Lombok: Don't set env var if it's already set

If the user has manually configured it, then we let their setting stand.

Author: igfoo

src/init-action.ts

@@ -347,16 +347,19 @@ async function run() {
     }
 
     if (config.languages.includes(Language.java)) {
-      if (await features.getValue(Feature.CodeqlJavaLombokEnabled, codeql)) {
+      const envVar = "CODEQL_EXTRACTOR_JAVA_RUN_ANNOTATION_PROCESSORS"
+      if (process.env[envVar]) {
+          logger.info("Environment variable " + envVar + " already set. Not en/disabling CodeQL Java Lombok support");
+      } else if (await features.getValue(Feature.CodeqlJavaLombokEnabled, codeql)) {
         logger.info("Enabling CodeQL Java Lombok support");
         core.exportVariable(
-          "CODEQL_EXTRACTOR_JAVA_RUN_ANNOTATION_PROCESSORS",
+          envVar,
           "true",
         );
       } else {
         logger.info("Disabling CodeQL Java Lombok support");
         core.exportVariable(
-          "CODEQL_EXTRACTOR_JAVA_RUN_ANNOTATION_PROCESSORS",
+          envVar,
           "false",
         );
       }