setup.sh

#!/bin/bash

set -e

echo "[*] Installing i3wm environment + Polybar + essentials..."

sudo pacman -Syu --noconfirm

sudo pacman -S --noconfirm \
  i3-gaps polybar rofi feh picom \
  lxappearance arc-gtk-theme papirus-icon-theme ttf-dejavu ttf-font-awesome \
  xclip xdotool xorg-server xorg-xinit xorg-xset xorg-xrandr \
  pavucontrol pulseaudio playerctl pamixer \
  network-manager-applet nm-connection-editor \
  brightnessctl acpi acpid \
  thunar gvfs gvfs-mtp tumbler xfce4-power-manager \
  flameshot nitrogen xfce4-terminal

echo "[*] Enabling services..."
sudo systemctl enable --now acpid NetworkManager

echo "[*] Creating config directories..."
mkdir -p ~/.config/{i3,polybar,rofi,gtk-3.0,picom}
mkdir -p ~/Pictures/Wallpapers

echo "[*] Downloading wallpaper..."
curl -sfLo ~/Pictures/Wallpapers/default.jpg https://wallpapercave.com/wp/wp12488922.png || echo "Wallpaper download failed, skipping."

echo "[*] Writing i3 config..."

cat > ~/.config/i3/config <<'EOF'
set $mod Mod4
font pango:DejaVu Sans Mono 10

exec_always --no-startup-id feh --bg-fill ~/Pictures/Wallpapers/default.jpg
exec_always --no-startup-id picom --config ~/.config/picom/picom.conf
exec --no-startup-id nm-applet
exec --no-startup-id xfce4-power-manager
exec --no-startup-id ~/.config/polybar/launch.sh

bindsym $mod+Return exec xfce4-terminal
bindsym $mod+d exec rofi -show drun
bindsym $mod+Shift+q kill
bindsym $mod+Shift+e exec --no-startup-id i3-msg exit

# Sound controls
bindsym XF86AudioRaiseVolume exec pamixer -i 5
bindsym XF86AudioLowerVolume exec pamixer -d 5
bindsym XF86AudioMute exec pamixer -t

# Brightness controls
bindsym XF86MonBrightnessUp exec brightnessctl set +10%
bindsym XF86MonBrightnessDown exec brightnessctl set 10%-

# Screenshots
bindsym Print exec flameshot gui

# Focus new windows on current workspace
focus_follows_mouse no

EOF

echo "[*] Writing picom config..."

cat > ~/.config/picom/picom.conf <<'EOF'
backend = "glx";
vsync = true;
shadow = true;
fading = true;
fade-in-step = 0.03;
fade-out-step = 0.03;
inactive-opacity = 0.92;
active-opacity = 1.0;
frame-opacity = 0.8;
corner-radius = 10;
EOF

echo "[*] Writing GTK settings..."

cat > ~/.config/gtk-3.0/settings.ini <<EOF
[Settings]
gtk-theme-name=Arc-Dark
gtk-icon-theme-name=Papirus
gtk-font-name=DejaVu Sans 10
EOF

echo "[*] Writing Polybar launch script..."

cat > ~/.config/polybar/launch.sh <<'EOF'
#!/bin/bash

killall -q polybar

while pgrep -u $UID -x polybar >/dev/null; do sleep 0.1; done

polybar example &
EOF

chmod +x ~/.config/polybar/launch.sh

echo "[*] Writing Polybar config..."

cat > ~/.config/polybar/config <<'EOF'
[bar/example]
width = 100%
height = 28
background = #222222
foreground = #bbbbbb
font-0 = DejaVu Sans Mono:size=10;0
modules-left = date volume pulseaudio
modules-center =
modules-right = cpu memory

[module/date]
type = internal/date
format = %Y-%m-%d %H:%M:%S

[module/volume]
type = internal/volume
format-volume =   %volume%%
format-muted =  muted

[module/pulseaudio]
type = internal/pulseaudio
format =   %volume%%
EOF

echo "[*] Setting up auto-start i3 with startx on TTY login..."

# Add startx to ~/.bash_profile if not present
if ! grep -q "startx" ~/.bash_profile 2>/dev/null; then
  echo -e "\n# Start X (i3) automatically on TTY login\n[[ -z \$DISPLAY && \$XDG_VTNR -eq 1 ]] && exec startx\n" >> ~/.bash_profile
fi

# Make sure ~/.xinitrc exists and runs i3
if ! grep -q "exec i3" ~/.xinitrc 2>/dev/null; then
  echo "exec i3" >> ~/.xinitrc
fi

echo "[✓] Setup complete! Reboot, login on tty1, and i3 + polybar will start automatically."

echo "If you want graphical login manager (LightDM, GDM etc.), let me know to configure properly."