add a new action to update game versions

Optional arg to commit the changes

Author: traunts

.github/actions/set_version/action.yaml

@@ -0,0 +1,37 @@
+name: 'Set Version'
+description: 'Updates all references to the current game version'
+inputs:
+  new_release_version: 
+    description: 'The new version string'
+    required: true
+  commit_changes:
+    description: 'Whether to commit the changes or not'
+    required: false
+    default: "false"
+runs:
+  using: "composite"
+  steps:
+    - name: Set Constants.h GameVersion
+      run: sed -i -E '/c_GameVersion = /s/"[^"]*"/"${{inputs.new_release_version}}"/' System/Constants.h
+      shell: bash
+
+    - uses: actions/setup-python@v3
+
+    - name: Rewrite meson version
+      run: |
+        pip install meson
+        meson rewrite kwargs set project // version ${{ inputs.new_release_version }}
+      shell: bash
+
+    - name: Commit and push Version Changes
+      if: ${{ inputs.commit_changes == 'true' }}
+      shell: bash
+      run: |
+        git config --global user.email "[email protected]"
+        git config --global user.name "GitHub Action"
+        git add System/GameVersion.h meson.build
+        git commit -m "Update version" || echo "No changes to commit"
+        git push
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+