Run lint & build in CI

.github/workflows/ci.yml

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+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: ["*"]
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          lfs: true
+
+      - run: make lint-ci
+      - run: make format-ci
+
+  build:
+    needs:
+      - lint
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          lfs: true
+
+      - uses: actions/cache@v3
+        with:
+          path: |
+            .swiftpm-packages
+          key: v0-${{ runner.os }}-swiftpm-${{ hashFiles('**/Package.resolved') }}
+          restore-keys: v0-${{ runner.os }}-swiftpm-
+
+      - run: make build

.swiftformat

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+--swiftversion 5.7
+--indent 2
+--maxwidth 120
+--exclude WebSocketDemo-Shared/Schemas/foxglove

.swiftlint.yml

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+excluded:
+  - .build
+  - .swiftpm-packages
+  - WebSocketDemo-Shared/Schemas/foxglove
+
+disabled_rules:
+  - function_body_length
+  - type_body_length
+  - file_length
+  - cyclomatic_complexity
+  - identifier_name
+  - opening_brace # conflicts with swiftformat
+
+trailing_comma:
+  mandatory_comma: true

Makefile

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+.PHONY: build
+build:
+	# https://developer.apple.com/documentation/xcode/building-swift-packages-or-apps-that-use-them-in-continuous-integration-workflows
+	# https://stackoverflow.com/questions/4969932/separate-build-directory-using-xcodebuild
+	# https://forums.swift.org/t/swiftpm-with-git-lfs/42396/4
+	GIT_LFS_SKIP_DOWNLOAD_ERRORS=1 \
+	xcodebuild \
+		-disableAutomaticPackageResolution \
+		-clonedSourcePackagesDirPath .swiftpm-packages \
+		-destination generic/platform=iOS \
+		-scheme "Foxglove Bridge" \
+		SYMROOT="$(PWD)"/build \
+		CODE_SIGN_IDENTITY="" \
+		CODE_SIGNING_REQUIRED=NO \
+		-configuration Release \
+		clean build analyze
+
+.PHONY: lint-ci
+lint-ci:
+	docker run -t --platform linux/amd64 --rm -v "$(PWD)":/work -w /work ghcr.io/realm/swiftlint:0.53.0
+
+.PHONY: format-ci
+format-ci:
+	docker run -t --rm -v "$(PWD)":/work ghcr.io/nicklockwood/swiftformat:0.52.8 --lint /work