Workaround for ghuser-io#8

fetchRepos.js

@@ -353,7 +353,12 @@ optional arguments:
       const perPage = 100;
       for (let page = 1;; ++page) {
         const ghUrl = `${pullsUrl}?state=all&page=${page}&per_page=${perPage}`;
-        const ghDataJson = await github.fetchGHJson(ghUrl, spinner);
+        const ghDataJson = await github.fetchGHJson(ghUrl, spinner, [500]);
+        if (ghDataJson === 500) { // Workaround for #8
+          spinner.fail();
+          return;
+        }
+
         for (const pr of ghDataJson) {
           authors.add(pr.user.login);
         }

impl/fetchJson.js

@@ -11,12 +11,18 @@
     // Else if the HTTP status code is in acceptedErrorCodes, returns it.
     // Else throws the HTTP status code.
 
-    const data = await fetch(url, {
-      retryOn: [500, 502, 504, 522, 525],
-      headers: ifModifiedSince && {
-        'If-Modified-Since': ifModifiedSince.toUTCString()
-      } || null
-    });
+    let data;
+    try {
+      data = await fetch(url, {
+        retryOn: [500, 502, 504, 522, 525],
+        headers: ifModifiedSince && {
+          'If-Modified-Since': ifModifiedSince.toUTCString()
+        } || null
+      });
+    } catch (e) { // we end up here after too many retries
+      data = e;
+    }
+
     const statusIsOk = Math.floor(data.status / 100) === 2;
     if (!statusIsOk && acceptedErrorCodes.indexOf(data.status) > -1) {
       return data.status;

impl/github.js

@@ -41,7 +41,7 @@
     try {
       return await fetchJson(authify(url), oraSpinner, acceptedErrorCodes, ifModifiedSince);
     } catch (e) {
-      console.error(`Error while fetching ${url}`);
+      console.error(`\nError while fetching ${url}`);
       console.error('API rate limit state:');
       console.error(rateLimit);
       throw e;