feat: publish prebuilt universal macOS binary on release#660
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Add release_macos_binary.yml workflow that builds arm64 + x86_64 and merges them into a universal binary via lipo, then uploads danger-swift-macos-universal.tar.gz to the GitHub Release. Update create_homebrew_tap.sh to generate a formula that installs the prebuilt binary directly instead of compiling from source — reducing brew install time from ~10 minutes to a few seconds, and removing the Xcode build dependency from the formula.
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Problem
The existing
danger/tap/danger-swiftHomebrew formula works locally, but has two issues on CI runners:brew tap danger/taprequires a git clone via HTTPS — this fails silently on environments with restricted network access (e.g. Xcode Cloud), leavingdanger-swiftunavailable with no clear error message.The formula compiles from source (
make install) — this takes ~10 minutes and requires Xcode as a build dependency on every clean CI runner.Solution
This PR adds a
release_macos_binary.ymlworkflow that runs on every tag and:danger-swiftfor botharm64andx86_64lipodanger-swift-macos-universal.tar.gz+ its SHA256 to the GitHub ReleaseIt also updates
Scripts/create_homebrew_tap.shto generate a formula that installs the prebuilt binary directly — removing the Xcode build dependency and reducing install time from ~10 minutes to a few seconds.Result
brew install danger/tap/danger-swift # now takes ~5 secondsThe universal binary works natively on Apple Silicon and under Rosetta (x86_64) without needing
arch -arm64workarounds.