From 03018818a53d0974bcca9110ba5461cef8fdf6a9 Mon Sep 17 00:00:00 2001
From: Conrad <grosserconrad@gmail.com>
Date: Mon, 16 Mar 2020 15:30:17 +0100
Subject: [PATCH] Added dry mode

---
 action.yml    | 6 +++++-
 entrypoint.sh | 5 +++--
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/action.yml b/action.yml
index f76da71..41e867c 100644
--- a/action.yml
+++ b/action.yml
@@ -20,8 +20,12 @@ inputs:
     required: false
     default: '--write **/*.js'
   branch:
-    description: Branch which the changes are merged to
+    description: Target branch for the changes
     required: true
+  dry:
+    description: Running the script in dry mode just shows whether there are files that should be prettified or not
+    required: false
+    default: False
 
 runs:
   using: 'docker'
diff --git a/entrypoint.sh b/entrypoint.sh
index 4aa8b06..01a0ddb 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -40,10 +40,11 @@ echo "Installing prettier..."
 npm install --silent --global prettier
 
 echo "Prettifing files..."
-prettier $INPUT_PRETTIER_OPTIONS || echo "Problem while prettifying your files with options $INPUT_PRETTIER_OPTIONS"
+echo "Files:"
+prettier $INPUT_PRETTIER_OPTIONS || echo "Problem while prettifying your files with options $INPUT_PRETTIER_OPTIONS."
 
 # To keep runtime good, just continue if something was changed
-if _git_changed;
+if [! $INPUT_DRY] && [_git_changed];
 then
   # Calling method to configure the git environemnt
   _git_setup