diff --git a/README.md b/README.md
index aeee7ab..0937743 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,6 @@ The following parameters can be used in your custom action configuration.
 | commit_options | :x: | - | Custom git commit options|
 | file_pattern | :x: | '*' | Custom file pattern for `git add`|
 | dependencies | :x: | 'requirements.txt' |  Path for the repositories 'requirements.txt'. If you have none, you may skip this.|
-| branch | :white_check_mark: | - | The specific branch you want to merge into. Use ${{ github.head_ref }} if you want to use this with pull requests. |
 | checkpath | :x: | '.' | The path autopep8 checks |
 | autoparameters | :x: | ' ' | Parameters to use with autopep8 |
 | dry | :x: | false | Dry-run the action to fail when detecting PEP-8 uncompliant files, instead of automatically fixing them. |
diff --git a/action.yml b/action.yml
index 2e82558..d6056aa 100644
--- a/action.yml
+++ b/action.yml
@@ -19,9 +19,6 @@ inputs:
     description: Path for the repositories 'requirements.txt'. If you have none, you may skip this.
     required: false
     default: 'requirements.txt'
-  branch:
-    description: Branch which the changes are merged to
-    required: true
   checkpath:
     description: Path autopep8 checks
     required: false
@@ -38,14 +35,6 @@ inputs:
 runs:
   using: 'docker'
   image: 'Dockerfile'
-  args:
-    - ${{ inputs.commit_message }}
-    - ${{ inputs.commit_options }}
-    - ${{ inputs.file_pattern }}
-    - ${{ inputs.dependencies }}
-    - ${{ inputs.branch }}
-    - ${{ inputs.checkpath }}
-    - ${{ inputs.autoparameters }}
 
 branding:
   icon: 'fast-forward'
diff --git a/entrypoint.sh b/entrypoint.sh
index 05a1f65..b5eb4c3 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -1,21 +1,28 @@
 #!/bin/sh -l
-
+# e is for exiting the script automatically if a command fails, u is for exiting if a variable is not set
+# x would be for showing the commands before they are executed
 set -eu
 
+# FUNCTIONS
 # Function for setting up git env in the docker container (copied from https://github.com/stefanzweifel/git-auto-commit-action/blob/master/entrypoint.sh)
-git_setup ( ) {
-  cat <<- EOF > $HOME/.netrc
-        machine github.com
-        login $GITHUB_ACTOR
-        password $GITHUB_TOKEN
-        machine api.github.com
-        login $GITHUB_ACTOR
-        password $GITHUB_TOKEN
+_git_setup ( ) {
+    cat <<- EOF > $HOME/.netrc
+      machine github.com
+      login $GITHUB_ACTOR
+      password $GITHUB_TOKEN
+      machine api.github.com
+      login $GITHUB_ACTOR
+      password $GITHUB_TOKEN
 EOF
     chmod 600 $HOME/.netrc
 
     git config --global user.email "actions@github.com"
-    git config --global user.name "GitHub Actions"
+    git config --global user.name "GitHub Action"
+}
+
+# Checks if any files are changed
+_git_changed() {
+    [[ -n "$(git status -s)" ]]
 }
 
 echo "Installing dependencies..."
@@ -30,7 +37,7 @@ pip install -r $INPUT_DEPENDENCIES || echo "No dependency file found."
 echo "Running autopep8..."
 autopep8 -i -r $INPUT_CHECKPATH $INPUT_AUTOPARAMETERS || echo "Problem running autopep8!"
 
-if ! git diff --quiet
+if _git_changed;
 then
   if $INPUT_DRY; then
     echo "Found non-compliant files!"