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TSCBasic: normalise the drive letter spelling on Windows #422

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merged 1 commit into from
Jun 16, 2023

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Windows normalises the drive letter to an uppercase letter. However, some environments (e.g. nodejs) use the lower case spelling. This results in a path spelling difference which triggers a rebuild in the case that the LSP is running within VSCode.

Normalise the spelling to the upper case always when building an AbsolutePath.

Based on a patch by Ami Fischman!

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@swift-ci please test

compnerd added a commit to compnerd/swift-package-manager that referenced this pull request Jun 15, 2023
When building a project inside of VSCode with the LSP enabled,
rebuilding the project would trigger a change to the mtimes of the
auxiliary files resulting in an unnecessary rebuilding of targets.  In
conjunction with the changes to tools-support-core
(swiftlang/swift-tools-support-core#422), incremental builds do not trigger
a cascade of rebuilds that are unnecessary.

Extracted from a patch by Ami Fischman!
compnerd added a commit to compnerd/swift-package-manager that referenced this pull request Jun 15, 2023
When building a project inside of VSCode with the LSP enabled,
rebuilding the project would trigger a change to the mtimes of the
auxiliary files resulting in an unnecessary rebuilding of targets.  In
conjunction with the changes to tools-support-core
(swiftlang/swift-tools-support-core#422), incremental builds do not trigger
a cascade of rebuilds that are unnecessary.

Extracted from a patch by Ami Fischman!
@compnerd
Copy link
Member Author

@swift-ci please test

compnerd added a commit to compnerd/swift-package-manager that referenced this pull request Jun 15, 2023
When building a project inside of VSCode with the LSP enabled,
rebuilding the project would trigger a change to the mtimes of the
auxiliary files resulting in an unnecessary rebuilding of targets.  In
conjunction with the changes to tools-support-core
(swiftlang/swift-tools-support-core#422), incremental builds do not trigger
a cascade of rebuilds that are unnecessary.

Extracted from a patch by Ami Fischman!

Co-authored-by: Ami Fischman <ami@thebrowser.company>
Windows normalises the drive letter to an uppercase letter.  However,
some environments (e.g. nodejs) use the lower case spelling.  This
results in a path spelling difference which triggers a rebuild in the
case that the LSP is running within VSCode.

Normalise the spelling to the upper case always when building an
`AbsolutePath`.

Based on a patch by Ami Fischman!

Co-authored-by: Ami Fischman <ami@thebrowser.company>
@compnerd
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@swift-ci please test

@compnerd compnerd enabled auto-merge (rebase) June 15, 2023 20:52
@compnerd
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@swift-ci please test Windows platform

tomerd pushed a commit to swiftlang/swift-package-manager that referenced this pull request Jun 15, 2023
When building a project inside of VSCode with the LSP enabled,
rebuilding the project would trigger a change to the mtimes of the
auxiliary files resulting in an unnecessary rebuilding of targets.  In
conjunction with the changes to tools-support-core
(swiftlang/swift-tools-support-core#422), incremental builds do not trigger
a cascade of rebuilds that are unnecessary.

Extracted from a patch by Ami Fischman!

Co-authored-by: Ami Fischman <ami@thebrowser.company>
@compnerd compnerd merged commit 8a19fe9 into swiftlang:main Jun 16, 2023
@compnerd compnerd deleted the uppercase branch June 16, 2023 04:04
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3 participants