156 lines
3.7 KiB
Bash
156 lines
3.7 KiB
Bash
#!/usr/bin/env bash
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set -euo pipefail
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usage() {
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cat <<'EOF'
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Usage:
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with_node.sh [--check] [--cwd DIR] [--] <command> [args...]
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Ensures node/npm/npx are available (optionally via nvm) before running a command.
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Options:
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--check Only verify node/npm/npx are available (no command required).
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--cwd DIR Change to DIR before running.
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-h, --help Show help.
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EOF
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}
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CHECK_ONLY="false"
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CWD=""
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while [[ $# -gt 0 ]]; do
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case "$1" in
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--check)
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CHECK_ONLY="true"
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shift
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;;
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--cwd)
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CWD="${2:-}"
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shift 2
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;;
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--)
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shift
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break
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;;
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-h|--help)
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usage
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exit 0
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;;
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*)
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break
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;;
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esac
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done
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if [[ -n "$CWD" ]]; then
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: # handled after we resolve repo root from this script's location
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fi
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SCRIPT_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd -P)"
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REPO_ROOT="$(cd -- "$SCRIPT_DIR/.." && pwd -P)"
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if [[ -n "$CWD" ]]; then
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cd "$CWD"
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fi
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read_nvmrc() {
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local path="$1"
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if [[ -f "$path" ]]; then
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command tr -d ' \t\r\n' <"$path" || true
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fi
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}
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version_greater() {
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# Returns 0 (true) if $1 > $2 for simple semver-ish values like "v22.21.1".
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local v1="${1#v}"
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local v2="${2#v}"
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local a1 b1 c1 a2 b2 c2
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IFS=. read -r a1 b1 c1 <<<"$v1"
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IFS=. read -r a2 b2 c2 <<<"$v2"
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a1="${a1:-0}"; b1="${b1:-0}"; c1="${c1:-0}"
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a2="${a2:-0}"; b2="${b2:-0}"; c2="${c2:-0}"
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if ((a1 != a2)); then ((a1 > a2)); return; fi
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if ((b1 != b2)); then ((b1 > b2)); return; fi
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((c1 > c2))
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}
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bootstrap_nvm_if_needed() {
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if command -v node >/dev/null 2>&1 && command -v npm >/dev/null 2>&1 && command -v npx >/dev/null 2>&1; then
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return 0
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fi
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local nvm_dir="${NVM_DIR:-$HOME/.nvm}"
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if [[ ! -s "$nvm_dir/nvm.sh" ]]; then
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return 0
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fi
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# nvm is not guaranteed to be safe under `set -u`.
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set +u
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# shellcheck disable=SC1090
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. "$nvm_dir/nvm.sh"
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local version=""
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version="$(read_nvmrc "$REPO_ROOT/.nvmrc")"
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if [[ -z "$version" ]]; then
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version="$(read_nvmrc "$REPO_ROOT/frontend/.nvmrc")"
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fi
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if [[ -n "$version" ]]; then
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nvm use --silent "$version" >/dev/null 2>&1 || true
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else
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# Prefer a user-defined nvm default, otherwise pick the newest installed version.
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nvm use --silent default >/dev/null 2>&1 || true
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if ! command -v node >/dev/null 2>&1; then
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local versions_dir="$nvm_dir/versions/node"
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if [[ -d "$versions_dir" ]]; then
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local latest=""
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local candidate=""
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for candidate in "$versions_dir"/*; do
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[[ -d "$candidate" ]] || continue
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candidate="$(basename "$candidate")"
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[[ "$candidate" =~ ^v?[0-9]+(\\.[0-9]+){0,2}$ ]] || continue
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if [[ -z "$latest" ]] || version_greater "$candidate" "$latest"; then
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latest="$candidate"
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fi
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done
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[[ -n "$latest" ]] && nvm use --silent "$latest" >/dev/null 2>&1 || true
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fi
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fi
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fi
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set -u
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}
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bootstrap_nvm_if_needed
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if ! command -v node >/dev/null 2>&1; then
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echo "ERROR: node is required to run frontend targets." >&2
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echo "Install Node.js or make it available via nvm (set NVM_DIR and ensure \$NVM_DIR/nvm.sh exists)." >&2
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echo "Tip: add a project .nvmrc or set an nvm default alias (e.g. 'nvm alias default <version>')." >&2
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exit 127
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fi
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if ! command -v npm >/dev/null 2>&1; then
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echo "ERROR: npm is required to run frontend targets." >&2
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echo "Install Node.js (includes npm/npx) or ensure your nvm-selected Node provides npm." >&2
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exit 127
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fi
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if ! command -v npx >/dev/null 2>&1; then
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echo "ERROR: npx is required to run frontend targets (usually installed with npm)." >&2
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echo "Install Node.js (includes npm/npx) or ensure your npm install includes npx." >&2
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exit 127
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fi
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if [[ "$CHECK_ONLY" == "true" ]]; then
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exit 0
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fi
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if [[ $# -lt 1 ]]; then
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usage >&2
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exit 2
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fi
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exec "$@"
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