Update yaml2json.yml

Author: cebe

.github/workflows/yaml2json.yml

@@ -1,5 +1,12 @@
 name: YAML2JSON
 
+#
+# This workflow updates the *.json files in the examples/v3.0 directory,
+# when the corresponding *.yaml files change.
+# JSON example files are automatically generated from the YAML example files.
+# Only the YAML files should be adjusted manually.
+#
+
 # run this on push to master
 on:
   push:
@@ -30,16 +37,10 @@ jobs:
             echo "converting  $file  to  $target  ..."
             if [ "$file" != "api-with-examples.yaml" ] ; then
                 vendor/bin/php-openapi convert --read-yaml $file --write-json $target
-                head $target
                 vendor/bin/indent --tabs --tabstop=4 $target
-                head $target
                 vendor/bin/indent --spaces --tabstop=2 $target
-                head $target
             fi
         done
-        git status
-        git diff
-        git diff --staged
         
     - name: cleanup
       run: |
@@ -61,7 +62,9 @@ jobs:
         title: Update JSON example files
         commit-message: Update JSON example files
         body: |
-          This pull request is automatically triggered by github actions.
+          This pull request is automatically triggered by github actions [create-pull-request][1].
           
           It seems the OpenAPI example YAML files have changed, so the JSON files are automatically being adjusted.
+          
+            [1]: https://github.com/peter-evans/create-pull-request