updated docs to specify override

.github/workflows/test.yml

@@ -81,7 +81,6 @@ jobs:
 
       - name: Verify fetch filter
         run: __test__/verify-fetch-filter.sh
-    
 
       # Sparse checkout
       - name: Sparse checkout

README.md

@@ -75,12 +75,12 @@ When Git 2.18 or higher is not in your PATH, falls back to the REST API to downl
     # Default: true
     clean: ''
 
-    # Partially clone against a given filter.
+    # Partially clone against a given filter. Overrides sparse-checkout if set.
     # Default: null
     filter: ''
 
     # Do a sparse checkout on given patterns. Each pattern should be separated with
-    # new lines
+    # new lines.
     # Default: null
     sparse-checkout: ''
 
@@ -128,18 +128,23 @@ When Git 2.18 or higher is not in your PATH, falls back to the REST API to downl
 
 # Scenarios
 
-- [Fetch only the root files](#Fetch-only-the-root-files)
-- [Fetch only the root files and `.github` and `src` folder](#Fetch-only-the-root-files-and-github-and-src-folder)
-- [Fetch only a single file](#Fetch-only-a-single-file)
-- [Fetch all history for all tags and branches](#Fetch-all-history-for-all-tags-and-branches)
-- [Checkout a different branch](#Checkout-a-different-branch)
-- [Checkout HEAD^](#Checkout-HEAD)
-- [Checkout multiple repos (side by side)](#Checkout-multiple-repos-side-by-side)
-- [Checkout multiple repos (nested)](#Checkout-multiple-repos-nested)
-- [Checkout multiple repos (private)](#Checkout-multiple-repos-private)
-- [Checkout pull request HEAD commit instead of merge commit](#Checkout-pull-request-HEAD-commit-instead-of-merge-commit)
-- [Checkout pull request on closed event](#Checkout-pull-request-on-closed-event)
-- [Push a commit using the built-in token](#Push-a-commit-using-the-built-in-token)
+- [Checkout V4](#checkout-v4)
+- [What's new](#whats-new)
+- [Usage](#usage)
+- [Scenarios](#scenarios)
+  - [Fetch only the root files](#fetch-only-the-root-files)
+  - [Fetch only the root files and `.github` and `src` folder](#fetch-only-the-root-files-and-github-and-src-folder)
+  - [Fetch only a single file](#fetch-only-a-single-file)
+  - [Fetch all history for all tags and branches](#fetch-all-history-for-all-tags-and-branches)
+  - [Checkout a different branch](#checkout-a-different-branch)
+  - [Checkout HEAD^](#checkout-head)
+  - [Checkout multiple repos (side by side)](#checkout-multiple-repos-side-by-side)
+  - [Checkout multiple repos (nested)](#checkout-multiple-repos-nested)
+  - [Checkout multiple repos (private)](#checkout-multiple-repos-private)
+  - [Checkout pull request HEAD commit instead of merge commit](#checkout-pull-request-head-commit-instead-of-merge-commit)
+  - [Checkout pull request on closed event](#checkout-pull-request-on-closed-event)
+  - [Push a commit using the built-in token](#push-a-commit-using-the-built-in-token)
+- [License](#license)
 
 ## Fetch only the root files
 

action.yml

@@ -54,12 +54,14 @@ inputs:
     description: 'Whether to execute `git clean -ffdx && git reset --hard HEAD` before fetching'
     default: true
   filter:
-    description: 'Partially clone against a given filter.'
+    description: >
+      Partially clone against a given filter.
+      Overrides sparse-checkout if set.
     default: null
   sparse-checkout:
     description: >
       Do a sparse checkout on given patterns.
-      Each pattern should be separated with new lines
+      Each pattern should be separated with new lines.
     default: null
   sparse-checkout-cone-mode:
     description: >