Improve error message when workflow file doesn't exist

github · Dec 21, 2022 · e9ff99b · e9ff99b
1 parent 8b9e982
commit e9ff99b
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Showing 3 changed files with 22 additions and 3 deletions.
diff --git a/lib/workflow.js b/lib/workflow.js
diff --git a/lib/workflow.js.map b/lib/workflow.js.map
diff --git a/src/workflow.ts b/src/workflow.ts
@@ -259,7 +259,17 @@ export async function getWorkflow(): Promise<Workflow> {
     relativePath
   );
 
-  return yaml.load(fs.readFileSync(absolutePath, "utf-8")) as Workflow;
+  try {
+    return yaml.load(fs.readFileSync(absolutePath, "utf-8")) as Workflow;
+  } catch (e) {
+    if (e instanceof Error && e["code"] === "ENOENT") {
+      throw new Error(
+        `Unable to load code scanning workflow from ${absolutePath}. This can happen if the currently ` +
+          "running workflow checks out a branch that doesn't contain the corresponding workflow file."
+      );
+    }
+    throw e;
+  }
 }
 
 /**