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Allow both standardOutput and standardError to be streamed simultaneously with closure-based run. #42

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Merged
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May 9, 2025
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Allow both standardOutput and standardError to be streamed simultaneously with closure-based run. #42

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4 changes: 2 additions & 2 deletions Sources/Subprocess/Execution.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -122,13 +122,13 @@ extension Execution where Error == SequenceOutput {
/// via pipe under the hood and each pipe can only be consumed once.
public var standardError: AsyncBufferSequence {
let consumptionState = self.outputConsumptionState.bitwiseXor(
OutputConsumptionState.standardOutputConsumed
OutputConsumptionState.standardErrorConsumed
)

guard consumptionState.contains(.standardErrorConsumed),
let readFd = self.errorPipe.readEnd
else {
fatalError("The standard output has already been consumed")
fatalError("The standard error has already been consumed")
}
return AsyncBufferSequence(diskIO: readFd)
}
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