Redirect output to variable

action.yml

@@ -8,6 +8,11 @@ inputs:
   args:
     description: 'Arguments for the CLI command'
     required: false
+  redirect-to:
+    description: 'Variable name to redirect CLI output'
+    required: false
 runs:
   using: 'docker'
-  image: 'Dockerfile'
+  image: 'Dockerfile'
+  env:
+    dest: ${{ inputs.redirect-to }}

entrypoint.sh

@@ -37,4 +37,12 @@ if [ ! -f "$HOME/.kube/config" ]; then
     fi
 fi
 
-kubectl $*
+if [ -z "$dest" ]; then
+    kubectl $*
+else
+    output=$(kubectl $*)
+    echo "::set-output name=$dest::$output"
+
+    # debug only
+    #echo $output
+fi