Add a flag to skip building for Catalyst (#7220)

Author: paulb777

ReleaseTooling/Sources/ZipBuilder/Platform.swift

@@ -24,7 +24,7 @@ enum Platform: CaseIterable {
 
   var platformTargets: [TargetPlatform] {
     switch self {
-    case .iOS: return [.iOSDevice, .iOSSimulator, .catalyst]
+    case .iOS: return [.iOSDevice, .iOSSimulator] + (SkipCatalyst.skip ? [] : [.catalyst])
     case .macOS: return [.macOS]
     case .tvOS: return [.tvOSDevice, .tvOSSimulator]
     }
@@ -59,3 +59,10 @@ class PlatformMinimum {
     minimumTVOSVersion = tvos
   }
 }
+
+class SkipCatalyst {
+  fileprivate static var skip = false
+  static func set() {
+    skip = true
+  }
+}

ReleaseTooling/Sources/ZipBuilder/main.swift

@@ -79,6 +79,12 @@ struct ZipBuilderTool: ParsableCommand {
         help: ArgumentHelp("A flag to indicate keeping (not deleting) the build artifacts."))
   var keepBuildArtifacts: Bool
 
+  /// Flag to skip building the Catalyst slices.
+  @Flag(default: false,
+        inversion: .prefixedNo,
+        help: ArgumentHelp("A flag to indicate keeping (not deleting) the build artifacts."))
+  var skipCatalyst: Bool
+
   /// Flag to run `pod repo update` and `pod cache clean --all`.
   @Flag(default: true,
         inversion: .prefixedNo,
@@ -232,6 +238,11 @@ struct ZipBuilderTool: ParsableCommand {
                                macos: minimumMACOSVersion,
                                tvos: minimumTVOSVersion)
 
+    // Update iOS target platforms if `--skip-catalyst` was specified.
+    if skipCatalyst {
+      SkipCatalyst.set()
+    }
+
     let paths = ZipBuilder.FilesystemPaths(repoDir: repoDir,
                                            buildRoot: buildRoot,
                                            outputDir: outputDir,