wip

Sources/git-version/UpdateCommand.swift

@@ -0,0 +1,66 @@
+import ArgumentParser
+import Foundation
+import GitVersion
+import ShellClient
+
+extension GitVersionCommand {
+
+  struct Update: ParsableCommand {
+    static var configuration: CommandConfiguration = .init(
+      abstract: "Updates a version string to the git tag or git sha."
+    )
+
+    @OptionGroup var shared: SharedOptions
+
+    @Option(
+      name: .customLong("git-directory"),
+      help: "The git directory for the version."
+    )
+    var gitDirectory: String? = nil
+    
+    func run() throws {
+      @Dependency(\.logger) var logger: Logger
+      @Dependency(\.fileClient) var fileClient: FileClient
+      @Dependency(\.gitVersionClient) var gitVersion
+      @Dependency(\.shellClient) var shell
+
+      let targetUrl = parseTarget(shared.target)
+      let fileUrl = targetUrl.appendingPathComponent(shared.fileName)
+      let fileString = fileUrl.fileString()
+
+//      guard FileManager.default.fileExists(atPath: fileUrl.absoluteString) else {
+//        logger.info("Version file does not exist.")
+//        throw UpdateError.versionFileDoesNotExist(path: fileString)
+//      }
+
+      let currentVersion = try gitVersion.currentVersion()
+      let cwd = FileManager.default.currentDirectoryPath
+      logger.info("CWD: \(cwd)")
+      logger.info("Git version: \(currentVersion)")
+
+      var updatedContents: String = ""
+      try withDependencies({
+        $0.logger.logLevel = .debug
+      }, operation: {
+        try shell.replacingNilWithVersionString(
+          in: fileString
+//          from: gitDirectory
+        ) {
+          updatedContents = $0
+        }
+      })
+
+      if !shared.dryRun {
+        try fileClient.write(string: updatedContents, to: fileUrl)
+        logger.info("Updated version file: \(fileString)")
+      } else {
+        logger.info("Would update file contents to:")
+        logger.info("\(updatedContents)")
+      }
+    }
+  }
+}
+
+fileprivate enum UpdateError: Error {
+  case versionFileDoesNotExist(path: String)
+}