commit 381f4c263cf66abf8a46f2d4f0bf002ac2ec128e
Author: apt <apt@mac.com>
Date:   Fri Aug 8 19:23:16 2025 +0100

    Initial commit
    
    first version

diff --git a/fish_installer.sh b/fish_installer.sh
new file mode 100644
index 0000000..a72c187
--- /dev/null
+++ b/fish_installer.sh
@@ -0,0 +1,164 @@
+#!/bin/bash
+
+set -e
+
+# 🔍 Detect OS and Package Manager
+detect_platform() {
+    if [[ "$OSTYPE" == "darwin"* ]]; then
+        OS="macos"
+        if ! command -v brew &>/dev/null; then
+            echo "🍺 Homebrew not found. Install it now? (y/N): "
+            read -r confirm
+            if [[ "$confirm" =~ ^[Yy]$ ]]; then
+                /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
+                echo 'eval "$(/opt/homebrew/bin/brew shellenv)"' >> ~/.zprofile
+                eval "$(/opt/homebrew/bin/brew shellenv)"
+            else
+                echo "❌ Homebrew is required to install Fish on macOS. Exiting."
+                exit 1
+            fi
+        fi
+        PKG_MGR="brew"
+    elif command -v apt &>/dev/null; then
+        OS="debian"
+        PKG_MGR="apt"
+    elif command -v dnf &>/dev/null; then
+        OS="rhel"
+        PKG_MGR="dnf"
+    elif command -v yum &>/dev/null; then
+        OS="rhel"
+        PKG_MGR="yum"
+    elif command -v pacman &>/dev/null; then
+        OS="arch"
+        PKG_MGR="pacman"
+    else
+        echo "❌ Unsupported platform."
+        exit 1
+    fi
+}
+
+# 🔐 Install gpg if not present (only for Debian)
+install_gpg_if_needed() {
+    if [[ "$OS" == "debian" ]] && ! command -v gpg &>/dev/null; then
+        echo "🔑 gpg not found. Installing..."
+        sudo apt update && sudo apt install -y gnupg
+    fi
+}
+
+# 📦 Add Fish shell repo for Debian/Ubuntu
+add_fish_repo_debian() {
+    echo "Adding Fish shell repo for Debian/Ubuntu..."
+    echo 'deb http://download.opensuse.org/repositories/shells:/fish:/release:/4/Debian_12/ /' | \
+        sudo tee /etc/apt/sources.list.d/fish.list
+    curl -fsSL https://download.opensuse.org/repositories/shells:fish:release:4/Debian_12/Release.key | \
+        gpg --dearmor | sudo tee /etc/apt/trusted.gpg.d/fish.gpg > /dev/null
+    sudo apt update
+}
+
+# 🐟 Install Fish shell
+install_fish() {
+    echo "🐟 Installing Fish shell for $OS..."
+
+    case "$OS" in
+        debian)
+            add_fish_repo_debian
+            sudo apt install -y fish
+            ;;
+        rhel)
+            sudo $PKG_MGR install -y fish
+            ;;
+        arch)
+            sudo pacman -Sy --noconfirm fish
+            ;;
+        macos)
+            brew install fish
+            ;;
+    esac
+}
+
+# ♻️ Check for updates to Fish shell
+update_fish() {
+    echo "🔄 Checking for updates to Fish shell..."
+    case "$PKG_MGR" in
+        apt)
+            sudo apt update
+            if apt list --upgradable 2>/dev/null | grep -q "^fish/"; then
+                read -rp "An update is available. Update Fish? (y/N): " confirm
+                [[ "$confirm" =~ ^[Yy]$ ]] && sudo apt install -y fish
+            else
+                echo "✅ Fish is already up to date."
+            fi
+            ;;
+        dnf|yum)
+            sudo $PKG_MGR check-update || true
+            if $PKG_MGR list updates | grep -q "^fish"; then
+                read -rp "An update is available. Update Fish? (y/N): " confirm
+                [[ "$confirm" =~ ^[Yy]$ ]] && sudo $PKG_MGR update -y fish
+            else
+                echo "✅ Fish is already up to date."
+            fi
+            ;;
+        pacman)
+            sudo pacman -Sy --noconfirm
+            if pacman -Qu | grep -q "^fish"; then
+                read -rp "An update is available. Update Fish? (y/N): " confirm
+                [[ "$confirm" =~ ^[Yy]$ ]] && sudo pacman -S --noconfirm fish
+            else
+                echo "✅ Fish is already up to date."
+            fi
+            ;;
+        brew)
+            brew update
+            if brew outdated | grep -q "^fish"; then
+                read -rp "An update is available. Update Fish? (y/N): " confirm
+                [[ "$confirm" =~ ^[Yy]$ ]] && brew upgrade fish
+            else
+                echo "✅ Fish is already up to date."
+            fi
+            ;;
+    esac
+}
+
+# 🎣 Install Fisher plugin manager
+install_fisher() {
+    if [[ ! -d ~/.config/fish/functions ]]; then
+        mkdir -p ~/.config/fish/functions
+    fi
+
+    echo "🎣 Installing Fisher plugin manager..."
+    fish -c 'curl -sL https://git.io/fisher | source && fisher install jorgebucaran/fisher'
+}
+
+# 🧩 Install recommended plugins
+install_fish_plugins() {
+    echo "🧩 Installing Fish plugins..."
+    fish -c "
+        fisher install jorgebucaran/fisher
+        fisher install jethrokuan/z
+        fisher install ilancosman/tide
+        fisher install jorgebucaran/nvm.fish
+    "
+}
+
+# 🏁 Main script
+detect_platform
+install_gpg_if_needed
+
+if command -v fish &>/dev/null; then
+    echo "✅ Fish shell is already installed."
+    update_fish
+else
+    install_fish
+fi
+
+# Ask if user wants to install Fisher and plugins
+read -rp "Do you want to install Fisher plugin manager and some plugins? (y/N): " install_plugins
+if [[ "$install_plugins" =~ ^[Yy]$ ]]; then
+    install_fisher
+    install_fish_plugins
+    echo "🎉 Fisher and plugins installed!"
+else
+    echo "👍 Skipping plugin installation."
+fi
+
+echo "✅ Fish shell setup complete on $OS!"