add: about GitHub API Rate limiting

.github/workflows/test.yml

@@ -30,8 +30,10 @@ jobs:
 
     strategy:
       matrix:
-        hugo-version: [null, 'latest', '0.58.2']
-        extended: [null, false, true]
+        hugo-version: [null, '0.58.2']
+        # hugo-version: [null, 'latest', '0.58.2']
+        extended: [null, true]
+        # extended: [null, false, true]
 
     steps:
     - uses: actions/checkout@v1

get-latest-version.js

@@ -1,7 +1,7 @@
 const XMLHttpRequest = require("xmlhttprequest").XMLHttpRequest;
 
 function getLatestVersion() {
-  return new Promise((resolve) => {
+  return new Promise((resolve, reject) => {
     const xhr = new XMLHttpRequest();
     const url = "https://api.github.com/repos/gohugoio/hugo/releases/latest";
     xhr.open("GET", url);
@@ -15,11 +15,11 @@ function getLatestVersion() {
 
         resolve(latestVersion);
       } else {
-        throw new Error(`ERROR: got status ${xhr.status}`);
-        // reject(`ERROR: got status ${xhr.status}`);
+        reject(`ERROR: got status ${xhr.status}`);
       }
     };
   });
 }
 
 module.exports = getLatestVersion;
+v

index.js

@@ -6,7 +6,8 @@ const getLatestVersion = require("./get-latest-version");
 // most @actions toolkit packages have async methods
 async function run() {
   try {
-    getLatestVersion().then(async function(latestVersion) {
+    getLatestVersion().then(
+      async function(latestVersion) {
         let hugoVersion = core.getInput("hugo-version");
         if (!hugoVersion || hugoVersion === "latest") {
           hugoVersion = latestVersion;
@@ -38,7 +39,16 @@ async function run() {
         const hugoExtractedFolder = await tc.extractTar(hugoTarball, "/tmp");
         core.debug("hugoExtractedFolder:", hugoExtractedFolder);
         await io.mv(`${hugoExtractedFolder}/hugo`, hugoPath);
-    });
+      },
+      function(error) {
+        console.error(error);
+        console.log(
+          "HINT: GitHub API Rate limiting\n" +
+            "      https://developer.github.com/v3/#rate-limiting\n" +
+            "      Use a specific version of Hugo"
+        );
+      }
+    );
   } catch (error) {
     core.setFailed(error.message);
   }