Transition away from Foundation.URL (#6706)

The parser of `NSURL` is changing in macOS Sonoma and will no longer be compatible with the GitHub-style SSH URLs which means we have to transition back to using our own URL type (which is a wrapper of `String` for now) in order to continue to support SSH URLs.

rdar://112482783

Sources/Basics/CMakeLists.txt

@@ -31,6 +31,7 @@ add_library(Basics
   FileSystem/TemporaryFile.swift
   FileSystem/TSCAdapters.swift
   FileSystem/VFSOverlay.swift
+  SourceControlURL.swift
   HTTPClient/HTTPClient.swift
   HTTPClient/HTTPClientConfiguration.swift
   HTTPClient/HTTPClientError.swift

Sources/Basics/SourceControlURL.swift

@@ -0,0 +1,53 @@
+//===----------------------------------------------------------------------===//
+//
+// This source file is part of the Swift open source project
+//
+// Copyright (c) 2023 Apple Inc. and the Swift project authors
+// Licensed under Apache License v2.0 with Runtime Library Exception
+//
+// See http://swift.org/LICENSE.txt for license information
+// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
+//
+//===----------------------------------------------------------------------===//
+
+import Foundation
+
+public struct SourceControlURL: Codable, Equatable, Hashable, Sendable {
+    private let urlString: String
+
+    public init(stringLiteral: String) {
+        self.urlString = stringLiteral
+    }
+
+    public init(_ urlString: String) {
+        self.urlString = urlString
+    }
+
+    public init(_ url: URL) {
+        self.urlString = url.absoluteString
+    }
+
+    public var absoluteString: String {
+        return self.urlString
+    }
+
+    public var lastPathComponent: String {
+        return (self.urlString as NSString).lastPathComponent
+    }
+
+    public var url: URL? {
+        return URL(string: self.urlString)
+    }
+}
+
+extension SourceControlURL: CustomStringConvertible {
+    public var description: String {
+        return self.urlString
+    }
+}
+
+extension SourceControlURL: ExpressibleByStringInterpolation {
+}
+
+extension SourceControlURL: ExpressibleByStringLiteral {
+}

Sources/PackageCollections/PackageCollections+Validation.swift

@@ -82,7 +82,7 @@ extension PackageCollectionModel.V1 {
 
         // TODO: validate package url?
         private func validate(package: Collection.Package, messages: inout [ValidationMessage]) {
-            let packageID = "\(PackageIdentity(url: package.url).description) (\(package.url.absoluteString))"
+            let packageID = "\(PackageIdentity(url: SourceControlURL(package.url)).description) (\(package.url.absoluteString))"
 
             guard !package.versions.isEmpty else {
                 messages.append(.error("Package \(packageID) does not have any versions.", property: "package.versions"))

Sources/PackageCollections/Providers/GitHubPackageMetadataProvider.swift

@@ -62,7 +62,7 @@ struct GitHubPackageMetadataProvider: PackageMetadataProvider, Closable {
         callback: @escaping (Result<Model.PackageBasicMetadata, Error>, PackageMetadataProviderContext?) -> Void
     ) {
         guard let baseURL = Self.apiURL(location) else {
-            return self.errorCallback(GitHubPackageMetadataProviderError.invalidGitURL(location), apiHost: nil, callback: callback)
+            return self.errorCallback(GitHubPackageMetadataProviderError.invalidSourceControlURL(location), apiHost: nil, callback: callback)
         }
 
         if let cached = try? self.cache?.get(key: identity.description) {
@@ -334,7 +334,7 @@ struct GitHubPackageMetadataProvider: PackageMetadataProvider, Closable {
 }
 
 enum GitHubPackageMetadataProviderError: Error, Equatable {
-    case invalidGitURL(String)
+    case invalidSourceControlURL(String)
     case invalidResponse(URL, String)
     case permissionDenied(URL)
     case invalidAuthToken(URL)

Sources/PackageCollections/Providers/JSONPackageCollectionProvider.swift

@@ -371,7 +371,7 @@ struct JSONPackageCollectionProvider: PackageCollectionProvider {
 
