Add an option to upload some debugging artifacts

src/util.ts

@@ -18,6 +18,11 @@ import { Logger } from "./logging";
  */
 export const GITHUB_DOTCOM_URL = "https://github.com";
 
+/**
+ * Name of the debugging artifact.
+ */
+export const DEBUG_ARTIFACT_NAME = "debug-artifacts";
+
 /**
  * Get the extra options for the codeql commands.
  */
@@ -542,3 +547,20 @@ export async function codeQlVersionAbove(
 ): Promise<boolean> {
   return semver.gte(await codeql.getVersion(), requiredVersion);
 }
+
+// Create a bundle for the given DB, if it doesn't already exist
+export async function bundleDb(
+  config: Config,
+  language: Language,
+  codeql: CodeQL
+) {
+  const databasePath = getCodeQLDatabasePath(config, language);
+  const databaseBundlePath = path.resolve(
+    config.dbLocation,
+    `${databasePath}.zip`
+  );
+  if (!fs.existsSync(databaseBundlePath)) {
+    await codeql.databaseBundle(databasePath, databaseBundlePath);
+  }
+  return databaseBundlePath;
+}