macOS_dotfiles/bootstrap.sh at main · mcalapurge/macOS_dotfiles · GitHub

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#!/usr/bin/env bash
# bootstrap.sh — sets up a fresh macOS machine from scratch.
# Run once: ./bootstrap.sh
# Subsequent runs are safe — all steps are idempotent.

set -euo pipefail

DOTFILES="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

step() { echo; echo "==> $*"; }

# =============================================================================
# 1. Homebrew
# =============================================================================
step "Homebrew"
if ! command -v brew &>/dev/null; then
  echo "  Installing Homebrew..."
  tmpscript="$(mktemp)"
  curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh -o "$tmpscript"
  bash "$tmpscript"
  rm "$tmpscript"

  # Add brew to PATH for the rest of this script
  if [ -x /opt/homebrew/bin/brew ]; then
    eval "$(/opt/homebrew/bin/brew shellenv)"   # Apple Silicon
  elif [ -x /usr/local/bin/brew ]; then
    eval "$(/usr/local/bin/brew shellenv)"      # Intel
  fi
else
  echo "  Homebrew already installed — skipping"
fi

# =============================================================================
# 2. Brew bundle (nvm, golang, vscode, gh, neovim, casks …)
# =============================================================================
step "Brew bundle"
brew update --quiet
brew bundle --file="$DOTFILES/Brewfile" --no-lock

# =============================================================================
# 3. oh-my-zsh
# =============================================================================
step "oh-my-zsh"
if [ ! -d "$HOME/.oh-my-zsh" ]; then
  echo "  Installing oh-my-zsh..."
  tmpscript="$(mktemp)"
  curl -fsSL https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh -o "$tmpscript"
  bash "$tmpscript" --unattended --keep-zshrc
  rm "$tmpscript"
else
  echo "  oh-my-zsh already installed — skipping"
fi

# =============================================================================
# 4. Node.js via nvm
# =============================================================================
step "nvm + Node.js LTS"
export NVM_DIR="$HOME/.nvm"
# Source nvm from brew location
[ -s "/opt/homebrew/opt/nvm/nvm.sh" ] && . "/opt/homebrew/opt/nvm/nvm.sh"
[ -s "/usr/local/opt/nvm/nvm.sh" ]    && . "/usr/local/opt/nvm/nvm.sh"  # Intel

if command -v nvm &>/dev/null; then
  nvm install --lts
  nvm alias default lts/*
else
  echo "  WARNING: nvm not found — skipping Node.js install"
fi

# =============================================================================
# 5. SDKMan (Java / Kotlin / Scala version manager)
# =============================================================================
step "SDKMan"
if [ ! -d "$HOME/.sdkman" ]; then
  echo "  Installing SDKMan..."
  tmpscript="$(mktemp)"
  curl -fsSL https://get.sdkman.io -o "$tmpscript"
  bash "$tmpscript"
  rm "$tmpscript"
else
  echo "  SDKMan already installed — skipping"
fi

# =============================================================================
# 6. GitHub Copilot CLI (gh extension)
#    Requires: gh auth login  — skipped if not authenticated
# =============================================================================
step "GitHub Copilot CLI extension"
if gh auth status &>/dev/null; then
  if ! gh extension list 2>/dev/null | grep -q "gh-copilot"; then
    echo "  Installing gh copilot extension..."
    gh extension install github/gh-copilot
  else
    echo "  gh copilot extension already installed — skipping"
  fi
else
  echo "  gh not authenticated — skipping (run: gh auth login, then: gh extension install github/gh-copilot)"
fi

# =============================================================================
# 7. Symlinks  (install.sh)
# =============================================================================
step "Dotfiles symlinks"
bash "$DOTFILES/install.sh"

echo
echo "All done! Open a new terminal (or run: source ~/.zshrc) to pick up all changes."