enhance: improve commit and stash parsing time

src/Commands/QueryCommits.cs

@@ -5,130 +5,82 @@ namespace SourceGit.Commands
 {
     public class QueryCommits : Command
     {
-        private const string GPGSIG_START = "gpgsig -----BEGIN ";
-        private const string GPGSIG_END = " -----END ";
-
-        private readonly List<Models.Commit> commits = new List<Models.Commit>();
-        private Models.Commit current = null;
-        private bool isSkipingGpgsig = false;
-        private bool isHeadFounded = false;
-        private readonly bool findFirstMerged = true;
-
         public QueryCommits(string repo, string limits, bool needFindHead = true)
         {
+            _endOfBodyToken = $"----- END OF BODY {Guid.NewGuid()} -----";
+
             WorkingDirectory = repo;
             Context = repo;
-            Args = "log --date-order --decorate=full --pretty=raw " + limits;
+            Args = $"log --date-order --no-show-signature --decorate=full --pretty=format:\"%H%n%P%n%D%n%aN±%aE%n%at%n%cN±%cE%n%ct%n%B%n{_endOfBodyToken}\" " + limits;
-            findFirstMerged = needFindHead;
+            _findFirstMerged = needFindHead;
         }
 
         public List<Models.Commit> Result()
         {
             Exec();
 
-            if (current != null)
+            if (_findFirstMerged && !_isHeadFounded && _commits.Count > 0)
-            {
-                current.Message = current.Message.Trim();
-                commits.Add(current);
-            }
-
-            if (findFirstMerged && !isHeadFounded && commits.Count > 0)
-            {
                 MarkFirstMerged();
-            }
 
-            return commits;
+            return _commits;
         }
 
         protected override void OnReadline(string line)
         {
-            if (isSkipingGpgsig)
+            switch (_nextPartIdx)
             {
-                if (line.StartsWith(GPGSIG_END, StringComparison.Ordinal))
+                case 0:
-                    isSkipingGpgsig = false;
+                    _current = new Models.Commit() { SHA = line };
-                return;
+                    _commits.Add(_current);
-            }
+                    break;
-            else if (line.StartsWith(GPGSIG_START, StringComparison.Ordinal))
+                case 1:
+                    if (!string.IsNullOrEmpty(line))
+                        _current.Parents.AddRange(line.Split(' ', StringSplitOptions.RemoveEmptyEntries));
+                    break;
+                case 2:
+                    if (!string.IsNullOrEmpty(line))
+                        ParseDecorators(line);
+                    break;
+                case 3:
+                    _current.Author = Models.User.FindOrAdd(line);
+                    break;
+                case 4:
+                    _current.AuthorTime = ulong.Parse(line);
+                    break;
+                case 5:
+                    _current.Committer = Models.User.FindOrAdd(line);
+                    break;
+                case 6:
+                    _current.CommitterTime = ulong.Parse(line);
+                    break;
+                default:
+                    if (line.Equals(_endOfBodyToken, StringComparison.Ordinal))
                     {
-                isSkipingGpgsig = true;
+                        _nextPartIdx = 0;
-                return;
+                        if (!string.IsNullOrEmpty(_current.Message)) _current.Message = _current.Message.Trim();
-            }
-
-            if (line.StartsWith("commit ", StringComparison.Ordinal))
-            {
-                if (current != null)
-                {
-                    current.Message = current.Message.Trim();
-                    commits.Add(current);
-                }
-
-                current = new Models.Commit();
-                line = line.Substring(7);
-
-                var decoratorStart = line.IndexOf('(', StringComparison.Ordinal);
-                if (decoratorStart < 0)
-                {
-                    current.SHA = line.Trim();
                     }
                     else
                     {
-                    current.SHA = line.Substring(0, decoratorStart).Trim();
+                        if (string.IsNullOrEmpty(_current.Subject))
-                    current.IsMerged = ParseDecorators(current.Decorators, line.Substring(decoratorStart + 1));
+                            _current.Subject = line;
-                    if (!isHeadFounded)
-                        isHeadFounded = current.IsMerged;
-                }
-
-                return;
-            }
-
-            if (current == null)
-                return;
-
-            if (line.StartsWith("tree ", StringComparison.Ordinal))
-            {
-                return;
-            }
-            else if (line.StartsWith("parent ", StringComparison.Ordinal))
-            {
-                current.Parents.Add(line.Substring("parent ".Length));
-            }
-            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.AuthorTime = time;
-            }
-            else if (line.StartsWith("committer ", StringComparison.Ordinal))
-            {
-                Models.User user = Models.User.Invalid;
-                ulong time = 0;
-                Models.Commit.ParseUserAndTime(line.Substring(10), ref user, ref time);
-                current.Committer = user;
-                current.CommitterTime = time;
-            }
-            else if (string.IsNullOrEmpty(current.Subject))
-            {
-                current.Subject = line.Trim();
-            }
                         else
-            {
+                            _current.Message += (line + "\n");
-                current.Message += (line.Trim() + "\n");
                     }
+                    return;
             }
 
