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tart create --from-ipsw: do a HEAD instead of a GET first (#599)

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This commit is contained in:
Nikolay Edigaryev
2023-09-14 17:16:08 +00:00
committed by GitHub
parent d4d3852745
commit 27cadc3f3b
1 changed files with 6 additions and 2 deletions
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Sources/tart/VM.swift
+6 -2
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@@ -71,9 +71,11 @@ class VM: NSObject, VZVirtualMachineDelegate, ObservableObject {
static func retrieveIPSW(remoteURL: URL) async throws -> URL {
// Check if we already have this IPSW in cache
let (channel, response) = try await Fetcher.fetch(URLRequest(url: remoteURL), viaFile: true)
var headRequest = URLRequest(url: remoteURL)
headRequest.httpMethod = "HEAD"
let (_, headResponse) = try await Fetcher.fetch(headRequest, viaFile: false)
if let hash = response.value(forHTTPHeaderField: "x-amz-meta-digest-sha256") {
if let hash = headResponse.value(forHTTPHeaderField: "x-amz-meta-digest-sha256") {
let ipswLocation = try IPSWCache().locationFor(fileName: "sha256:\(hash).ipsw")
if FileManager.default.fileExists(atPath: ipswLocation.path) {
@@ -87,6 +89,8 @@ class VM: NSObject, VZVirtualMachineDelegate, ObservableObject {
// Download the IPSW
defaultLogger.appendNewLine("Fetching \(remoteURL.lastPathComponent)...")
let (channel, response) = try await Fetcher.fetch(URLRequest(url: remoteURL), viaFile: true)
let progress = Progress(totalUnitCount: response.expectedContentLength)
ProgressObserver(progress).log(defaultLogger)