Add fish shell install and config

fish.sh

@@ -0,0 +1,105 @@
+#!/usr/bin/bash
+
+skip_watermark=false
+if [ "$1" = "--skip-watermark" ]; then
+    skip_watermark=true
+fi
+
+if [ "$skip_watermark" = false ]; then
+echo '
+     ____                _       _       _       _ _
+    | __ ) _   _    __ _| |_   _(_)_ __ | | ___ | | | ___
+    |  _ \| | | |  / _  | \ \ / / |  _ \| |/ _ \| | |/ _ \
+    | |_) | |_| | | (_| | |\ V /| | | | | | (_) | | | (_) |
+    |____/ \__  |  \__ _|_| \_/ |_|_| |_|_|\___/|_|_|\___/
+            |___/
+
+    --------------- FISH Install Script ---------------
+  BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE UNDER THE GPL-2.0 LICENCE, THERE IS NO WARRANTY
+  FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. See the LICENCE for more detail
+'
+fi
+
+# Show disclaimer
+echo "This script will add fish functions and install fish"
+
+# Enable exit on error
+set -eu
+
+# Install prerequisites if installed skips
+
+if ! command -v zsh >/dev/null && command -v git >/dev/null && command -v curl >/dev/null && command -v fzf >/dev/null; then
+  if command -v pacman >/dev/null; then
+    echo "pacman detected. Installing prerequisites"
+    sudo pacman -S fish git curl fzf --noconfirm
+  fi
+
+  if command -v apt >/dev/null; then
+    echo "apt detected. Installing prerequisites"
+    sudo apt install git curl fish fzf -y
+  fi
+fi
+
+fish=$(which fish)
+
+# Clone or pull end-4 dotfiles repository
+if [ -d dots-hyprland ]; then
+    cd dots-hyprland && git pull && cd ..
+else
+    git clone https://github.com/end-4/dots-hyprland.git
+fi
+
+# Copy fish config files from end-4 to git repo if they don't exist
+if [ ! -f configs/fish/config.fish ]; then
+    cp dots-hyprland/dots/.config/fish/config.fish configs/fish/config.fish
+fi
+
+if [ ! -f configs/fish/auto-Hypr.fish ]; then
+    cp dots-hyprland/dots/.config/fish/auto-Hypr.fish configs/fish/auto-Hypr.fish
+fi
+
+if [ ! -f configs/fish/fish_variables ]; then
+    cp dots-hyprland/dots/.config/fish/fish_variables configs/fish/fish_variables
+fi
+
+# Copy color configs from end-4 to git repo if they don't exist
+if [ ! -f configs/hypr/hyprland/colors.conf ]; then
+    cp dots-hyprland/dots/.config/hypr/hyprland/colors.conf configs/hypr/hyprland/colors.conf
+fi
+
+if [ ! -f configs/hypr/hyprlock/colors.conf ]; then
+    cp dots-hyprland/dots/.config/hypr/hyprlock/colors.conf configs/hypr/hyprlock/colors.conf
+fi
+
+# Run end-4 setup script with flags to skip unnecessary components
+dots-hyprland/setup install --force --skip-plasmaintg --skip-backup --skip-quickshell --skip-hyprland --skip-hyprland-entry
+
+# Create fish config directory
+mkdir -p "$HOME/.config/fish"
+
+# Copy fish config files to user config if they don't exist
+if [ ! -f "$HOME/.config/fish/config.fish" ]; then
+    cp configs/fish/config.fish "$HOME/.config/fish/config.fish"
+fi
+
+if [ -d configs/fish/functions ] && [ ! -d "$HOME/.config/fish/functions" ]; then
+    cp -r configs/fish/functions "$HOME/.config/fish/"
+fi
+
+if [ -d configs/fish/conf.d ] && [ ! -d "$HOME/.config/fish/conf.d" ]; then
+    cp -r configs/fish/conf.d "$HOME/.config/fish/"
+fi
+
+if [ ! -f "$HOME/.config/fish/auto-Hypr.fish" ]; then
+    cp configs/fish/auto-Hypr.fish "$HOME/.config/fish/"
+fi
+
+# Copy color configs to user config if they don't exist
+if [ ! -f "$HOME/.config/hypr/hyprland/colors.conf" ]; then
+    cp configs/hypr/hyprland/colors.conf "$HOME/.config/hypr/hyprland/colors.conf"
+fi
+
+if [ ! -f "$HOME/.config/hypr/hyprlock/colors.conf" ]; then
+    cp configs/hypr/hyprlock/colors.conf "$HOME/.config/hypr/hyprlock/colors.conf"
+fi
+