refactor<*>: rewrite all codes...

src/Commands/Submodule.cs

@@ -0,0 +1,44 @@
+using System;
+
+namespace SourceGit.Commands {
+    /// <summary>
+    ///     子模块
+    /// </summary>
+    public class Submodule : Command {
+        private Action<string> onProgress = null;
+
+        public Submodule(string cwd) {
+            Cwd = cwd;
+        }
+
+        public bool Add(string url, string path, bool recursive, Action<string> handler) {
+            Args = $"submodule add {url} {path}";
+            onProgress = handler;
+            if (!Exec()) return false;
+
+            if (recursive) {
+                Args = $"submodule update --init --recursive -- {path}";
+                return Exec();
+            } else {
+                return true;
+            }
+        }
+
+        public bool Update() {
+            Args = $"submodule update --rebase --remote";
+            return Exec();
+        }
+
+        public bool Delete(string path) {
+            Args = $"submodule deinit -f {path}";
+            if (!Exec()) return false;
+
+            Args = $"rm -rf {path}";
+            return Exec();
+        }
+
+        public override void OnReadline(string line) {
+            onProgress?.Invoke(line);
+        }
+    }
+}