Support dryrun in action

action.yml

@@ -9,6 +9,10 @@ inputs:
     description: 'Import existing labels if enabled'
     required: false
     default: 'false'
+  dryrun:
+    description: 'Just show what would be done if enabled'
+    required: false
+    default: 'false'
 runs:
   using: 'docker'
   image: 'Dockerfile'

entrypoint.sh

@@ -1,11 +1,14 @@
 #!/bin/bash
 
-config=${INPUT_CONFIG}
+args=()
+
+if ${INPUT_IMPORT:-false}; then
+  args+=("--import")
+fi
 
-import=${INPUT_IMPORT:-false}
-if ${import}; then
-  github-labeler --import --config=${config}
-  exit ${?}
+if ${INPUT_DRYRUN:-false}; then
+  args+=("--dry-run")
 fi
 
-github-labeler --config=${config}
+config=${INPUT_CONFIG}
+github-labeler --config=${config} ${args[@]}