-        private bool ParseDecorators(List<Models.Decorator> decorators, string data)
+            _nextPartIdx++;
-        {
+        }
-            bool isHeadOfCurrent = false;
 
-            var subs = data.Split(new char[] { ',', ')', '(' }, StringSplitOptions.RemoveEmptyEntries);
+        private void ParseDecorators(string data)
+        {
+            var subs = data.Split(',', StringSplitOptions.RemoveEmptyEntries);
             foreach (var sub in subs)
             {
                 var d = sub.Trim();
                 if (d.StartsWith("tag: refs/tags/", StringComparison.Ordinal))
                 {
-                    decorators.Add(new Models.Decorator()
+                    _current.Decorators.Add(new Models.Decorator()
                     {
                         Type = Models.DecoratorType.Tag,
                         Name = d.Substring(15).Trim(),
@@ -140,8 +92,8 @@ namespace SourceGit.Commands
                 }
                 else if (d.StartsWith("HEAD -> refs/heads/", StringComparison.Ordinal))
                 {
-                    isHeadOfCurrent = true;
+                    _current.IsMerged = true;
-                    decorators.Add(new Models.Decorator()
+                    _current.Decorators.Add(new Models.Decorator()
                     {
                         Type = Models.DecoratorType.CurrentBranchHead,
                         Name = d.Substring(19).Trim(),
@@ -149,8 +101,8 @@ namespace SourceGit.Commands
                 }
                 else if (d.Equals("HEAD"))
                 {
-                    isHeadOfCurrent = true;
+                    _current.IsMerged = true;
-                    decorators.Add(new Models.Decorator()
+                    _current.Decorators.Add(new Models.Decorator()
                     {
                         Type = Models.DecoratorType.CurrentCommitHead,
                         Name = d.Trim(),
@@ -158,7 +110,7 @@ namespace SourceGit.Commands
                 }
                 else if (d.StartsWith("refs/heads/", StringComparison.Ordinal))
                 {
-                    decorators.Add(new Models.Decorator()
+                    _current.Decorators.Add(new Models.Decorator()
                     {
                         Type = Models.DecoratorType.LocalBranchHead,
                         Name = d.Substring(11).Trim(),
@@ -166,7 +118,7 @@ namespace SourceGit.Commands
                 }
                 else if (d.StartsWith("refs/remotes/", StringComparison.Ordinal))
                 {
-                    decorators.Add(new Models.Decorator()
+                    _current.Decorators.Add(new Models.Decorator()
                     {
                         Type = Models.DecoratorType.RemoteBranchHead,
                         Name = d.Substring(13).Trim(),
@@ -174,7 +126,7 @@ namespace SourceGit.Commands
                 }
             }
 
-            decorators.Sort((l, r) =>
+            _current.Decorators.Sort((l, r) =>
             {
                 if (l.Type != r.Type)
                 {
@@ -186,12 +138,13 @@ namespace SourceGit.Commands
                 }
             });
 
-            return isHeadOfCurrent;
+            if (_current.IsMerged && !_isHeadFounded)
+                _isHeadFounded = true;
         }
 
         private void MarkFirstMerged()
         {
-            Args = $"log --since=\"{commits[commits.Count - 1].CommitterTimeStr}\" --format=\"%H\"";
+            Args = $"log --since=\"{_commits[_commits.Count - 1].CommitterTimeStr}\" --format=\"%H\"";
 
             var rs = ReadToEnd();
             var shas = rs.StdOut.Split(new char[] { '\n' }, StringSplitOptions.RemoveEmptyEntries);
@@ -202,7 +155,7 @@ namespace SourceGit.Commands
             foreach (var sha in shas)
                 set.Add(sha);
 
