[Utility] Bump SwiftPM version to 5.1

<rdar://problem/50339646>

Author: aciidgh

Sources/PackageLoading/ToolsVersionLoader.swift

@@ -64,7 +64,7 @@ extension Manifest {
         })
 
         let regularManifest = packagePath.appending(component: filename)
-        let toolsVersionLoader = ToolsVersionLoader()
+        let toolsVersionLoader = ToolsVersionLoader(currentToolsVersion: currentToolsVersion)
 
         // Find the version-specific manifest that statisfies the current tools version.
         if let versionSpecificCandidate = versionSpecificManifests.keys.sorted(by: >).first(where: { $0 <= currentToolsVersion }) {

Sources/SPMUtility/Versioning.swift

@@ -74,7 +74,7 @@ public struct Versioning {
 
     /// The current version of the package manager.
     public static let currentVersion = SwiftVersion(
-        version: (5, 0, 0),
+        version: (5, 1, 0),
         isDevelopment: false,
         buildIdentifier: getBuildIdentifier())
 

Tests/FunctionalTests/ToolsVersionTests.swift

@@ -103,7 +103,7 @@ class ToolsVersionTests: XCTestCase {
                 _ = try SwiftPMProduct.SwiftBuild.execute([], packagePath: primaryPath)
                 XCTFail()
             } catch SwiftPMProductError.executionFailure(_, _, let stderr) {
-                XCTAssert(stderr.contains("is using Swift tools version 10000.1.0 but the installed version is 5.0.0"), stderr)
+                XCTAssert(stderr.contains("is using Swift tools version 10000.1.0 but the installed version is \(ToolsVersion.currentToolsVersion)"), stderr)
             }
 
             // Write the manifest with incompatible sources.
@@ -124,7 +124,7 @@ class ToolsVersionTests: XCTestCase {
                 _ = try SwiftPMProduct.SwiftBuild.execute([], packagePath: primaryPath)
                 XCTFail()
             } catch SwiftPMProductError.executionFailure(_, _, let stderr) {
-                XCTAssertTrue(stderr.contains("package 'Primary' requires minimum Swift language version 1000 which is not supported by the current tools version (5.0.0)"), stderr)
+                XCTAssertTrue(stderr.contains("package 'Primary' requires minimum Swift language version 1000 which is not supported by the current tools version (\(ToolsVersion.currentToolsVersion))"), stderr)
             }
 
              try fs.writeFileContents(primaryPath.appending(component: "Package.swift")) {

Tests/PackageLoadingTests/PackageBuilderTests.swift

@@ -1037,7 +1037,7 @@ class PackageBuilderTests: XCTestCase {
         manifest = createManifest(
             swiftVersions: [SwiftLanguageVersion(string: "6")!, SwiftLanguageVersion(string: "7")!])
         PackageBuilderTester(manifest, in: fs) { result in
-            result.checkDiagnostic("package \'pkg\' requires minimum Swift language version 6 which is not supported by the current tools version (5.0.0)")
+            result.checkDiagnostic("package \'pkg\' requires minimum Swift language version 6 which is not supported by the current tools version (\(ToolsVersion.currentToolsVersion))")
         }
     }
 

Tests/PackageLoadingTests/ToolsVersionLoaderTests.swift

@@ -156,17 +156,17 @@ class ToolsVersionLoaderTests: XCTestCase {
 
         try fs.writeFileContents(root.appending(component: "Package.swift"), bytes: "// swift-tools-version:1.0.0\n")
         try fs.writeFileContents(root.appending(component: "[email protected]"), bytes: "// swift-tools-version:3.4.5\n")
-        try fs.writeFileContents(root.appending(component: "Package@swift-5.1.swift"), bytes: "// swift-tools-version:3.4.6\n")
-        try fs.writeFileContents(root.appending(component: "Package@swift-5.2.swift"), bytes: "// swift-tools-version:3.4.7\n")
-        try fs.writeFileContents(root.appending(component: "Package@swift-5.3.swift"), bytes: "// swift-tools-version:3.4.8\n")
+        try fs.writeFileContents(root.appending(component: "Package@swift-15.1.swift"), bytes: "// swift-tools-version:3.4.6\n")
+        try fs.writeFileContents(root.appending(component: "Package@swift-15.2.swift"), bytes: "// swift-tools-version:3.4.7\n")
+        try fs.writeFileContents(root.appending(component: "Package@swift-15.3.swift"), bytes: "// swift-tools-version:3.4.8\n")
 
         do {
-            let version = try ToolsVersionLoader(currentToolsVersion: ToolsVersion(version: "5.1.1")).load(at: root, fileSystem: fs)
+            let version = try ToolsVersionLoader(currentToolsVersion: ToolsVersion(version: "15.1.1")).load(at: root, fileSystem: fs)
             XCTAssertEqual(version.description, "3.4.6")
         }
 
         do {
-            let version = try ToolsVersionLoader(currentToolsVersion: ToolsVersion(version: "5.2.5")).load(at: root, fileSystem: fs)
+            let version = try ToolsVersionLoader(currentToolsVersion: ToolsVersion(version: "15.2.5")).load(at: root, fileSystem: fs)
             XCTAssertEqual(version.description, "3.4.7")
         }
 
@@ -176,7 +176,7 @@ class ToolsVersionLoaderTests: XCTestCase {
         }
 
         do {
-            let version = try ToolsVersionLoader(currentToolsVersion: ToolsVersion(version: "5.3.0")).load(at: root, fileSystem: fs)
+            let version = try ToolsVersionLoader(currentToolsVersion: ToolsVersion(version: "15.3.0")).load(at: root, fileSystem: fs)
             XCTAssertEqual(version.description, "3.4.8")
         }
     }