Renamed to cli version.

Sources/cli-version/Helpers.swift

@@ -0,0 +1,51 @@
+import ArgumentParser
+import Foundation
+
+func parseTarget(_ target: String) -> URL {
+  let url = URL(fileURLWithPath: target)
+  let urlTest = url
+    .deletingLastPathComponent()
+
+  guard urlTest.lastPathComponent == "Sources" else {
+    return URL(fileURLWithPath: "Sources")
+      .appendingPathComponent(target)
+  }
+  return url
+}
+
+extension URL {
+  func fileString() -> String {
+    self.absoluteString
+      .replacingOccurrences(of: "file://", with: "")
+  }
+}
+
+let optionalTemplate = """
+// Do not set this variable, it is set during the build process.
+let VERSION: String? = nil
+
+"""
+
+let buildTemplate = """
+// Do not set this variable, it is set during the build process.
+let VERSION: String = nil
+
+"""
+
+struct SharedOptions: ParsableArguments {
+
+  @Argument(help: "The target for the version file.")
+  var target: String
+
+  @Option(
+    name: .customLong("filename"),
+    help: "Specify the file name for the version file."
+  )
+  var fileName: String = "Version.swift"
+
+  @Flag(name: .customLong("dry-run"))
+  var dryRun: Bool = false
+
+  @Flag(name: .long, help: "Increase logging level.")
+  var verbose: Bool = false
+}