Add checker class to check if generation of font are required + Split CLIToolCore in multiple file (one by class)

Sources/CLIToolCore/GeneratorChecker.swift

@@ -1,35 +1,12 @@
 //
-//  CLIToolCore.swift
+//  GeneratorChecker.swift
 //  
 //
-//  Created by Thibaut Schmitt on 13/12/2021.
+//  Created by Thibaut Schmitt on 22/12/2021.
 //
 
 import Foundation
 
-public class Shell {
-    
-    @discardableResult
-    public static func shell(_ args: String...) -> (terminationStatus: Int32, output: String?) {
-        let task = Process()
-        task.launchPath = "/usr/bin/env"
-        task.arguments = args
-        
-        let pipe = Pipe()
-        task.standardOutput = pipe
-        task.launch()
-        task.waitUntilExit()
-        
-        let data = pipe.fileHandleForReading.readDataToEndOfFile()
-        
-        guard let output: String = String(data: data, encoding: .utf8) else {
-            return (terminationStatus: task.terminationStatus, output: nil)
-        }
-        
-        return (terminationStatus: task.terminationStatus, output: output)
-    }
-}
-
 public class GeneratorChecker {
     
     /// Return `true` if  inputFile is newer than extensionFile, otherwise `false`

Sources/CLIToolCore/Shell.swift

@@ -0,0 +1,31 @@
+//
+//  File.swift
+//  
+//
+//  Created by Thibaut Schmitt on 22/12/2021.
+//
+
+import Foundation
+
+public class Shell {
+    
+    @discardableResult
+    public static func shell(_ args: String...) -> (terminationStatus: Int32, output: String?) {
+        let task = Process()
+        task.launchPath = "/usr/bin/env"
+        task.arguments = args
+        
+        let pipe = Pipe()
+        task.standardOutput = pipe
+        task.launch()
+        task.waitUntilExit()
+        
+        let data = pipe.fileHandleForReading.readDataToEndOfFile()
+        
+        guard let output: String = String(data: data, encoding: .utf8) else {
+            return (terminationStatus: task.terminationStatus, output: nil)
+        }
+        
+        return (terminationStatus: task.terminationStatus, output: output)
+    }
+}