#!/usr/bin/env bash
#
# Build a native (AOT) pipe binary.
#
# Why bother: `dart run` pays Dart JIT startup on every invocation, measured at
# ~6.4s even for a two-file project, which makes pipe unpleasant in a loop and
# expensive in CI. The AOT binary starts in ~0.2s and is also faster per file.
#
# Prefers `dart build cli` (the endorsed path, Dart 3.9+) and falls back to
# `dart compile exe`.
set -euo pipefail

cd "$(dirname "$0")/.."

if dart build cli --target bin/pipe.dart >/dev/null 2>&1; then
  binary=$(find build/cli -type f -name 'pipe' -perm -u+x 2>/dev/null | head -1 || true)
  if [ -n "$binary" ]; then
    echo "built with 'dart build cli': $binary"
    exit 0
  fi
fi

output="${1:-build/pipe}"
mkdir -p "$(dirname "$output")"
dart compile exe bin/pipe.dart -o "$output" >/dev/null
echo "built with 'dart compile exe': $output"