Support local changes

README.md

@@ -35,6 +35,10 @@ doesn't allow this because they doesn't work on a level of individual jobs or st
   when `base` input parameter is same as the branch that triggered the workflow:
     - Changes are detected from last commit
   - Uses git commands to detect changes - repository must be already [checked out](https://github.com/actions/checkout)
+- **Local changes**
+  - Workflow triggered by any event when `base` input parameter is set to `HEAD`
+  - Changes are detected against current HEAD
+  - Untracked files are ignored
 
 ## Example
 ```yaml
@@ -304,6 +308,35 @@ jobs:
 ```
 </details>
 
+<details>
+  <summary><b>Local changes:</b> Detect staged and unstaged local changes</summary>
+
+```yaml
+on:
+  push:
+    branches: # Push to following branches will trigger the workflow
+      - master
+      - develop
+      - release/**
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+
+      # Some action which modifies files tracked by git (e.g. code linter)
+    - uses: johndoe/some-action@v1
+
+      # Filter to detect which files were modified
+      # Changes could be for example automatically committed
+    - uses: dorny/paths-filter@v2
+      id: filter
+      with:
+        base: HEAD
+        filters: ... # Configure your filters
+```
+</details>
+
 ## Advanced options
 
 <details>