Don't send branch ref if not specified

README.md

@@ -20,4 +20,4 @@ Minimal setup.
 |---|---|---|---|
 |`files`|A list of files with the path separated by a space, relative to root of your repository. Can also be a folder and the action will recursively pull all the files.|`true`|N/A|
 |`token`|A GitHub token. |`false`|`${{ github.token }}`|
-|`branch`|Checkout files from a specific branch.|`false`|`master`|
+|`branch`|Checkout files from a specific branch. If none specified, it will use the default branch of the repository.|`false`|N/A|

action.yml

@@ -16,7 +16,6 @@ inputs:
   branch:
     description: 'Branch to checkout files from'
     required: false
-    default: master
 
 runs:
   using: 'node16'

index.js

@@ -12,13 +12,16 @@ const owner = repository.split('/')[0]
 const repo = repository.split('/')[1]
 const ref = core.getInput('branch');
 
+function getContentParams() {
+    let params = { owner, repo }
+
+    if (ref) { params.ref = ref }
+    return params;
+}
+
 function getContent(path) {
-    octokit.rest.repos.getContent({
-        owner,
-        repo,
-        path,
-        ref,
-    }).then(data => {
+    octokit.rest.repos.getContent({ path, ...getContentParams() })
+        .then(data => {
         if (Array.isArray(data.data)) {
             data.data.forEach(fileData => getContent(fileData.path))
         } else {
@@ -37,6 +40,6 @@ function saveContent(data) {
     fs.writeFile(data.path, fileContent, err => { if (err) throw err });
 }
 
-files.forEach(file =>{
+files.forEach(file => {
     getContent(file)
 })