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 +1,119 @@
+#!/usr/bin/env bash
+set -Eeuo pipefail
+
+DOTFILES_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)"
+BACKUP_ROOT="${HOME}/.dotfiles-backup/$(date +%Y%m%d-%H%M%S)"
+INSTALL_PACKAGES=true
+DRY_RUN=false
+
+PACKAGES=(
+  sway swaybg swaylock waybar wofi kitty jq curl btop
+  greetd greetd-tuigreet
+  zsh neovim git base-devel
+  grim slurp wl-clipboard mako libnotify brightnessctl playerctl
+  pipewire pipewire-pulse wireplumber pavucontrol
+  network-manager-applet polkit-gnome xdg-desktop-portal-wlr
+  noto-fonts noto-fonts-emoji ttf-jetbrains-mono-nerd
+)
+
+usage() {
+  cat <<'EOF'
+Usage: ./install.sh [--no-packages] [--dry-run] [--help]
+
+  --no-packages  Skip pacman package installation
+  --dry-run      Print actions without changing anything
+  --help         Show this help
+EOF
+}
+
+log() { printf '\033[1;34m==>\033[0m %s\n' "$*"; }
+run() {
+  if "$DRY_RUN"; then printf '    '; printf '%q ' "$@"; printf '\n';
+  else "$@"; fi
+}
+
+while (($#)); do
+  case "$1" in
+    --no-packages) INSTALL_PACKAGES=false ;;
+    --dry-run) DRY_RUN=true ;;
+    --help|-h) usage; exit 0 ;;
+    *) printf 'Unknown option: %s\n' "$1" >&2; usage >&2; exit 2 ;;
+  esac
+  shift
+done
+
+link_path() {
+  local source=$1 target=$2 relative backup
+  if [[ -L "$target" && "$(readlink -f -- "$target")" == "$(readlink -f -- "$source")" ]]; then
+    log "Already linked: $target"
+    return
+  fi
+  if [[ -e "$target" || -L "$target" ]]; then
+    relative=${target#"${HOME}/"}
+    backup="${BACKUP_ROOT}/${relative}"
+    log "Backing up $target -> $backup"
+    run mkdir -p -- "$(dirname -- "$backup")"
+    run mv -- "$target" "$backup"
+  fi
+  run mkdir -p -- "$(dirname -- "$target")"
+  log "Linking $target -> $source"
+  run ln -s -- "$source" "$target"
+}
+
+install_system_file() {
+  local source=$1 target=$2 relative backup
+  if [[ -r "$target" ]] && cmp -s -- "$source" "$target"; then
+    log "Already installed: $target"
+    return
+  fi
+  if [[ -e "$target" ]]; then
+    relative=${target#/}
+    backup="${BACKUP_ROOT}/${relative}"
+    log "Backing up $target -> $backup"
+    run mkdir -p -- "$(dirname -- "$backup")"
+    run sudo cp -- "$target" "$backup"
+  fi
+  log "Installing $target"
+  run sudo install -Dm644 -- "$source" "$target"
+}
+
+if "$INSTALL_PACKAGES"; then
+  command -v pacman >/dev/null || { echo 'pacman was not found; use --no-packages on non-Arch systems.' >&2; exit 1; }
+  log "Installing Arch packages"
+  run sudo pacman -Syu --needed "${PACKAGES[@]}"
+
+  if ! command -v yay >/dev/null; then
+    log "Installing yay from the AUR"
+    if "$DRY_RUN"; then
+      printf '    git clone https://aur.archlinux.org/yay.git <temporary-directory>/yay\n'
+      printf '    cd <temporary-directory>/yay && makepkg -si --noconfirm\n'
+    else
+      YAY_BUILD_DIR=$(mktemp -d)
+      git clone https://aur.archlinux.org/yay.git "$YAY_BUILD_DIR/yay"
+      (
+        cd "$YAY_BUILD_DIR/yay"
+        makepkg -si --noconfirm
+      )
+      rm -rf -- "$YAY_BUILD_DIR"
+      unset YAY_BUILD_DIR
+    fi
+  fi
+
+  install_system_file "$DOTFILES_DIR/system/greetd/config.toml" /etc/greetd/config.toml
+  log "Enabling greetd"
+  run sudo systemctl enable greetd.service
+fi
+
+for source in "$DOTFILES_DIR"/config/*; do
+  [[ -e "$source" ]] || continue
+  link_path "$source" "$HOME/.config/$(basename -- "$source")"
+done
+for source in "$DOTFILES_DIR"/home/.[!.]* "$DOTFILES_DIR"/home/..?*; do
+  [[ -e "$source" ]] || continue
+  link_path "$source" "$HOME/$(basename -- "$source")"
+done
+
+if [[ "${SHELL:-}" != */zsh ]]; then
+  log "Zsh is installed. Run 'chsh -s /bin/zsh' to make it your login shell."
+fi
+log "Installation complete. Reload Sway with Alt+Shift+r."