Add option for minified files to overwrite existing ones (#19)

README.md

@@ -8,6 +8,7 @@ Minifies JS and CSS files with Babel-Minify and CleanCSS
 | -- | -- | -- | -- |
 | directory | Directory that contains the files you want to minify. | false | . ( current directory ) |
 | output | Directory that contains the minified files. | false | same as directory |
+| overwrite | Overwrites the existing files with the minified version. Defaults to false. | false | false |
 | maxdepth | Descend at most levels (a non-negative integer) levels of directories below the starting-points. | false | "" (empty) |
 | js_engine | Specifies which of the supported packages minifies JS files. Supported packages: `babel`, `uglify-js` | false | babel |
 
@@ -36,6 +37,27 @@ steps:
       branch: ${{ github.ref }}
 ```
 
+##### Overwriting Existing Files
+
+```
+steps:
+  # Checks-out your repository under $GITHUB_WORKSPACE, so auto-minify job can access it
+  - uses: actions/checkout@v2
+
+  - name: Auto Minify
+    uses: nizarmah/auto-minify@v2
+    with:
+      overwrite: true
+
+  # Auto commits minified content to the existing files
+  # Ignore it if you don't want to commit the files to the repository 
+  - name: Auto committing minified files
+    uses: stefanzweifel/git-auto-commit-action@v4
+    with:
+      commit_message: "Github Action: Auto Minified JS and CSS files"
+      branch: ${{ github.ref }}
+```
+
 ##### Specifying Maxdepth
 
 ```

action.yml

@@ -12,6 +12,10 @@ inputs:
     description: "Directory that contains the minified files. Defaults to same directory"
     required: false
     default: ""
+  overwrite:
+    description: "Overwrites the existing files with the minified version. Defaults to false."
+    required: false
+    default: "false"
   maxdepth:
     description: "Descend at most levels (a non-negative integer) levels of directories below the starting-points."
     required: false

entrypoint.sh

@@ -35,7 +35,12 @@ output_name () {
 		mkdir -p $f_path
 	fi
 
-	echo "$f_path/$f_name.min$f_extn" | xargs readlink -m
+	min_extn=".min"
+	if $overwrite; then
+		min_extn=""
+	fi
+
+	echo "$f_path/$f_name$min_extn$f_extn" | xargs readlink -m
 }
 
 find_files () {
@@ -142,6 +147,11 @@ if [ ! -z $out_dir ]; then
 	mkdir -p $out_dir
 fi
 
+overwrite=false
+if [ "${INPUT_OVERWRITE,,}" == "true" ]; then
+	overwrite=true
+fi
+
 js_files=$( find_files 'js' )
 css_files=$( find_files 'css' )