Serialize Gradle and test runs

jaigradle

@@ -13,11 +13,22 @@
 # and throw UnsupportedClassVersionError on 17.
 set -euo pipefail
 cd "$(dirname "$0")"
+source ./gradle-lock.sh
 
-if command -v mise >/dev/null 2>&1; then
-  exec mise exec -- ./gradlew "$@"
+# `--stop` is an explicit recovery operation; it must be able to stop a
+# daemon even when a stale lock was left by an interrupted run.
+if [[ "${1:-}" != "--stop" ]]; then
+  jai_gradle_lock_acquire
+  trap jai_gradle_lock_release EXIT
+  trap 'exit 130' INT
+  trap 'exit 143' TERM
 fi
 
+status=0
+if command -v mise >/dev/null 2>&1; then
+  mise exec -- ./gradlew "$@" || status=$?
+else
+
 # Fallback: mise is not installed. Try an already-set JAVA_HOME, then any
 # JDK 21 that Gradle has auto-provisioned.
 if [ ! -x "${JAVA_HOME:-}/bin/java" ]; then
@@ -35,4 +46,9 @@ if [ ! -x "${JAVA_HOME:-}/bin/java" ]; then
   exit 1
 fi
 
-exec ./gradlew "$@"
+  ./gradlew "$@" || status=$?
+fi
+
+jai_gradle_lock_release
+trap - EXIT INT TERM
+exit "$status"