scripts: rewrite volumecontrol script to sh

More portable than luajit I guess (no need to install anything to run).
Also stop templating `fzmp` script.

roles/scripts/files/bin/fzmp

@@ -1,7 +1,6 @@
 #!/bin/bash
 
-export MPD_HOST="{{ ansible_env.XDG_RUNTIME_DIR }}/mpd.sock"
-{%- raw %}
+export MPD_HOST="${XDG_RUNTIME_DIR:-/run/user/$(id -u)}/mpd.sock"
 declare -r config_file="${XDG_CONFIG_HOME:-$HOME/.config}/fzmp/conf"
 
 usage() {
@@ -413,4 +412,3 @@ is_running mpd || [[ -v MPD_HOST ]] || die "can't connect to mpd"
 
 tput smcup
 "$default_filter"
-{%- endraw %}

roles/scripts/files/libexec/wayland/volumecontrol

@@ -1,87 +1,60 @@
-#!/usr/bin/luajit
+#!/bin/sh -e
 
-local fmt = string.format
-local argv = table.pack(...)
-local icon_dir = os.getenv('XDG_DATA_HOME') .. '/icons/notifications/'
-local volume_step = 0.05
+icon_dir="${XDG_DATA_HOME:-$HOME/.local/share}/icons/notifications"
+volume_step=0.05
 
-local function print_help()
-    io.stdout:write(fmt([[
-Usage: volumecontrol [--increase|--decrease|--toggle-source|--toggle]
-    --increase     : Increase volume of default sink by %s
-    --decrease     : Decrease volume of default sink by %s
-    --toggle       : Toggle mute state of default sink
-    --toggle-source: Toggle mute state of default source
-]], volume_step, volume_step))
-end
+_notify_volume() {
+	volume="$(wpctl get-volume @DEFAULT_AUDIO_SINK@ | awk '{print $2*100}')"
+	notify-send -u normal -t 1000 -a "Volume control" \
+		-h string:synchronous:audio \
+		-h string:x-canonical-private-synchronous:audio \
+		-h int:value:"$volume" \
+		-i "${icon_dir}/speaker.png" \
+		"Volume" "${volume}%"
+}
 
-if #argv == 0 then
-    print_help()
-    return
-end
+_notify_mute() {
+	if ! (printf "SINK\nSOURCE" | grep -q -F "$1"); then
+		return 1
+	fi
 
-local action = argv[1]:match('%-%-(.+)')
-local options = { 'toggle', 'toggle-source', 'increase', 'decrease' }
+	status="$(wpctl get-volume @DEFAULT_AUDIO_"$1"@ | awk '{print $2*100 ":" $3}')"
+	volume="$(printf "%d" "${status%%:*}")"
 
-local function findValue(tbl, value)
-    for _, v in pairs(tbl) do
-        if v == value then
-            return true
-        end
-    end
-    return false
-end
+	class="$([ "$1" = "SINK" ] && printf "Sound" || printf "Microphone")"
+	icon="$([ "$1" = "SINK" ] && printf "speaker.png" || printf "microphone.png")"
+	state="$([ "${status##*:}" = "[MUTED]" ] && printf "muted" || printf "unmuted")"
 
-if not findValue(options, action) then
-    print_help()
-    return
-end
+	notify-send -u normal -t 2000 \
+		-i "${icon_dir}/${icon}" \
+		"${class} ${state}" "Volume: ${volume}%"
+}
 
-local function read_output(command)
-    -- No buffering to get all output at once
-    io.stdout:setvbuf('no')
-
-    local file = assert(io.popen(command, 'r'))
-    file:flush() -- receive all the output immediately (in case the output is big)
-    local output = file:read('a')
-    file:close()
-
-    return output
-end
-
-if action == 'toggle' or action == 'toggle-source' then
-    local target = action == 'toggle' and 'SINK' or 'SOURCE'
-    local ok = os.execute('/usr/bin/wpctl set-mute @DEFAULT_AUDIO_' .. target .. '@ toggle')
-
-    if ok then
-        local status = read_output('/usr/bin/wpctl get-volume @DEFAULT_AUDIO_' .. target .. '@')
-        local class = action == 'toggle' and 'Sound' or 'Microphone'
-        -- Round the volume to 2 decimal numbers
-        local volume = tonumber(fmt('%.2f', status:match('Volume: (%S+)'))) * 100
-        -- Either nil or the string 'MUTED' is returned
-        local mute = status:match('Volume: %S+ %[(%S+)%]')
-
-        if mute == 'MUTED' then
-            local icon = icon_dir .. (action == 'toggle' and 'mute.png' or 'microphone_mute.png')
-            os.execute('/usr/bin/notify-send -u normal -t 2000 -i ' ..
-                icon .. ' "' .. class .. ' muted" "Volume: ' .. volume .. '%"')
-        else
-            local icon = icon_dir .. (action == 'toggle' and 'speaker.png' or 'microphone.png')
-            os.execute('/usr/bin/notify-send -u normal -t 2000 -i ' ..
-                icon .. ' "' .. class .. ' unmuted" "Volume: ' .. volume .. '%"')
-        end
-    end
-else
-    local direction = action == 'increase' and '+' or '-'
-    local ok = os.execute('/usr/bin/wpctl set-volume @DEFAULT_AUDIO_SINK@ ' .. volume_step .. direction)
-
-    if ok then
-        local status = read_output('/usr/bin/wpctl get-volume @DEFAULT_AUDIO_SINK@')
-        local volume = tonumber(fmt('%.2f', status:match('Volume: (%S+)'))) * 100
-        os.execute('/usr/bin/notify-send -u normal -t 1000 -a "Volume control" ' ..
-            '-h string:synchronous:audio ' ..
-            '-h string:x-canonical-private-synchronous:audio ' ..
-            '-h int:value:' .. volume .. ' -i ' .. icon_dir .. 'speaker.png ' ..
-            '"Volume" "' .. volume .. '%"')
-    end
-end
+case "$1" in
+	--toggle)
+		wpctl set-mute @DEFAULT_AUDIO_SINK@ toggle
+		_notify_mute SINK
+		;;
+	--toggle-source)
+		wpctl set-mute @DEFAULT_AUDIO_SOURCE@ toggle
+		_notify_mute SOURCE
+		;;
+	--increase)
+		wpctl set-volume @DEFAULT_AUDIO_SINK@ "${volume_step}+"
+		_notify_volume
+		;;
+	--decrease)
+		wpctl set-volume @DEFAULT_AUDIO_SINK@ "${volume_step}-"
+		_notify_volume
+		;;
+	*)
+		cat <<-EOF
+		Usage: volumecontrol [--increase|--decrease|--toggle|--toggle-source]
+		    --increase     : Increase volume of default sink by $volume_step
+		    --decrease     : Decrease volume of default sink by $volume_step
+		    --toggle       : Toggle mute state of default sink
+		    --toggle-source: Toggle mute state of default source
+		EOF
+		exit 1
+		;;
+esac

roles/scripts/tasks/main.yml

@@ -14,15 +14,6 @@
     dest: '{{ xdg_dir.bin_home }}/'
     mode: '755'
 
-- name: Copy templates to XDG_BIN_HOME
-  template:
-    src: '{{ item }}.j2'
-    dest: '{{ xdg_dir.bin_home }}/{{ item }}'
-    force: true
-    mode: '755'
-  loop:
-    - fzmp
-
 - name: Synchronize libexec
   ansible.posix.synchronize:
     src: libexec/