feature: add worktree support (#205)

src/Commands/Worktree.cs

@@ -0,0 +1,124 @@
+using System;
+using System.Collections.Generic;
+using System.Text.RegularExpressions;
+
+namespace SourceGit.Commands
+{
+    public partial class Worktree : Command
+    {
+        [GeneratedRegex(@"^(\w)\s(\d+)$")]
+        private static partial Regex REG_AHEAD_BEHIND();
+
+        public Worktree(string repo)
+        {
+            WorkingDirectory = repo;
+            Context = repo;
+        }
+
+        public List<Models.Worktree> List()
+        {
+            Args = "worktree list --porcelain";
+
+            var rs = ReadToEnd();
+            var worktrees = new List<Models.Worktree>();
+            var last = null as Models.Worktree;
+            if (rs.IsSuccess)
+            {
+                var lines = rs.StdOut.Split(new char[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries);
+                foreach (var line in lines)
+                {
+                    if (line.StartsWith("worktree ", StringComparison.Ordinal))
+                    {
+                        last = new Models.Worktree() { FullPath = line.Substring(9).Trim() };
+                        worktrees.Add(last);
+                    }
+                    else if (line.StartsWith("bare", StringComparison.Ordinal))
+                    {
+                        last.IsBare = true;
+                    }
+                    else if (line.StartsWith("HEAD ", StringComparison.Ordinal))
+                    {
+                        last.Head = line.Substring(5).Trim();
+                    }
+                    else if (line.StartsWith("branch ", StringComparison.Ordinal))
+                    {
+                        last.Branch = line.Substring(7).Trim();
+                    }
+                    else if (line.StartsWith("detached", StringComparison.Ordinal))
+                    {
+                        last.IsDetached = true;
+                    }
+                    else if (line.StartsWith("locked", StringComparison.Ordinal))
+                    {
+                        last.IsLocked = true;
+                    }
+                    else if (line.StartsWith("prunable", StringComparison.Ordinal))
+                    {
+                        last.IsPrunable = true;
+                    }
+                }
+            }
+
+            return worktrees;
+        }
+
+        public bool Add(string fullpath, string name, string tracking, Action<string> outputHandler)
+        {
+            Args = "worktree add ";
+
+            if (!string.IsNullOrEmpty(tracking))
+                Args += "--track ";
+
+            if (!string.IsNullOrEmpty(name))
+                Args += $"-b {name} ";
+
+            Args += $"\"{fullpath}\" ";
+
+            if (!string.IsNullOrEmpty(tracking))
+                Args += tracking;
+
+            _outputHandler = outputHandler;
+            return Exec();
+        }
+
+        public bool Prune(Action<string> outputHandler)
+        {
+            Args = "worktree prune -v";
+            _outputHandler = outputHandler;
+            return Exec();
+        }
+
+        public bool Lock(string fullpath, string reason)
+        {
+            if (string.IsNullOrEmpty(reason))
+                Args = $"worktree lock \"{fullpath}\"";
+            else
+                Args = $"worktree lock --reason \"{reason}\" \"{fullpath}\"";
+            return Exec();
+        }
+
+        public bool Unlock(string fullpath)
+        {
+            Args = $"worktree unlock \"{fullpath}\"";
+            return Exec();
+        }
+
+        public bool Remove(string fullpath, bool force, Action<string> outputHandler)
+        {
+            if (force)
+                Args = $"worktree remove -f \"{fullpath}\"";
+            else
+                Args = $"worktree remove \"{fullpath}\"";
+
+            _outputHandler = outputHandler;
+            return Exec();
+        }
+
+        protected override void OnReadline(string line)
+        {
+            _outputHandler?.Invoke(line);
+        }
+
+        private Action<string> _outputHandler = null;
+    }
+}