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[wasm][1/2] Add reusable WebAssembly workflow #3331

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Lukasa merged 1 commit into from
Aug 4, 2025
+15 −0
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[wasm][1/2] Add reusable WebAssembly workflow #3331

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15 changes: 15 additions & 0 deletions .github/workflows/wasm_sdk.yml
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Original file line number Diff line number Diff line change
@@ -0,0 +1,15 @@
name: WebAssembly SDK

on:
workflow_call:

jobs:
wasm-sdk:
name: WebAssembly Swift SDK
uses: swiftlang/github-workflows/.github/workflows/swift_package_test.yml@main
with:
enable_wasm_sdk_build: true
enable_linux_checks: false
enable_windows_checks: false
swift_flags: --target NIOCore
swift_nightly_flags: --target NIOCore
Comment on lines +14 to +15
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@kkebo kkebo Aug 7, 2025 •
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FYI: Thanks to swiftlang/github-workflows#149, these two lines can be shortened into one line.

Suggested change
swift_flags: --target NIOCore
swift_nightly_flags: --target NIOCore
wasm_sdk_build_command: swift build --target NIOCore

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@MaxDesiatov MaxDesiatov Aug 7, 2025

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IIRC swift_nightly_flags in absence of a defined value is auto-populated from swift_flags, so the workflow here should just specify the latter without a need for wasm_sdk_build_command.

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@kkebo kkebo Aug 7, 2025

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@MaxDesiatov That's incorrect. swift_nightly_flags is not inherited from swift_flags.

https://github.com/swiftlang/github-workflows/blob/1f5e7cde8ba1fd63b9ec36f624453a6fc4420043/.github/workflows/swift_package_test.yml#L330

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@MaxDesiatov MaxDesiatov Aug 7, 2025

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I may be missing something, but there's || inputs.swift_flags on the line you've linked to?

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@kkebo kkebo Aug 7, 2025

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Yes, I linked to the following line.

BUILD_FLAGS: ${{ (contains(matrix.swift_version, 'nightly') && inputs.swift_nightly_flags) || inputs.swift_flags }}

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@kkebo kkebo Aug 7, 2025

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This is a ternary operator.

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@MaxDesiatov MaxDesiatov Aug 7, 2025 •
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I don't think so. If swift_nightly_flags is undefined, the first operand of || is falsy, which then evaluates to the second operand swift_flags. You can also see swift_flags respected for nightlies in this workflow, where swift_nightly_flags is not defined at all https://github.com/swiftlang/swift-for-wasm-examples/blob/main/.github/workflows/pull_request.yml

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@kkebo kkebo Aug 7, 2025 •
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Sorry, I was wrong. I didn't expect that the empty string was falsy. Thank you.

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