-            foreach (var c in commits)
+            foreach (var c in _commits)
             {
                 if (set.Contains(c.SHA))
                 {
@@ -211,5 +164,12 @@ namespace SourceGit.Commands
                 }
             }
         }
+
+        private string _endOfBodyToken = string.Empty;
+        private List<Models.Commit> _commits = new List<Models.Commit>();
+        private Models.Commit _current = null;
+        private bool _isHeadFounded = false;
+        private readonly bool _findFirstMerged = true;
+        private int _nextPartIdx = 0;
     }
 }

src/Commands/QuerySingleCommit.cs

@@ -1,100 +1,57 @@
 using System;
 using System.Collections.Generic;
+using System.Text;
 
 namespace SourceGit.Commands
 {
     public class QuerySingleCommit : Command
     {
-        private const string GPGSIG_START = "gpgsig -----BEGIN ";
-        private const string GPGSIG_END = " -----END ";
-
         public QuerySingleCommit(string repo, string sha) {
             WorkingDirectory = repo;
             Context = repo;
-            Args = $"show --pretty=raw --decorate=full -s {sha}";
+            Args = $"show --no-show-signature --decorate=full --pretty=format:%H%n%P%n%D%n%aN±%aE%n%at%n%cN±%cE%n%ct%n%B -s {sha}";
         }
 
         public Models.Commit Result()
         {
-            var succ = Exec();
+            var rs = ReadToEnd();
-            if (!succ)
+            if (rs.IsSuccess && !string.IsNullOrEmpty(rs.StdOut))
+            {
+                var commit = new Models.Commit();
+                var lines = rs.StdOut.Split('\n');
+                if (lines.Length < 8) 
                     return null;
 
-            _commit.Message.Trim();
+                commit.SHA = lines[0];
-            return _commit;
+                if (!string.IsNullOrEmpty(lines[1]))
+                    commit.Parents.AddRange(lines[1].Split(' ', StringSplitOptions.RemoveEmptyEntries));
+                if (!string.IsNullOrEmpty(lines[2]))
+                    commit.IsMerged = ParseDecorators(commit.Decorators, lines[2]);
+                commit.Author = Models.User.FindOrAdd(lines[3]);
+                commit.AuthorTime = ulong.Parse(lines[4]);
+                commit.Committer = Models.User.FindOrAdd(lines[5]);
+                commit.CommitterTime = ulong.Parse(lines[6]);
+                commit.Subject = lines[7];
+
+                if (lines.Length > 8)
+                {
+                    StringBuilder builder = new StringBuilder();
+                    for (int i = 8; i < lines.Length; i++)
+                        builder.Append(lines[i]);
+                    commit.Message = builder.ToString();
                 }
 
-        protected override void OnReadline(string line)
+                return commit;
-        {
-            if (isSkipingGpgsig)
-            {
-                if (line.StartsWith(GPGSIG_END, StringComparison.Ordinal))
-                    isSkipingGpgsig = false;
-                return;
-            }
-            else if (line.StartsWith(GPGSIG_START, StringComparison.Ordinal))
-            {
-                isSkipingGpgsig = true;
-                return;
             }
 
-            if (line.StartsWith("commit ", StringComparison.Ordinal))
+            return null;
-            {
-                line = line.Substring(7);
-
-                var decoratorStart = line.IndexOf('(', StringComparison.Ordinal);
-                if (decoratorStart < 0)
-                {
-                    _commit.SHA = line.Trim();
-                }
-                else
-                {
-                    _commit.SHA = line.Substring(0, decoratorStart).Trim();
-                    ParseDecorators(_commit.Decorators, line.Substring(decoratorStart + 1));
-                }
-
-                return;
-            }
-
-            if (line.StartsWith("tree ", StringComparison.Ordinal))
-            {
-                return;
-            }
-            else if (line.StartsWith("parent ", StringComparison.Ordinal))
-            {
-                _commit.Parents.Add(line.Substring("parent ".Length));
-            }
-            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);
-                _commit.Author = user;
-                _commit.AuthorTime = time;
-            }
-            else if (line.StartsWith("committer ", StringComparison.Ordinal))
-            {
-                Models.User user = Models.User.Invalid;
-                ulong time = 0;
-                Models.Commit.ParseUserAndTime(line.Substring(10), ref user, ref time);
-                _commit.Committer = user;
-                _commit.CommitterTime = time;
-            }
-            else if (string.IsNullOrEmpty(_commit.Subject))
-            {
-                _commit.Subject = line.Trim();
-            }
-            else
-            {
-                _commit.Message += (line.Trim() + "\n");
-            }
         }
 
         private bool ParseDecorators(List<Models.Decorator> decorators, string data)
         {
             bool isHeadOfCurrent = false;
 
