#!/bin/sh
# Runs ./gradlew with the given arguments, one Gradle build at a time across every worktree and agent on this machine
# (CLAUDE.md › Build and verify: parallel builds exhaust memory). Waits for a running build to finish, then runs.
# The Gradle project lives in android/; the wrapper there is used whatever directory this is started from.
# Usage from any directory of a checkout or worktree:  tools/gradle-serial.sh check   (or ../tools/gradle-serial.sh from android/)
lock=/tmp/kvitt-gradle.lock
top=$(git rev-parse --show-toplevel) || exit 1
[ -x "$top/android/gradlew" ] || { echo "gradle-serial: no android/gradlew in $top yet" >&2; exit 1; }
while ! mkdir "$lock" 2>/dev/null; do
  pid=$(cat "$lock/pid" 2>/dev/null)
  if [ -n "$pid" ] && ! kill -0 "$pid" 2>/dev/null; then rm -rf "$lock"; continue; fi
  sleep 5
done
echo $$ > "$lock/pid"
trap 'rm -rf "$lock"' EXIT INT TERM HUP
cd "$top/android" && ./gradlew "$@"