[6.0] Don’t reload package manifest when a header is added #7692
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MaxDesiatov
added
bug
performance
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@swift-ci test |
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Cherry-pick of #7691.
Explanation: Currently, any new header file causes a package reload. This means that while background indexing is writing header files into the index build directory, the package will get reloaded, which is unnecessary.
Scope: isolated to known clients using this function, primarily SourceKit-LSP
Risk: low, the function itself is not used in SwiftPM
Testing: added a new unit test
Issue: rdar://128573306
Reviewer: @ahoppen @bnbarham