Add bootstrap option to install without building. #9050
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The Utilities/bootstrap process can optionally install swiftpm without rebuilding swiftpm.
Motivation:
This allows the build action to be decoupled from the install action, so packaging systems that expect to be able to do discrete installation steps post-build can do so cheaply, without having to effectively start the build over from scratch.
This is only intended solely for that use-case, so this is not wired up to other part of the swiftpm build process and defaults to being disabled.
Modifications:
Result:
No change, other than when the
--install-only
flag is passed and theinstall
action is specified, the built swiftpm is installed only, and not rebuilt.