Initial commit

node_modules/execa/lib/pipe/sequence.js

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+// Like Bash, we await both subprocesses. This is unlike some other shells which only await the destination subprocess.
+// Like Bash with the `pipefail` option, if either subprocess fails, the whole pipe fails.
+// Like Bash, if both subprocesses fail, we return the failure of the destination.
+// This ensures both subprocesses' errors are present, using `error.pipedFrom`.
+export const waitForBothSubprocesses = async subprocessPromises => {
+	const [
+		{status: sourceStatus, reason: sourceReason, value: sourceResult = sourceReason},
+		{status: destinationStatus, reason: destinationReason, value: destinationResult = destinationReason},
+	] = await subprocessPromises;
+
+	if (!destinationResult.pipedFrom.includes(sourceResult)) {
+		destinationResult.pipedFrom.push(sourceResult);
+	}
+
+	if (destinationStatus === 'rejected') {
+		throw destinationResult;
+	}
+
+	if (sourceStatus === 'rejected') {
+		throw sourceResult;
+	}
+
+	return destinationResult;
+};