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Add SwiftFormat lint check on pull requests #599

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Add SwiftFormat lint check on pull requests #599

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4594d96
Add SwiftFormat lint check on pull requests
bjorkert Apr 9, 2026
31e6b75
Cancel in-flight lint runs when a newer push lands
bjorkert Apr 9, 2026
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37 changes: 37 additions & 0 deletions .github/workflows/lint.yml
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Original file line number Diff line number Diff line change
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name: Lint
run-name: Lint (${{ github.head_ref || github.ref_name }})

on:
pull_request:
workflow_dispatch:

concurrency:
group: lint-${{ github.ref }}
cancel-in-progress: true

permissions:
contents: read

jobs:
swiftformat:
name: SwiftFormat
runs-on: ubuntu-latest
container: swift:6.0
steps:
- name: Checkout
uses: actions/checkout@v5

- name: Cache SwiftFormat build
uses: actions/cache@v4
with:
path: BuildTools/.build
key: ${{ runner.os }}-swiftformat-${{ hashFiles('BuildTools/Package.resolved', 'BuildTools/Package.swift') }}
restore-keys: |
${{ runner.os }}-swiftformat-

- name: SwiftFormat --lint
run: |
swift run -c release --package-path BuildTools swiftformat . \
--lint \
--header "LoopFollow\n{file}" \
--exclude Pods,Generated,R.generated.swift,fastlane/swift,Dependencies,dexcom-share-client-swift
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