project: reorganize the structure of the project.

* remove dotnet-tool.json because the project does not rely on any dotnet tools.
* remove Directory.Build.props because the solution has only one project.
* move src/SourceGit to src. It's not needed to put all sources into a subfolder of src since there's only one project.

src/Commands/QueryStashes.cs

@@ -0,0 +1,64 @@
+using System;
+using System.Collections.Generic;
+using System.Text.RegularExpressions;
+
+namespace SourceGit.Commands
+{
+    public partial class QueryStashes : Command
+    {
+
+        [GeneratedRegex(@"^Reflog: refs/(stash@\{\d+\}).*$")]
+        private static partial Regex REG_STASH();
+
+        public QueryStashes(string repo)
+        {
+            WorkingDirectory = repo;
+            Context = repo;
+            Args = "stash list --pretty=raw";
+        }
+
+        public List<Models.Stash> Result()
+        {
+            Exec();
+            if (_current != null)
+                _stashes.Add(_current);
+            return _stashes;
+        }
+
+        protected override void OnReadline(string line)
+        {
+            if (line.StartsWith("commit ", StringComparison.Ordinal))
+            {
+                if (_current != null && !string.IsNullOrEmpty(_current.Name))
+                    _stashes.Add(_current);
+                _current = new Models.Stash() { SHA = line.Substring(7, 8) };
+                return;
+            }
+
+            if (_current == null)
+                return;
+
+            if (line.StartsWith("Reflog: refs/stash@", StringComparison.Ordinal))
+            {
+                var match = REG_STASH().Match(line);
+                if (match.Success)
+                    _current.Name = match.Groups[1].Value;
+            }
+            else if (line.StartsWith("Reflog message: ", StringComparison.Ordinal))
+            {
+                _current.Message = line.Substring(16);
+            }
+            else if (line.StartsWith("author ", StringComparison.Ordinal))
+            {
+                Models.User user = Models.User.Invalid;
+                ulong time = 0;
+                Models.Commit.ParseUserAndTime(line.Substring(7), ref user, ref time);
+                _current.Author = user;
+                _current.Time = time;
+            }
+        }
+
+        private readonly List<Models.Stash> _stashes = new List<Models.Stash>();
+        private Models.Stash _current = null;
+    }
+}