onCreate.sh

#!/bin/bash
# onCreate.sh — runs during prebuild AND on first Codespace creation.
# No user secrets are available here — keep this purely about dependencies.
# Everything here is cached in the prebuild snapshot.
set -euo pipefail

# ── Ensure the node feature's PATH additions are active ──────────────────────
# The devcontainers node feature installs via nvm; source it so `node`/`pnpm`
# resolve correctly even in non-login, non-interactive shells.
export NVM_DIR="${NVM_DIR:-/usr/local/share/nvm}"
# shellcheck source=/dev/null
[ -s "${NVM_DIR}/nvm.sh" ] && source "${NVM_DIR}/nvm.sh" --no-use
# Activate the version pinned in .nvmrc / package.json engines.
nvm use 24 2>/dev/null || nvm use node

# ── Fix named-volume ownership ────────────────────────────────────────────────
# Docker mounts named volumes as root; fix ownership so the vscode user can write.
if [ -d "${PNPM_STORE_DIR:-}" ]; then
  sudo chown -R "$(id -u):$(id -g)" "${PNPM_STORE_DIR}"
fi

# ── pnpm ──────────────────────────────────────────────────────────────────────
# Suppress corepack's interactive download-confirmation prompt in CI/prebuild.
export COREPACK_ENABLE_DOWNLOAD_PROMPT=0

# Enable corepack so the exact pnpm version from package.json#packageManager is used.
corepack enable

# Point pnpm at the persistent named-volume store so packages survive rebuilds.
if [ -n "${PNPM_STORE_DIR:-}" ]; then
  pnpm config set store-dir "${PNPM_STORE_DIR}"
fi

pnpm install

# ── Zsh + Oh My Zsh + Powerlevel10k ──────────────────────────────────────────
# Install these during prebuild so the first Codespace start is fast.
# The dotfiles checkout in postCreate.sh will provide .zshrc / .p10k.zsh.

# Install zsh and tmux if not already present (base:bookworm ships zsh, but be safe).
if ! command -v zsh &>/dev/null || ! command -v tmux &>/dev/null; then
  sudo apt-get update -qq && sudo apt-get install -y -qq zsh tmux
fi

# Install Oh My Zsh non-interactively (KEEP_ZSHRC=yes preserves any existing .zshrc).
if [ ! -d "${HOME}/.oh-my-zsh" ]; then
  KEEP_ZSHRC=yes CHSH=no RUNZSH=no \
    sh -c "$(curl -fsSL https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)"
fi

# Install Powerlevel10k as an OMZ custom theme.
P10K_DIR="${ZSH_CUSTOM:-${HOME}/.oh-my-zsh/custom}/themes/powerlevel10k"
if [ ! -d "${P10K_DIR}" ]; then
  git clone --depth=1 https://github.com/romkatv/powerlevel10k.git "${P10K_DIR}"
fi

# Make zsh the default shell for this user.
sudo chsh -s "$(command -v zsh)" "$(whoami)"

echo "✓ onCreate complete"