More helpful errors for config file not found

.github/workflows/auto-assign.yml

@@ -1,4 +1,4 @@
-name: 'Component Owners'
+name: 'Auto Assign'
 on:
   pull_request:
 
@@ -7,4 +7,9 @@ jobs:
     runs-on: ubuntu-latest
     name: Auto Assign Owners
     steps:
-      - uses: dyladan/component-owners@main
+      # To use this repository's private action,
+      # you must check out the repository
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Self action step
+        uses: ./ # Uses an action in the root directory

src/main.ts

@@ -5,18 +5,21 @@ import { getChangedFiles, getConfig, getOwners, getPullAuthor, getRefs, getColla
 async function main() {
     const client = github.getOctokit(core.getInput('repo-token', { required: true }));
     const ownerFilePath = core.getInput('config-file', { required: true });
-
     const assignOwners = core.getBooleanInput('assign-owners', { required: true })
     const requestOwnerReviews = core.getBooleanInput('request-owner-reviews', { required: true })
 
     const { base, head } = getRefs();
 
+    // Log the base and head commits
+    core.info(`Base commit: ${base}`)
+    core.info(`Head commit: ${head}`)
+
     const config = await getConfig(client, head, ownerFilePath);
 
     const changedFiles = await getChangedFiles(client, base, head);
     const owners = await getOwners(config, changedFiles);
 
- 
+
     core.info(`${owners.length} owners found ${owners.join(" ")}`);
 
     if (assignOwners && owners.length > 0) {

src/utils.ts

@@ -107,10 +107,6 @@ export function getRefs() {
             )
     }
 
-    // Log the base and head commits
-    core.info(`Base commit: ${base}`)
-    core.info(`Head commit: ${head}`)
-
     // Ensure that the base and head properties are set on the payload.
     if (!base || !head) {
         throw new Error(
@@ -164,8 +160,12 @@ export async function getChangedFiles(client: Client, base: string, head: string
 
 
 export async function getConfig(client: Client, ref: string, location: string): Promise<Config> {
-    const contents = await getFileContents(client, ref, location);
-    return yaml.load(contents, { filename: location }) as any;
+    try {
+        const contents = await getFileContents(client, ref, location);
+        return yaml.load(contents, { filename: location }) as any;
+    } catch (err) {
+        throw new Error(`Failed to get configuration ${ref.slice(0, 7)} ${err.message} ${location}`)
+    }
 }
 
 async function getFileContents(client: Client, ref: string, location: string): Promise<string> {