Use extraction via build mode in autobuild Action when available

src/codeql.ts

@@ -30,7 +30,7 @@ import * as setupCodeql from "./setup-codeql";
 import { ToolsFeature, isSupportedToolsFeature } from "./tools-features";
 import { shouldEnableIndirectTracing } from "./tracer-config";
 import * as util from "./util";
-import { wrapError } from "./util";
+import { BuildMode, wrapError } from "./util";
 
 type Options = Array<string | number | boolean>;
 
@@ -681,15 +681,32 @@ export async function getCodeQLForCmd(
       ]);
     },
     async extractUsingBuildMode(config: Config, language: Language) {
-      await runTool(cmd, [
-        "database",
-        "trace-command",
-        "--use-build-mode",
-        ...(await getTrapCachingExtractorConfigArgsForLang(config, language)),
-        ...getExtractionVerbosityArguments(config.debugMode),
-        ...getExtraOptionsFromEnv(["database", "trace-command"]),
-        util.getCodeQLDatabasePath(config, language),
-      ]);
+      try {
+        await runTool(cmd, [
+          "database",
+          "trace-command",
+          "--use-build-mode",
+          ...(await getTrapCachingExtractorConfigArgsForLang(config, language)),
+          ...getExtractionVerbosityArguments(config.debugMode),
+          ...getExtraOptionsFromEnv(["database", "trace-command"]),
+          util.getCodeQLDatabasePath(config, language),
+        ]);
+      } catch (e) {
+        if (config.buildMode === BuildMode.Autobuild) {
+          const prefix =
+            "We were unable to automatically build your code. " +
+            "Please change the build mode for this language to manual and specify build steps " +
+            "for your project. For more information, see " +
+            "https://docs.github.com/en/code-security/code-scanning/troubleshooting-code-scanning/automatic-build-failed.";
+          const ErrorConstructor =
+            e instanceof util.ConfigurationError
+              ? util.ConfigurationError
+              : Error;
+          throw new ErrorConstructor(`${prefix} ${util.wrapError(e).message}`);
+        } else {
+          throw e;
+        }
+      }
     },
     async finalizeDatabase(
       databasePath: string,