                 // If package identity is set, use that. Otherwise create one from URL.
                 return .init(
-                    identity: package.identity.map { PackageIdentity.plain($0) } ?? PackageIdentity(url: package.url),
+                    identity: package.identity.map { PackageIdentity.plain($0) } ?? PackageIdentity(url: SourceControlURL(package.url)),
                     location: package.url.absoluteString,
                     summary: package.summary,
                     keywords: package.keywords,

Sources/PackageFingerprint/FilePackageFingerprintStorage.swift

@@ -265,15 +265,14 @@ private enum StorageModel {
 
                                 let fingerprintsByContentType = try Dictionary(
                                     throwingUniqueKeysWithValues: fingerprintsForKind.map { _, storedFingerprint in
-                                        guard let originURL = URL(string: storedFingerprint.origin) else {
-                                            throw SerializationError.invalidURL(storedFingerprint.origin)
-                                        }
-
                                         let origin: Fingerprint.Origin
                                         switch kind {
                                         case .sourceControl:
-                                            origin = .sourceControl(originURL)
+                                            origin = .sourceControl(SourceControlURL(storedFingerprint.origin))
                                         case .registry:
+                                            guard let originURL = URL(string: storedFingerprint.origin) else {
+                                                throw SerializationError.invalidURL(storedFingerprint.origin)
+                                            }
                                             origin = .registry(originURL)
                                         }
 

Sources/PackageFingerprint/Model.swift

@@ -12,6 +12,7 @@
 
 import struct Foundation.URL
 
+import Basics
 import PackageModel
 import struct TSCUtility.Version
 
@@ -34,7 +35,7 @@ extension Fingerprint {
     }
 
     public enum Origin: Equatable, CustomStringConvertible {
-        case sourceControl(URL)
+        case sourceControl(SourceControlURL)
         case registry(URL)
 
         public var kind: Fingerprint.Kind {
@@ -46,12 +47,12 @@ extension Fingerprint {
             }
         }
 
-        public var url: URL? {
+        public var url: SourceControlURL? {
             switch self {
             case .sourceControl(let url):
                 return url
             case .registry(let url):
-                return url
+                return SourceControlURL(url.absoluteString)
             }
         }
 

Sources/PackageGraph/DependencyMirrors.swift

@@ -166,10 +166,8 @@ public final class DependencyMirrors: Equatable {
             return PackageIdentity.plain(location)
         } else if let path = try? AbsolutePath(validating: location) {
             return PackageIdentity(path: path)
-        } else if let url = URL(string: location) {
-            return PackageIdentity(url: url)
         } else {
-            throw StringError("invalid location \(location), cannot extract identity")
+            return PackageIdentity(url: SourceControlURL(location))
         }
     }
 }

Sources/PackageGraph/PinsStore.swift

@@ -428,10 +428,8 @@ extension PinsStore.Pin {
         var packageRef: PackageReference
         if let path = try? AbsolutePath(validating: location) {
             packageRef = .localSourceControl(identity: identity, path: path)
-        } else if let url = URL(string: location) {
-            packageRef = .remoteSourceControl(identity: identity, url: url)
         } else {
-            throw StringError("invalid package location \(location)")
+            packageRef = .remoteSourceControl(identity: identity, url: SourceControlURL(location))
         }
         if let newName = pin.package {
             packageRef = packageRef.withName(newName)
@@ -466,10 +464,7 @@ extension PinsStore.Pin {
         case .localSourceControl:
             packageRef = try .localSourceControl(identity: identity, path: AbsolutePath(validating: location))
         case .remoteSourceControl:
-            guard let url = URL(string: location) else {
-                throw StringError("invalid url location: \(location)")
-            }
-            packageRef = .remoteSourceControl(identity: identity, url: url)
+            packageRef = .remoteSourceControl(identity: identity, url: SourceControlURL(location))
         case .registry:
             packageRef = .registry(identity: identity)
         }

Sources/PackageLoading/ManifestJSONParser.swift

@@ -15,6 +15,7 @@ import PackageModel
 
 import struct Basics.AbsolutePath
 import protocol Basics.FileSystem
+import struct Basics.SourceControlURL
 import struct Basics.InternalError
 import struct Basics.RelativePath
 
