vibe-dev-setup

#!/usr/bin/env bash
# setup-dev-env.sh
# Installs VS Code, Go 1.26.3, golangci-lint, Go dev tools,
# Node.js 22 (Maintenance LTS), and npm on Debian 13 (Trixie)
# Usage: chmod +x setup-dev-env.sh && ./setup-dev-env.sh

set -euo pipefail

GO_VERSION="1.26.3"
GO_TARBALL="go${GO_VERSION}.linux-amd64.tar.gz"
GO_URL="https://go.dev/dl/${GO_TARBALL}"

# ─────────────────────────────────────────
# Helpers
# ─────────────────────────────────────────
info()    { echo -e "\n\033[1;34m[INFO]\033[0m $*"; }
success() { echo -e "\033[1;32m[OK]\033[0m $*"; }
warn()    { echo -e "\033[1;33m[WARN]\033[0m $*"; }

# ─────────────────────────────────────────
# 1. System update
# ─────────────────────────────────────────
info "Updating system packages..."
sudo apt update && sudo apt upgrade -y
success "System updated"

# ─────────────────────────────────────────
# 2. Install dependencies
# ─────────────────────────────────────────
info "Installing dependencies..."
sudo apt install -y curl gpg apt-transport-https wget
success "Dependencies installed"

# ─────────────────────────────────────────
# 3. VS Code
# ─────────────────────────────────────────
info "Adding Microsoft GPG key and VS Code repository..."
curl -sSL https://packages.microsoft.com/keys/microsoft.asc \
  | gpg --dearmor \
  | sudo tee /etc/apt/trusted.gpg.d/microsoft.gpg > /dev/null

echo "deb [arch=amd64,arm64,armhf signed-by=/etc/apt/trusted.gpg.d/microsoft.gpg] \
https://packages.microsoft.com/repos/code stable main" \
  | sudo tee /etc/apt/sources.list.d/vscode.list

info "Installing VS Code..."
sudo apt update && sudo apt install -y code
success "VS Code installed: $(code --version | head -1)"

# ─────────────────────────────────────────
# 4. Go
# ─────────────────────────────────────────
info "Downloading Go ${GO_VERSION} from go.dev/dl/..."
wget -q --show-progress "${GO_URL}"

info "Verifying download..."
sha256sum "${GO_TARBALL}"
warn "Please cross-check the hash above against https://go.dev/dl/ before continuing."
read -rp "Hash looks correct? (y/n): " confirm
if [[ "${confirm}" != "y" ]]; then
  echo "Aborting. Please verify the download manually."
  rm -f "${GO_TARBALL}"
  exit 1
fi

info "Installing Go to /usr/local/go..."
sudo rm -rf /usr/local/go
sudo tar -C /usr/local -xzf "${GO_TARBALL}"
rm -f "${GO_TARBALL}"

# ─────────────────────────────────────────
# 5. Go environment variables
# ─────────────────────────────────────────
info "Configuring Go environment variables..."
SHELL_RC="${HOME}/.bashrc"
if [[ "${SHELL}" == */zsh ]]; then
  SHELL_RC="${HOME}/.zshrc"
fi

if ! grep -q '/usr/local/go/bin' "${SHELL_RC}"; then
  echo 'export PATH=$PATH:/usr/local/go/bin' >> "${SHELL_RC}"
  echo 'export PATH=$PATH:$HOME/go/bin' >> "${SHELL_RC}"
  success "PATH entries added to ${SHELL_RC}"
else
  warn "Go PATH entries already present in ${SHELL_RC}, skipping"
fi

export PATH=$PATH:/usr/local/go/bin
export PATH=$PATH:$HOME/go/bin

success "Go installed: $(go version)"

# ─────────────────────────────────────────
# 6. Go dev tools
# ─────────────────────────────────────────
info "Installing Go dev tools..."
go install github.com/golangci/golangci-lint/cmd/golangci-lint@latest
go install golang.org/x/tools/gopls@latest
go install github.com/go-delve/delve/cmd/dlv@latest
go install golang.org/x/tools/cmd/goimports@latest
success "Go tools installed"

# ─────────────────────────────────────────
# 7. Node.js 22 (Maintenance LTS) + npm
# ─────────────────────────────────────────
info "Removing any existing Node.js installation..."
sudo apt remove -y nodejs npm 2>/dev/null || true

info "Adding NodeSource repository for Node.js 22..."
curl -fsSL https://deb.nodesource.com/setup_22.x | sudo -E bash -

info "Installing Node.js 22 and npm..."
sudo apt install -y nodejs
success "Node.js installed: $(node --version)"
success "npm installed: $(npm --version)"

# ─────────────────────────────────────────
# 8. VS Code extensions
# ─────────────────────────────────────────
info "Installing VS Code extensions..."
code --install-extension golang.go
code --install-extension anthropic.claude-code
success "VS Code extensions installed"

# ─────────────────────────────────────────
# 9. Summary
# ─────────────────────────────────────────
echo ""
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo "  Installation complete — version summary"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo "  VS Code:        $(code --version | head -1)"
echo "  Go:             $(go version)"
echo "  golangci-lint:  $(golangci-lint --version)"
echo "  gopls:          $(gopls version)"
echo "  dlv:            $(dlv version | head -1)"
echo "  Node.js:        $(node --version)"
echo "  npm:            $(npm --version)"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo ""
echo "  Next steps:"
echo "  1. Run: source ${SHELL_RC}"
echo "  2. Clone your repo"
echo "  3. Add CLAUDE.md to the repo root"
echo "  4. Run: code ."
echo ""