Commit build files only if untracked files are present.

deploy.sh

@@ -114,9 +114,11 @@ if [[ "$BUILD_DIR" = false ]]; then
 		git config --global user.name "10upbot on GitHub"
 
 		# Ensure git archive will pick up any changed files in the directory try.
-    		test $(git ls-files --deleted) && git rm $(git ls-files --deleted)
-  		git add .
-  		git commit -m "Include build step changes"
+		test $(git ls-files --deleted) && git rm $(git ls-files --deleted)
+		if [ -n "$(git status --porcelain --untracked-files=all)" ]; then
+			git add .
+			git commit -m "Include build step changes"
+		fi
 
 		# If there's no .gitattributes file, write a default one into place
 		if [[ ! -e "$GITHUB_WORKSPACE/.gitattributes" ]]; then