@@ -237,7 +238,8 @@ enum ManifestJSONParser {
                 requirement: requirement,
                 productFilter: .everything
             )
-        } else if let url = URL(string: location){
+        } else {
+            let url = SourceControlURL(location)
             // in the future this will check with the registries for the identity of the URL
             let identity = try identityResolver.resolveIdentity(for: url)
             return .remoteSourceControl(
@@ -247,8 +249,6 @@ enum ManifestJSONParser {
                 requirement: requirement,
                 productFilter: .everything
             )
-        } else {
-            throw StringError("invalid location: \(location)")
         }
     }
 
@@ -268,8 +268,9 @@ enum ManifestJSONParser {
                 productFilter: .everything
             )
         } else if let url = URL(string: location){
+            let SourceControlURL = SourceControlURL(url)
             // in the future this will check with the registries for the identity of the URL
-            let identity = try identityResolver.resolveIdentity(for: url)
+            let identity = try identityResolver.resolveIdentity(for: SourceControlURL)
             let sourceControlRequirement: PackageDependency.SourceControl.Requirement
             switch requirement {
             case .exact(let value):
@@ -280,7 +281,7 @@ enum ManifestJSONParser {
             return .remoteSourceControl(
                 identity: identity,
                 nameForTargetDependencyResolutionOnly: identity.description,
-                url: url,
+                url: SourceControlURL,
                 requirement: sourceControlRequirement,
                 productFilter: .everything
             )

Sources/PackageLoading/RegistryReleaseMetadataSerialization.swift

@@ -43,7 +43,7 @@ private struct CodableRegistryReleaseMetadata: Codable {
     public let description: String?
     public let licenseURL: URL?
     public let readmeURL: URL?
-    public let scmRepositoryURLs: [URL]?
+    public let scmRepositoryURLs: [SourceControlURL]?
 
     init(_ seed: RegistryReleaseMetadata) {
         switch seed.source {

Sources/PackageMetadata/PackageMetadata.swift

@@ -27,7 +27,7 @@ public struct Package {
     public enum Source {
         case indexAndCollections(collections: [PackageCollectionsModel.CollectionIdentifier], indexes: [URL])
         case registry(url: URL)
-        case sourceControl(url: URL)
+        case sourceControl(url: SourceControlURL)
     }
 
     public struct Resource: Sendable {
@@ -67,7 +67,7 @@ public struct Package {
     // Per version metadata based on the latest version that we include here for convenience.
     public let licenseURL: URL?
     public let readmeURL: URL?
-    public let repositoryURLs: [URL]?
+    public let repositoryURLs: [SourceControlURL]?
     public let resources: [Resource]
     public let author: Author?
     public let description: String?
@@ -82,7 +82,7 @@ public struct Package {
         versions: [Version],
         licenseURL: URL? = nil,
         readmeURL: URL? = nil,
-        repositoryURLs: [URL]?,
+        repositoryURLs: [SourceControlURL]?,
         resources: [Resource],
         author: Author?,
         description: String?,
@@ -133,11 +133,21 @@ public struct PackageSearchClient {
     }
 
     // FIXME: This matches the current implementation, but we may want be smarter about it?
+    private func guessReadMeURL(baseURL: SourceControlURL, defaultBranch: String) -> URL? {
+        if let baseURL = baseURL.url {
+            return guessReadMeURL(baseURL: baseURL, defaultBranch: defaultBranch)
+        } else {
+            return nil
+        }
+    }
+
     private func guessReadMeURL(baseURL: URL, defaultBranch: String) -> URL {
         baseURL.appendingPathComponent("raw").appendingPathComponent(defaultBranch).appendingPathComponent("README.md")
     }
 
-    private func guessReadMeURL(alternateLocations: [URL]?) -> URL? {
+
+
+    private func guessReadMeURL(alternateLocations: [SourceControlURL]?) -> URL? {
         if let alternateURL = alternateLocations?.first {
             // FIXME: This is pretty crude, we should let the registry metadata provide the value instead.
             return guessReadMeURL(baseURL: alternateURL, defaultBranch: "main")
@@ -148,7 +158,7 @@ public struct PackageSearchClient {
     private struct Metadata {
         public let licenseURL: URL?
         public let readmeURL: URL?
-        public let repositoryURLs: [URL]?
+        public let repositoryURLs: [SourceControlURL]?
         public let resources: [Package.Resource]
         public let author: Package.Author?
         public let description: String?
@@ -231,9 +241,7 @@ public struct PackageSearchClient {
         // as a URL or there are any errors during the process, we fall back to searching the configured
         // index or package collections.
         let fetchStandalonePackageByURL = { (error: Error?) in
-            guard let url = URL(string: query) else {
-                return search(error)
-            }
+            let url = SourceControlURL(query)
 
