Added ability to use package.json in different dir

README.md

@@ -49,5 +49,17 @@ jobs:
 The above workflow will create a release that looks like:
 ![Release](release.png)
 
+If your `package.json` isn't available in root, you can pass the directory of the `package.json`:
+
+```yaml
+      - name: Changelog
+        uses: scottbrenner/generate-changelog-action@master
+        id: Changelog
+        env:
+          REPO: ${{ github.repository }}
+        with:
+          package-dir: 'root/to/my/package.json'
+```
+
 For more information, see [actions/create-release: Usage](https://github.com/actions/create-release#usage) and [lob/generate-changelog: Usage](https://github.com/lob/generate-changelog#usage)
 

action.yml

@@ -4,6 +4,11 @@ author: 'Scott Brenner'
 outputs:
   changelog:
     description: 'Generate changelog'
+inputs:
+  package-dir:
+    description: 'The path for the package.json if it's not in root'
+    required: false
+    default: 'package.json'
 runs:
   using: 'docker'
   image: 'Dockerfile'

entrypoint.sh

@@ -2,6 +2,10 @@
 
 git clone --quiet https://github.com/$REPO &> /dev/null
 
+if [ "$1" ] && [ "$1" != "package.json" ]; then
+  cp "$1" package.json
+fi
+
 tag=$(git tag --sort version:refname | tail -n 2 | head -n 1)
 changelog=$(generate-changelog -t "$tag" --file -)