install tools using bash script on mac

setup/mac_installer.sh

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+#!/bin/bash
+
+# TDT4102 Tools Installation Script for macOS
+# Installs: Xcode CLI Tools, Homebrew, Meson, Ninja, SDL2 libraries
+
+set -e # Exit on error
+
+# 
+MIN_MACOS_VERSION="14.0.0"
+MIN_MESON_VERSION="1.11.0"
+
+INSTALL_XCODE=0
+INSTALL_HOMEBREW=0
+INSTALL_MESON=0
+INSTALL_LIBS=0
+
+version_gte() {
+    local v1 v2
+    IFS='.' read -ra v1 <<< "$1"
+    IFS='.' read -ra v2 <<< "$2"
+    for i in 0 1 2; do
+        local n1=${v1[$i]:-0} n2=${v2[$i]:-0}
+        (( n1 > n2 )) && return 0
+        (( n1 < n2 )) && return 1
+    done
+    return 0
+}
+
+check_macos_version() {
+    local version
+    version=$(sw_vers -productVersion)
+    if ! version_gte "$version" "$MIN_MACOS_VERSION"; then
+        echo "macOS $version is not supported (minimum: $MIN_MACOS_VERSION)"
+        echo "Please update macOS or contact course staff."
+        return 1
+    fi
+}
+
+install_xcode_tools() {
+    echo "Checking if Xcode Command Line Tools are installed... "
+    if xcode-select -p &>/dev/null; then
+        echo "Xcode Command Line Tools are already installed, skipping..."
+        return 0
+    fi
+
+    echo "Xcode Command Line Tools are not installed!"
+    echo "Installing Xcode Command Line Tools..."
+    echo "A dialog may appear - please follow the instructions."
+    echo "This may take a while..."
+
+    xcode-select --install 2>/dev/null || true
+
+    #xcode-select --install returns immediately (new process starts), so we timeout to wait for installation
+    local timeout=1800 elapsed=0
+    while ! xcode-select -p &>/dev/null; do
+        sleep 5
+        elapsed=$((elapsed + 5))
+        if [ $elapsed -ge $timeout ]; then
+            echo "Xcode installation timed out. Run manually: xcode-select --install"
+            return 1
+        fi
+    done
+    echo "Xcode Command Line Tools installed."
+    return 0
+}
+
+install_homebrew() {
+    echo "Checking if Homebrew is installed..."
+    if command -v brew &>/dev/null; then
+        echo "Homebrew is already installed, skipping..."
+        return 0
+    fi
+
+    echo "Homebrew is not installed!"
+    echo "Installing Homebrew..."
+    echo "You might be asked for your password during installation."
+
+    /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
+
+    local arch
+    arch=$(uname -m)
+
+    # Apple Silicon
+    if [ "$arch" = "arm64" ]; then
+        if [ ! -f ~/.zshenv ] || ! grep -q '/opt/homebrew/bin/brew shellenv' ~/.zshenv; then
+            echo 'eval "$(/opt/homebrew/bin/brew shellenv)"' >> ~/.zshenv
+        fi
+        eval "$(/opt/homebrew/bin/brew shellenv)"
+    else
+        # Intel
+        if [ ! -f ~/.zshenv ] || ! grep -q '/usr/local/opt' ~/.zshenv; then
+            echo 'PATH="/usr/local/opt:$PATH"' >> ~/.zshenv
+        fi
+        export PATH="/usr/local/opt:$PATH"
+    fi
+
+    [ -f ~/.zshenv ] && source ~/.zshenv
+
+    if command -v brew &>/dev/null; then
+        echo "Homebrew installed."
+        return 0
+    else
+        echo "Homebrew installation failed."
+        return 1
+    fi
+}
+
+install_meson() {
+    echo "Installing Meson and Ninja"
+
+    brew install meson
+
+    # Check Meson
+    if ! command -v meson &>/dev/null; then
+        echo "Meson installation failed."
+        return 1
+    fi
+    local meson_version
+    meson_version=$(meson --version)
+    if ! version_gte "$meson_version" "$MIN_MESON_VERSION"; then
+        echo "Meson version outdated. Try: brew upgrade meson"
+        return 1
+    fi
+    # Check Ninja
+    if ! command --version ninja &>/dev/null; then
+        echo "Ninja installation failed."
+        return 1
+    fi
+}
+
+
+install_libraries() {
+    echo "Installing required libraries..."
+    local libs=(
+        "sdl2"
+        "sdl2_image"
+        "sdl2_mixer"
+        "jpeg-turbo"
+        "libpng"
+        "libtiff"
+        "cmake"
+    )
+    brew install "${libs[@]}"
+
+    # Check libraries
+    local installed all_ok=true
+    installed=$(brew list)
+    for pkg in "sdl2" "sdl2_image" "sdl2_mixer" "jpeg-turbo" "libpng" "libtiff" "cmake"; do
+        if ! echo "$installed" | grep -q "$pkg"; then
+            echo "Package '$pkg' failed to install."
+            all_ok=false
+        fi
+    done
+    if [ "$all_ok" = true ]; then
+        echoe "All libraries installed."
+        return 0
+    else
+        echo "One or more libraries failed to install."
+        return 1
+    fi
+}
+
+main() {
+    echo "TDT4102 Tools Installation Script for macOS"
+    echo "PLEASE KEEP THIS WINDOW OPEN UNTIL PROMPTED"
+
+    # default install everything
+    if [[ $# -eq 0 ]]; then
+    INSTALL_XCODE=1
+    INSTALL_HOMEBREW=1
+    INSTALL_MESON=1
+    INSTALL_LIBS=1
+    else
+        while [[ $# -gt 0 ]]; do
+            case $1 in
+            --xcode) INSTALL_XCODE=1 ;;
+            --homebrew) INSTALL_HOMEBREW=1 ;;
+            --meson) INSTALL_MESON=1 ;;
+            --libs) INSTALL_LIBS=1 ;;
+            *) err "Unknown option: $1";;
+            esac
+            shift
+        done
+    fi
+
+
+    # Check macOS version
+    if ! check_macos_version; then
+        exit 1
+    fi
+
+
+    [[ $INSTALL_XCODE -eq 1 ]] && install_xcode
+    [[ $INSTALL_HOMEBREW -eq 1 ]] && install_brew
+
+    if [[ $INSTALL_HOMEBREW -eq 1 || $INSTALL_MESON -eq 1 || $INSTALL_LIBS -eq 1 ]]; then
+        echo "Updating Homebrew..."
+        brew update || echo "update failed"
+        brew upgrade || echo "upgrade failed"
+    fi
+
+    [[ $INSTALL_MESON -eq 1 ]] && install_meson
+    [[ $INSTALL_LIBS -eq 1 ]] && install_libraries
+
+    echo "\nInstallation completed! Please restart VS Code before continuing\n"
+    read -r -p "Press enter to exit"
+}
+
+#Run main
+main "$@"