bazel-xcode / bazel-xcode/xchammer

Determine Swift version

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Dominant language
Swift
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Description

XCHammer needs a value for `SWIFT_VERSION`. Currently it runs `xcrun swift package tools-version` (see #85) but this only works for projects that have a `Package.swift`.

https://github.com/pinterest/xchammer/blob/c96f82173572b73544df435e4b0015784e5aecdc/Sources/XCHammer/XcodeTarget.swift#L604

I'm not sure what the best way is to get a swift version. Maybe the output of `swift -version`, but that doesn't looks to be ad hoc text, and could potentially change format and break XCHammer.

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