1.x: Add version marker modules (#66)

* 1.x: Add version marker modules

* Update Package.swift

Author: stephencelis

Package.swift

@@ -30,6 +30,7 @@ let package = Package(
     .target(
       name: "Sharing",
       dependencies: [
+        "Sharing1",
         .product(name: "CombineSchedulers", package: "combine-schedulers"),
         .product(name: "CustomDump", package: "swift-custom-dump"),
         .product(name: "ConcurrencyExtras", package: "swift-concurrency-extras"),
@@ -42,5 +43,9 @@ let package = Package(
         .process("PrivacyInfo.xcprivacy")
       ]
     ),
+    .target(
+      name: "Sharing1",
+      path: "Sources/VersionMarkerModules/Sharing1"
+    ),
   ]
 )

[email protected]

@@ -30,6 +30,7 @@ let package = Package(
     .target(
       name: "Sharing",
       dependencies: [
+        "Sharing1",
         .product(name: "CombineSchedulers", package: "combine-schedulers"),
         .product(name: "CustomDump", package: "swift-custom-dump"),
         .product(name: "ConcurrencyExtras", package: "swift-concurrency-extras"),
@@ -50,6 +51,10 @@ let package = Package(
       ],
       exclude: ["Sharing.xctestplan"]
     ),
+    .target(
+      name: "Sharing1",
+      path: "Sources/VersionMarkerModules/Sharing1"
+    ),
   ],
   swiftLanguageModes: [.v6]
 )

Sources/VersionMarkerModules/Sharing1/Empty.swift

@@ -0,0 +1,3 @@
+// The 'Sharing1' module is intentionally empty.
+//
+// It serves as an indicator which version of swift-sharing a package is building against.