Add bootstrap option to install without building. #9050
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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.
3405691582
requested review from
bkhouri,
bripeticca,
cmcgee1024,
daveyc123,
dschaefer2,
jakepetroules,
owenv,
plemarquand and
shawnhyam
as code owners
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@swift-ci please test. |
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@swift-ci please test Windows platform. |
jakepetroules
approved these changes
Aug 20, 2025
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@swift-ci test windows |
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@swift-ci please test Windows platform. |
1 similar comment
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@swift-ci please test Windows platform. |
|
@swift-ci please test Windows platform |
|
@swift-ci please test Windows platform. |
1 similar comment
|
@swift-ci please test Windows platform. |
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@jakepetroules could you merge on my behalf please if there is nothing else? |
This was referenced Sep 9, 2025
rconnell9
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Oct 24, 2025
…9106) - **Explanation**: 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. (See also #9105) - **Scope**: Makes a change to the bootstrap wrapper, so no behavioral changes by default. - **Issues**: Relevant to OpenBSD port in swiftlang/swift#78437 - **Original PRs**: #9050 - **Risk**: Minimal, since there are no behavioral changes by default. - **Testing**: Passed CI. - **Reviewers**: @jakepetroules
3405691582
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this pull request
Oct 24, 2025
…9105) - **Explanation**: 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. (See also #9106) - **Scope**: Makes a change to the bootstrap wrapper, so no behavioral changes by default. - **Issues**: Relevant to OpenBSD port in swiftlang/swift#78437 - **Original PRs**: #9050 - **Risk**: Minimal, since there are no behavioral changes by default. - **Testing**: Passed CI. - **Reviewers**: @jakepetroules
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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-onlyflag is passed and theinstallaction is specified, the built swiftpm is installed only, and not rebuilt.