ci: run swift format

.github/workflows/format.yml

@@ -0,0 +1,29 @@
+name: Format
+
+on:
+  push:
+    branches:
+      - '*'
+
+concurrency:
+  group: format-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  swift_format:
+    name: swift-format
+    runs-on: macos-14
+    steps:
+      - uses: actions/checkout@v4
+      - name: Select Xcode 16
+        run: sudo xcode-select -s /Applications/Xcode_16.app
+      - name: Install swift-format
+        run: brew install swift-format
+      - name: Format
+        run: make format
+      - uses: stefanzweifel/git-auto-commit-action@v4
+        with:
+          commit_message: "style: run swift-format"
+          branch: "main"
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

Makefile

@@ -107,10 +107,14 @@ build-examples:
 	done
 
 format:
-	@swiftformat .
+	find . \
+		-path '*/Documentation.docc' -prune -o \
+		-name '*.swift' \
+		-not -path '*/.*' -print0 \
+		| xargs -0 swift format --ignore-unparsable-files --in-place
 
 .PHONY: test-library test-linux build-example format
 
 define udid_for
 $(shell xcrun simctl list devices available '$(1)' | grep '$(2)' | sort -r | head -1 | awk -F '[()]' '{ print $$(NF-3) }')
-endef
+endef