chore: update CleanCommand

Sources/CommandLine/Commands/CleanCommand.swift

@@ -1,24 +1,53 @@
 import ArgumentParser
 import Foundation
 import Utils
+import BinaryDependencyManager
 
 struct CleanCommand: ParsableCommand {
 
     static var configuration = CommandConfiguration(commandName: "clean")
 
-    // Path to cache directory
-    @Option(name: .shortAndLong, help: "Path to cache directory")
-    var cacheDirectoryPath: String
+    /// Path to the output directory.
+    ///
+    /// Example:
+    /// ```
+    /// $ binary-dependencies-manager clean --output ./output
+    /// $ binary-dependencies-manager clean -o ./output
+    /// ```
+    @Option(name: [.customLong("output"), .short], help: "Path to the output directory, where downloaded dependencies will be placed")
+    var outputDirectoryPath: String?
 
-    // Path to output directory
-    @Option(name: .shortAndLong, help: "Path to output directory, where downloaded dependencies will be placed")
-    var outputDirectoryPath: String
+    /// Path to the cache directory.
+    ///
+    /// Example:
+    /// ```
+    /// $ binary-dependencies-manager clean --cache ./cache
+    /// ```
+    @Option(name: [.customLong("cache")], help: "Path to the cache directory")
+    var cacheDirectoryPath: String?
+
+    /// Validates a given configuration file.
+    mutating func validate() throws {
+        let configurationReader: BinaryDependenciesConfigurationReader = .init()
+
+        outputDirectoryPath = configurationReader
+            .resolveOutputDirectoryURL(outputDirectoryPath)
+            .filePath
+        cacheDirectoryPath = configurationReader
+            .resolveCacheDirectoryURL(cacheDirectoryPath)
+            .filePath
+    }
 
     func run() throws {
-        Logger.log("#Cleanup# Removing \(outputDirectoryPath)")
-        try? FileManager.default.removeItem(atPath: outputDirectoryPath)
 
-        Logger.log("#Cleanup# Removing \(cacheDirectoryPath)")
-        try? FileManager.default.removeItem(atPath: cacheDirectoryPath)
+        if let outputDirectoryPath {
+            Logger.log("#Cleanup# Removing \(outputDirectoryPath)")
+            try? FileManager.default.removeItem(at: outputDirectoryPath.asFileURL)
+        }
+
+        if let cacheDirectoryPath {
+            Logger.log("#Cleanup# Removing \(cacheDirectoryPath)")
+            try? FileManager.default.removeItem(at: cacheDirectoryPath.asFileURL)
+        }
     }
 }