♻️ (install.sh): refactor package installation to support multiple OSes

✨ (install.sh): add OS detection and package installation functions for modularity

install.sh

@@ -27,35 +27,56 @@ else
     echo ".gitconfig does not exist, no backup created."
 fi
 
-# Check if sudo is installed, if not, install it
-if ! command -v sudo &> /dev/null; then
-    echo "sudo is not installed. Installing sudo..."
-    if command -v apt &> /dev/null; then
-        apt update && apt install -y sudo
-    elif command -v pacman &> /dev/null; then
-        pacman -S sudo
-    elif command -v dnf &> /dev/null; then
-        dnf install -y sudo
-    elif command -v yum &> /dev/null; then
-        yum install -y sudo
-    elif command -v brew &> /dev/null; then
-        brew install sudo
-    elif command -v pkg &> /dev/null; then
-        pkg install sudo
+# Function to detect the operating system
+detect_os() {
+    if [[ "$OSTYPE" == "darwin"* ]]; then
+        echo "macos"
+    elif [[ -f /etc/os-release ]]; then
+        . /etc/os-release
+        echo "$ID"
     else
-        echo "Package manager not found. Please install sudo manually."
-        exit 1
+        echo "unknown"
     fi
-fi
+}
 
+# Function to install packages
+install_packages() {
+    local os=$(detect_os)
+    case $os in
+        macos)
+            if ! command -v brew &> /dev/null; then
+                echo "Homebrew is not installed. Installing Homebrew..."
+                /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
+            fi
+            brew install zsh git wget fontconfig
+            ;;
+        ubuntu|debian)
+            sudo apt-get update
+            sudo apt-get install -y zsh git wget fontconfig
+            ;;
+        fedora)
+            sudo dnf install -y zsh git wget fontconfig
+            ;;
+        centos|rhel)
+            sudo yum install -y zsh git wget fontconfig
+            ;;
+        arch|manjaro)
+            sudo pacman -Syu --noconfirm zsh git wget fontconfig
+            ;;
+        *)
+            echo "Unsupported operating system. Please install zsh, git, wget, and fontconfig manually."
+            exit 1
+            ;;
+    esac
+}
+
+# Check if required packages are installed, if not, install them
 if command -v zsh &> /dev/null && command -v git &> /dev/null && command -v wget &> /dev/null && command -v fc-cache &> /dev/null; then
     echo -e "ZSH, Git, wget, and fontconfig are already installed\n"
 else
-    if sudo apt install -y zsh git wget fontconfig || sudo pacman -S zsh git wget fontconfig || sudo dnf install -y zsh git wget fontconfig || sudo yum install -y zsh git wget fontconfig || sudo brew install git zsh wget fontconfig || pkg install git zsh wget fontconfig ; then
-        echo -e "zsh, wget, git, and fontconfig Installed\n"
-    else
-        echo -e "Please install the following packages first, then try again: zsh, git, wget, fontconfig \n" && exit
-    fi
+    echo "Installing required packages..."
+    install_packages
+    echo -e "zsh, wget, git, and fontconfig Installed\n"
 fi
 
 if [ -f ~/.gitconfig.backup ]; then
@@ -232,4 +253,4 @@ else
 
     fi
 fi
-exit
+exit