable file
View File

@ -0,0 +1,48 @@
#!/usr/bin/env nix-shell
#!nix-shell -i bash -p gnugrep -p gnused -p pulseaudio
debug() {
printf "$@" >&2
printf "\n" >&2
}
verbose() {
if [ "$WOB_VERBOSE" = "1" ]; then
debug "$@"
fi
}
volismuted() {
pactl get-sink-mute @DEFAULT_SINK@ | grep -q "Mute: yes"
}
volget() {
if volismuted; then
verbose "muted"
printf "0"
else
pactl get-sink-volume @DEFAULT_SINK@ | head -n1 | cut -d'/' -f2 | sed 's/ //g' | sed 's/\%//'
fi
}
notify_volume_change() {
verbose "notify_volume_change"
vol=$(volget)
verbose "got volume: %d -> %d" "$lastvol" "$vol"
if [ "$vol" != "$lastvol" ]; then
debug "notify wob: %d -> %d" "$lastvol" "$vol"
printf "%s\n" "$vol" > "$XDG_RUNTIME_DIR/${cfg.config.sock}"
fi
lastvol="$vol"
}
pactl subscribe | while read -r line; do
verbose "pactl says: %s" "$line"
case "$line" in
"Event 'change' on sink "*)
notify_volume_change
;;
"Event 'change' on source "*)
# microphone volume changed. ignore.
;;
esac
done