feat(config): support reading from local file if it exists

README.md

@@ -112,7 +112,7 @@ Various inputs are defined in [`action.yml`](action.yml) to let you configure th
 | Name | Description | Default |
 | - | - | - |
 | `repo-token` | Token to use to authorize label changes. Typically the GITHUB_TOKEN secret, with `contents:read` and `pull-requests:write` access | `github.token` |
-| `configuration-path` | The path to the label configuration file | `.github/labeler.yml` |
+| `configuration-path` | The path to the label configuration file. If not found in the current working directory, will read from the source repository via the Github API. | `.github/labeler.yml` |
 | `sync-labels` | Whether or not to remove labels when matching files are reverted or no longer changed by the PR | `false` |
 | `dot` | Whether or not to auto-include paths starting with dot (e.g. `.github`) | `false` |
 

dist/index.js

@@ -44,6 +44,8 @@ const core = __importStar(__nccwpck_require__(2186));
 const github = __importStar(__nccwpck_require__(5438));
 const yaml = __importStar(__nccwpck_require__(1917));
 const minimatch_1 = __nccwpck_require__(2002);
+const promises_1 = __nccwpck_require__(3292);
+const warningPrefix = '[warning]';
 function run() {
     return __awaiter(this, void 0, void 0, function* () {
         try {
@@ -115,7 +117,16 @@ function getChangedFiles(client, prNumber) {
 }
 function getLabelGlobs(client, configurationPath) {
     return __awaiter(this, void 0, void 0, function* () {
-        const configurationContent = yield fetchContent(client, configurationPath);
+        let configurationContent;
+        try {
+            configurationContent = (yield (0, promises_1.readFile)(configurationPath, {
+                encoding: 'utf8'
+            })).toString();
+        }
+        catch (error) {
+            core.info(`${warningPrefix} configuration file (path: ${configurationPath}) not found locally (${error}), fetching via the api`);
+            configurationContent = yield fetchContent(client, configurationPath);
+        }
         // loads (hopefully) a `{[label:string]: string | StringOrMatchConfig[]}`, but is `any`:
         const configObject = yaml.load(configurationContent);
         // transform `any` => `Map<string,StringOrMatchConfig[]>` or throw if yaml is malformed:
@@ -14179,6 +14190,14 @@ module.exports = require("fs");
 
 /***/ }),
 
+/***/ 3292:
+/***/ ((module) => {
+
+"use strict";
+module.exports = require("fs/promises");
+
+/***/ }),
+
 /***/ 3685:
 /***/ ((module) => {
 

src/labeler.ts

@@ -2,6 +2,7 @@ import * as core from '@actions/core';
 import * as github from '@actions/github';
 import * as yaml from 'js-yaml';
 import {Minimatch} from 'minimatch';
+import {readFile} from 'fs/promises';
 
 interface MatchConfig {
   all?: string[];
@@ -11,6 +12,8 @@ interface MatchConfig {
 type StringOrMatchConfig = string | MatchConfig;
 type ClientType = ReturnType<typeof github.getOctokit>;
 
+const warningPrefix = '[warning]';
+
 export async function run() {
   try {
     const token = core.getInput('repo-token');
@@ -97,10 +100,21 @@ async function getLabelGlobs(
   client: ClientType,
   configurationPath: string
 ): Promise<Map<string, StringOrMatchConfig[]>> {
-  const configurationContent: string = await fetchContent(
-    client,
-    configurationPath
-  );
+  let configurationContent: string;
+
+  try {
+    configurationContent = (
+      await readFile(configurationPath, {
+        encoding: 'utf8'
+      })
+    ).toString();
+  } catch (error) {
+    core.info(
+      `${warningPrefix} configuration file (path: ${configurationPath}) not found locally (${error}), fetching via the api`
+    );
+
+    configurationContent = await fetchContent(client, configurationPath);
+  }
 
   // loads (hopefully) a `{[label:string]: string | StringOrMatchConfig[]}`, but is `any`:
   const configObject: any = yaml.load(configurationContent);