             do {
                 try withTemporaryDirectory(removeTreeOnDeinit: true) { (tempDir: AbsolutePath) in
@@ -303,7 +311,7 @@ public struct PackageSearchClient {
                         self.getVersionMetadata(package: identity, version: version) { result in
                             let licenseURL: URL?
                             let readmeURL: URL?
-                            let repositoryURLs: [URL]?
+                            let repositoryURLs: [SourceControlURL]?
                             let resources: [Package.Resource]
                             let author: Package.Author?
                             let description: String?
@@ -372,7 +380,7 @@ public struct PackageSearchClient {
     }
 
     public func lookupIdentities(
-        scmURL: URL,
+        scmURL: SourceControlURL,
         timeout: DispatchTimeInterval? = .none,
         observabilityScope: ObservabilityScope,
         callbackQueue: DispatchQueue,
@@ -392,7 +400,7 @@ public struct PackageSearchClient {
         timeout: DispatchTimeInterval? = .none,
         observabilityScope: ObservabilityScope,
         callbackQueue: DispatchQueue,
-        completion: @escaping (Result<Set<URL>, Error>) -> Void
+        completion: @escaping (Result<Set<SourceControlURL>, Error>) -> Void
     ) {
         registryClient.getPackageMetadata(
             package: package,

Sources/PackageModel/IdentityResolver.swift

@@ -16,7 +16,7 @@ import Foundation
 // TODO: refactor this when adding registry support
 public protocol IdentityResolver {
     func resolveIdentity(for packageKind: PackageReference.Kind) throws -> PackageIdentity
-    func resolveIdentity(for url: URL) throws -> PackageIdentity
+    func resolveIdentity(for url: SourceControlURL) throws -> PackageIdentity
     func resolveIdentity(for path: AbsolutePath) throws -> PackageIdentity
     func mappedLocation(for location: String) -> String
     func mappedIdentity(for identity: PackageIdentity) throws -> PackageIdentity
@@ -49,25 +49,21 @@ public struct DefaultIdentityResolver: IdentityResolver {
         }
     }
 
-    public func resolveIdentity(for url: URL) throws -> PackageIdentity {
+    public func resolveIdentity(for url: SourceControlURL) throws -> PackageIdentity {
         let location = self.mappedLocation(for: url.absoluteString)
         if let path = try? AbsolutePath(validating: location) {
             return PackageIdentity(path: path)
-        } else if let url = URL(string: location) {
-            return PackageIdentity(url: url)
         } else {
-            throw StringError("invalid mapped location: \(location) for \(url)")
+            return PackageIdentity(url: SourceControlURL(location))
         }
     }
 
     public func resolveIdentity(for path: AbsolutePath) throws -> PackageIdentity {
         let location = self.mappedLocation(for: path.pathString)
         if let path = try? AbsolutePath(validating: location) {
             return PackageIdentity(path: path)
-        } else if let url = URL(string: location) {
-            return PackageIdentity(url: url)
         } else {
-            throw StringError("invalid mapped location: \(location) for \(path)")
+            return PackageIdentity(url: SourceControlURL(location))
         }
     }
 

Sources/PackageModel/Manifest/PackageDependencyDescription.swift

@@ -46,7 +46,7 @@ public enum PackageDependency: Equatable, Hashable, Sendable {
 
         public enum Location: Equatable, Hashable, Sendable {
             case local(AbsolutePath)
-            case remote(URL)
+            case remote(SourceControlURL)
         }
     }
 
@@ -173,7 +173,7 @@ public enum PackageDependency: Equatable, Hashable, Sendable {
 
     public static func remoteSourceControl(identity: PackageIdentity,
                                            nameForTargetDependencyResolutionOnly: String?,
-                                           url: URL,
+                                           url: SourceControlURL,
                                            requirement: SourceControl.Requirement,
                                            productFilter: ProductFilter
     ) -> Self {