Make Package.swift valid on Linux

Author: arik-so

ci/LDKSwift/Package.swift

@@ -9,8 +9,13 @@ if let bindingsBase = getenv("LDK_C_BINDINGS_BASE") {
     cBindingsBase = String(utf8String: bindingsBase)!
 }
 
-let linkerSettings: [PackageDescription.LinkerSetting] = [
-    .linkedLibrary(cBindingsBase + "/lightning-c-bindings/target/debug/libldk.a")
+var fileExtension = ".dylib"
+#if os(Linux)
+fileExtension = ".a"
+#endif
+
+var linkerSettings: [PackageDescription.LinkerSetting] = [
+    .linkedLibrary("\(cBindingsBase)/lightning-c-bindings/target/debug/libldk\(fileExtension)")
 ]
 
 #if os(Linux)

ci/docker_shell.sh

@@ -10,7 +10,7 @@ LDK_SUBDIRECTORY="$LDK_DIRECTORY/lightning-c-bindings"
 
 if [[ "${MOUNT_CI_FOLDER}" = "true" ]]; then
 	# use for direct ci folder access
-	cp -R bindings/batteries ci/LDKSwift/Sources/LDKSwift
+	# cp -R bindings/batteries ci/LDKSwift/Sources/LDKSwift
 	# docker run --name "swift-generator-shell" -e MOUNTED_CI_FOLDER=true -i -v $PROJECT_DIRECTORY/ci:/ci -v $LDK_DIRECTORY:/ldk-c-bindings --rm -t swift-generation-ci /bin/bash
 	docker run --name "swift-generator-shell" -e MOUNTED_CI_FOLDER=true -i -v $PROJECT_DIRECTORY/ci:/ci -v $LDK_DIRECTORY:/ldk-c-bindings -v $PROJECT_DIRECTORY/src:/src --rm -t swift-generation-ci /bin/bash
 elif [ "${MOUNT_CI_FOLDER}" = "false" ]; then