Added custom folder option

README.md

@@ -12,6 +12,7 @@ GitHub action for automatic lossless image compression using OptiPNG for PNG com
 | commit_message | :x: | Prettified Code! | Custom git commit message |
 | file_pattern | :x: | * | Custom git add file pattern |
 | branch | :white_check_mark: | - | There are two types of action triggers in GitHub: on pull request and on push. The branch needs to be defined for both, but in case of the pull request trigger it should have `${{ github.head_ref }}` and on push it should have the branch the trigger is designed for. |
+| folder | :x: | . | Custom search folder, if you don't want to search the whole repository. |
 
 ### Example Config
 

action.yml

@@ -18,6 +18,10 @@ inputs:
   branch:
     description: Target branch for the changes
     required: true
+  folder:
+    description: Starting folder for recursive search
+    required: false
+    default: '.'
 
 runs:
   using: 'docker'

entrypoint.sh

@@ -36,9 +36,10 @@ _git_push() {
 }
 
 # PROGRAM
-find . -type f -name "*.jpg" -exec jpegoptim {} \;
-find . -type f -name "*.jpeg" -exec jpegoptim {} \;
-find . -type f -name "*.png" -exec optipng -nc -nb -o7 {} \;
+find $INPUT_FOLDER -type f -name "*.jpg" -exec jpegoptim {} \;
+find $INPUT_FOLDER -type f -name "*.jpeg" -exec jpegoptim {} \;
+# nc nb are so that no color information is lost
+find $INPUT_FOLDER -type f -name "*.png" -exec optipng -nc -nb -o7 {} \;
 
 # To keep runtime good, just continue if something was changed
 if _git_changed;