Workaround for using SwiftGenPlugin in Xcode Cloud #1102
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The atomic version of api has a bug as of Swift 5.9.2 where writing to DerivedData folder located on external drives fails. This is also how Xcode Cloud is setup, hence writing generated files with SwiftGen fails there too.
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djbe
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Mar 15, 2024
| extension Path { | ||
| /// Workaround for a bug in SPM that prevents SwiftGen from writing files to DerivedData folder located on an external drive. | ||
| /// https://github.com/apple/swift-package-manager/issues/6948#issuecomment-1747196926 | ||
| public func writeFix(_ string: String, encoding: String.Encoding = String.Encoding.utf8) throws { |
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I'd prefer a slightly better name:
Suggested change
| public func writeFix(_ string: String, encoding: String.Encoding = String.Encoding.utf8) throws { | |
| public func writeNonAtomically(_ string: String, encoding: String.Encoding = String.Encoding.utf8) throws { |
|
Updating to XCode 16.2 and setting the Swift version to 6 does not solve the issue for me. |
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The atomic version of api has a bug as of Swift 5.9.2 where writing to DerivedData folder located on external drives fails. This is also how Xcode Cloud is setup, hence writing generated files with SwiftGen fails there too.
See more details swiftlang/swift-package-manager#6948 (comment)
The proper fix is already implemented swiftlang/swift-package-manager#6910 but not released yet (as of Swift 5.9.2)
Fixes SwiftGen/SwiftGenPlugin#18
I've tested this by making a private binary release of this change and testing with a fork of SwiftGenPlugin, see more here SwiftGen/SwiftGenPlugin#18 (comment)