Initial Commit.

unity-get-version/action.yaml

@@ -0,0 +1,26 @@
+name: unity-get-version
+description: "Get the correct Unity version from a provided project."
+inputs:
+  projectPath: 
+    description: "Path to the Unity project."
+    required: true
+    default: "."
+outputs:
+  projectVersion:
+    description: "Unity project version."
+    value: ${{ steps.getVersion.outputs.projectVersion }}
+runs:
+  using: "composite"
+  steps:
+  - name: "Get Unity project version."
+    id: getVersion
+    run: |
+      VERSION_KEY="m_EditorVersion"
+      VERSION_FILE="ProjectSettings/ProjectVersion.txt"
+      VERSION_FILE_PATH="${{ inputs.projectPath }}/$VERSION_FILE"
+
+      VERSION=$(grep -w $VERSION_KEY $VERSION_FILE_PATH | cut -d ':' -f2 | xargs)
+
+      echo "::set-output name=projectVersion::$VERSION"
+    shell: bash
+