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Increase PR url download retry #311

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Increase PR url download retry #311

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8 changes: 5 additions & 3 deletions .github/workflows/scripts/cross-pr-checkout.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -81,6 +81,7 @@ public func lookup(executable: String) throws -> URL {
}

func downloadData(from url: URL) async throws -> Data {
print("Retrieving data from \(url)...")
return try await withCheckedThrowingContinuation { continuation in
URLSession.shared.dataTask(with: url) { data, _, error in
if let error {
Expand Down Expand Up @@ -124,12 +125,13 @@ func getPRInfo(repository: String, prNumber: String) async throws -> PRInfo {
let data = try await downloadData(from: prInfoUrl)
return try JSONDecoder().decode(PRInfo.self, from: data)
} catch {
let messagePrefix = "[\(attempt) / \(maxAttempts)] Failed to load PR info from \(prInfoUrl)"
if attempt == maxAttempts {
throw GenericError("Failed to load PR info from \(prInfoUrl) after \(maxAttempts) attempts: \(error)")
throw GenericError("\(messagePrefix) after \(maxAttempts) attempts: \(error)")
}
let delaySeconds = UInt64(1 << (attempt - 1))
let delaySeconds = UInt64(5 << (attempt - 1))
print(
"Failed to load PR info from \(prInfoUrl) (attempt \(attempt) of \(maxAttempts)): \(error). Retrying in \(delaySeconds)s..."
"\(messagePrefix) with error\n\n\(error)\n\nRetrying in \(delaySeconds) seconds..."
)
try await Task.sleep(for: .seconds(delaySeconds))
attempt += 1
Expand Down
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