📝 Fix typo

Fail when not successfull

.github/workflows/badges.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Get the Numbers
-        run: echo "::set-env name=ANSWER::42"
+        run: echo "ANSWER=42" >> $GITHUB_ENV
       - name: Create the Badge
         uses: schneegans/dynamic-badges-action@master
         with:

README.md

@@ -8,7 +8,7 @@ This action allows you to create badges for your README.md with [shields.io](htt
 
 This action supports all [configuration options of shields.io/endpoint](https://shields.io/endpoint) and can be used in various ways:
 * Show custom CI statistics from GitHub actions, such as code coverage or detailed test results.
-* Show metadata of your repository such as lines of code, comment line percentage, ...
+* Show metadata of your repository such as [lines of code, comment line percentage](https://schneegans.github.io/tutorials/2020/08/16/badges), ...
 * Basically anything which may change from commit to commit!
 
 ## How Does It Work?
@@ -49,7 +49,7 @@ https://img.shields.io/endpoint?url=https://gist.githubusercontent.com/schneegan
     color: orange
 ```
 
-Once the action is executed, got to your gist.
+Once the action is executed, go to your gist.
 There should be a new file called `test.json`.
 You can view the raw content of this file at `https://gist.githubusercontent.com/<user>/<gist-ID>/raw/test.json`.
 Embed the badge with:
@@ -87,7 +87,7 @@ A common usage pattern of this action is to create environment variables in prev
 
 ```yml
 - name: Get the Numbers
-  run: echo "::set-env name=ANSWER::42"
+  run: echo "ANSWER=42" >> $GITHUB_ENV
 - name: Create the Badge
   uses: schneegans/dynamic-badges-action@v1.0.0
   with:
@@ -133,4 +133,4 @@ This means, given a version number MAJOR.MINOR.PATCH, we will increment the:
 
 1. MAJOR version when we make incompatible API changes,
 2. MINOR version when we add functionality in a backwards compatible manner, and
-3. PATCH version when we make backwards compatible bug fixes.
+3. PATCH version when we make backwards compatible bug fixes.

index.js

@@ -86,6 +86,9 @@ try {
         }
       },
       res => {
+        if (res.statusCode < 200 || res.statusCode >= 400) {
+            core.setFailed('Failed to create gist, response status code: ' +  res.statusCode + ', status message: ' +  res.statusMessage);
+        }
         let body = '';
         res.on('data', data => body += data);
         res.on('end', () => console.log('result:' + body));
@@ -96,4 +99,4 @@ try {
 
 } catch (error) {
   core.setFailed(error);
-}
+}