Install Zig MacOS

install-zig.sh

#!/bin/bash

# Zig Installation Script for macOS
# Usage: ./install-zig.sh [version]
# Example: ./install-zig.sh 0.16.0-dev.1234+74900e938

set -e

# Configuration
ZIG_VERSION="${1:-0.16.0-dev.1234+74900e938}"
ZIG_DIR="$HOME/.zig"
ZIG_BIN_DIR="$ZIG_DIR/bin"
# Auto-detect architecture
if [[ $(uname -m) == "arm64" ]]; then
    ARCH="aarch64"
else
    ARCH="x86_64"
fi
DOWNLOAD_URL="https://ziglang.org/builds/zig-${ARCH}-macos-${ZIG_VERSION}.tar.xz"
TEMP_DIR=$(mktemp -d)

echo "Installing Zig version: $ZIG_VERSION"
echo "Architecture: $ARCH (auto-detected)"
echo "Download URL: $DOWNLOAD_URL"

# Create .zig directory if it doesn't exist
mkdir -p "$ZIG_DIR"

# Remove existing bin directory contents if not empty
if [ -d "$ZIG_BIN_DIR" ] && [ "$(ls -A "$ZIG_BIN_DIR")" ]; then
    echo "Removing existing Zig installation..."
    rm -rf "$ZIG_BIN_DIR"/*
fi

# Create bin directory
mkdir -p "$ZIG_BIN_DIR"

echo "Downloading Zig..."
cd "$TEMP_DIR"
curl -L -o "zig.tar.xz" "$DOWNLOAD_URL"

echo "Extracting Zig..."
tar -xf "zig.tar.xz"

# Find the extracted directory (it should be zig-${ARCH}-macos-${ZIG_VERSION})
ZIG_EXTRACTED_DIR=$(find . -name "zig-${ARCH}-macos-*" -type d | head -n 1)

if [ -z "$ZIG_EXTRACTED_DIR" ]; then
    echo "Error: Could not find extracted Zig directory"
    exit 1
fi

echo "Moving Zig to $ZIG_BIN_DIR..."
mv "$ZIG_EXTRACTED_DIR"/* "$ZIG_BIN_DIR/"

# Remove quarantine attribute to allow execution on macOS
echo "Removing quarantine attribute from Zig binary..."
xattr -dr com.apple.quarantine "$ZIG_BIN_DIR/zig" 2>/dev/null || true

# Clean up
rm -rf "$TEMP_DIR"

# Verify installation
if [ -x "$ZIG_BIN_DIR/zig" ]; then
    echo "✅ Zig installed successfully!"
    echo "Zig binary location: $ZIG_BIN_DIR/zig"
    echo ""
    echo "To use Zig, add the following to your shell profile (~/.zshrc, ~/.bashrc, etc.):"
    echo "export PATH=\"$ZIG_BIN_DIR:\$PATH\""
    echo ""
    echo "Or run directly: $ZIG_BIN_DIR/zig version"

    # Try to show version
    "$ZIG_BIN_DIR/zig" version || echo "Note: You may need to add $ZIG_BIN_DIR to your PATH"
else
    echo "❌ Installation failed: Zig binary not found or not executable"
    exit 1
fi