Add Arch Wayland dotfiles: sway/waybar/kitty/nvim/zsh, idempotent installer

Auto-adapts sway workspace routing to however many monitors are connected (laptop vs. desktop) instead of hardcoding output names.
2026-08-21 22:59:26 -05:00
commit 5c57ee20f7
35 changed files with 870 additions and 0 deletions
@@ -0,0 +1,51 @@
+#!/usr/bin/env bash
+set -Eeuo pipefail
+
+sink_ids=()
+current_index=-1
+
+while IFS=$'\t' read -r id is_default; do
+  [[ -n "$id" ]] || continue
+  sink_ids+=("$id")
+  [[ "$is_default" == true ]] && current_index=$((${#sink_ids[@]} - 1))
+done < <(
+  wpctl status -n | awk '
+    /^Audio$/ {in_audio = 1; next}
+    /^Video$/ {in_audio = 0; in_sinks = 0}
+    in_audio && /Sinks:/ {in_sinks = 1; next}
+    /Sources:/ {in_sinks = 0}
+    in_audio && in_sinks && match($0, /[0-9]+\./) {
+      id = substr($0, RSTART, RLENGTH - 1)
+      print id "\t" (index($0, "*") ? "true" : "false")
+    }
+  '
+)
+
+((${#sink_ids[@]} > 0)) || exit 0
+next_index=$(((current_index + 1) % ${#sink_ids[@]}))
+next_sink_id="${sink_ids[$next_index]}"
+wpctl set-default "$next_sink_id"
+
+# Move existing playback streams too; set-default alone only affects new ones.
+while read -r stream_id; do
+  [[ -n "$stream_id" ]] || continue
+  if wpctl inspect "$stream_id" 2>/dev/null | grep -q 'media.class = "Stream/Output/Audio"'; then
+    wpctl set-target "$stream_id" "$next_sink_id" 2>/dev/null || true
+  fi
+done < <(
+  wpctl status -n | awk '
+    /^Audio$/ {in_audio = 1; next}
+    /^Video$/ {in_audio = 0; in_streams = 0}
+    in_audio && /Streams:/ {in_streams = 1; next}
+    in_audio && in_streams && match($0, /[0-9]+\./) {
+      print substr($0, RSTART, RLENGTH - 1)
+    }
+  '
+)
+
+sink_name=$(
+  wpctl inspect "$next_sink_id" \
+    | awk -F' = ' '/node.nick/ {gsub(/^"|"$/, "", $2); print $2; exit}'
+)
+[[ -n "$sink_name" ]] || sink_name="Output $next_sink_id"
+notify-send -a Waybar -u low -r 9102 "Audio output changed" "$sink_name"