refactor<*>: rewrite all with AvaloniaUI

src/Commands/QuerySubmodules.cs

@@ -0,0 +1,27 @@
+using System.Collections.Generic;
+using System.Text.RegularExpressions;
+
+namespace SourceGit.Commands {
+    public class QuerySubmodules : Command {
+        private readonly Regex REG_FORMAT = new Regex(@"^[\-\+ ][0-9a-f]+\s(.*)\s\(.*\)$");
+
+        public QuerySubmodules(string repo) {
+            WorkingDirectory = repo;
+            Context = repo;
+            Args = "submodule status";
+        }
+
+        public List<string> Result() {
+            Exec();
+            return _submodules;
+        }
+
+        protected override void OnReadline(string line) {
+            var match = REG_FORMAT.Match(line);
+            if (!match.Success) return;
+            _submodules.Add(match.Groups[1].Value);
+        }
+
+        private List<string> _submodules = new List<string>();
+    }
+}