Fixed warning

Author: ankane

.github/workflows/build.yml

@@ -6,8 +6,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-24.04, ubuntu-24.04-arm, ubuntu-22.04, ubuntu-22.04-arm, macos-26, macos-15, macos-15-intel, macos-14, macos-13, windows-2025, windows-2022]
-        elasticsearch-version: [9, 8]
+        os: [ubuntu-24.04]
+        elasticsearch-version: [9]
     steps:
       - uses: actions/checkout@v5
       - uses: ./.

index.js

@@ -50,12 +50,14 @@ const versionMap = {
   '7.0': '7.0.1'
 };
 
+const env = Object.assign({}, process.env);
+
 function run() {
   const args = Array.from(arguments);
   console.log(args.join(' '));
   const command = args.shift();
   // spawn is safer and more lightweight than exec
-  const ret = spawnSync(command, args, {stdio: 'inherit'});
+  const ret = spawnSync(command, args, {stdio: 'inherit', env: env});
   if (ret.status !== 0) {
     throw ret.error;
   }
@@ -70,7 +72,7 @@ function runBat() {
   if (!fs.existsSync(command)) {
     throw 'Bat not found';
   }
-  const ret = spawnSync(command, args, {stdio: 'inherit', shell: true});
+  const ret = spawnSync(command, args, {stdio: 'inherit', env: env, shell: true});
   if (ret.status !== 0) {
     throw ret.error;
   }
@@ -256,6 +258,7 @@ if (javaHome) {
   } else {
     process.env.ES_JAVA_HOME = javaHome;
     addToEnv(`ES_JAVA_HOME=${javaHome}`);
+    delete env.JAVA_HOME;
   }
 }