-            var subs = data.Split(new char[] { ',', ')', '(' }, StringSplitOptions.RemoveEmptyEntries);
+            var subs = data.Split(',', StringSplitOptions.RemoveEmptyEntries);
             foreach (var sub in subs)
             {
                 var d = sub.Trim();
@@ -160,8 +117,5 @@ namespace SourceGit.Commands
 
             return isHeadOfCurrent;
         }
-
-        private Models.Commit _commit = new Models.Commit();
-        private bool isSkipingGpgsig = false;
     }
 }

src/Commands/QueryStashes.cs

@@ -1,64 +1,48 @@
-using System;
+using System.Collections.Generic;
-using System.Collections.Generic;
-using System.Text.RegularExpressions;
 
 namespace SourceGit.Commands
 {
-    public partial class QueryStashes : Command
+    public 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";
+            Args = "stash list --pretty=format:%H%n%ct%n%gd%n%s";
         }
 
         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))
+            switch (_nextLineIdx)
             {
-                if (_current != null && !string.IsNullOrEmpty(_current.Name))
+                case 0:
+                    _current = new Models.Stash() { SHA = line };
                     _stashes.Add(_current);
-                _current = new Models.Stash() { SHA = line.Substring(7, 8) };
+                    break;
-                return;
+                case 1:
+                    _current.Time = ulong.Parse(line);
+                    break;
+                case 2:
+                    _current.Name = line;
+                    break;
+                case 3:
+                    _current.Message = line;
+                    break;
             }
 
-            if (_current == null)
+            _nextLineIdx++;
-                return;
+            if (_nextLineIdx > 3)
-
+                _nextLineIdx = 0;
-            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;
+        private int _nextLineIdx = 0;
     }
 }

src/Models/Commit.cs

@@ -40,17 +40,6 @@ namespace SourceGit.Models
             get => string.IsNullOrWhiteSpace(Message) ? Subject : $"{Subject}\n\n{Message}";
         }
 
-        public static void ParseUserAndTime(string data, ref User user, ref ulong time)
-        {
-            var userEndIdx = data.IndexOf('>', StringComparison.Ordinal);
-            if (userEndIdx < 0)
-                return;
-
-            var timeEndIdx = data.IndexOf(' ', userEndIdx + 2);
-            user = User.FindOrAdd(data.Substring(0, userEndIdx));
-            time = timeEndIdx < 0 ? 0 : ulong.Parse(data.Substring(userEndIdx + 2, timeEndIdx - userEndIdx - 2));
-        }
-
         private static readonly DateTime _utcStart = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc).ToLocalTime();
     }
 }

src/Models/Stash.cs

@@ -8,7 +8,6 @@ namespace SourceGit.Models
 
         public string Name { get; set; } = "";
         public string SHA { get; set; } = "";
-        public User Author { get; set; } = User.Invalid;
         public ulong Time { get; set; } = 0;
         public string Message { get; set; } = "";
 

src/Models/User.cs

@@ -1,4 +1,5 @@
-using System.Collections.Concurrent;
+using System;
+using System.Collections.Concurrent;
 
 namespace SourceGit.Models
 {
@@ -27,8 +28,8 @@ namespace SourceGit.Models
         {
             return _caches.GetOrAdd(data, key =>
             {
-                var nameEndIdx = key.IndexOf('<', System.StringComparison.Ordinal);
+                var nameEndIdx = key.IndexOf('±', StringComparison.Ordinal);
-                var name = nameEndIdx >= 2 ? key.Substring(0, nameEndIdx - 1) : string.Empty;
+                var name = nameEndIdx > 0 ? key.Substring(0, nameEndIdx) : string.Empty;
                 var email = key.Substring(nameEndIdx + 1);
 
                 return new User() { Name = name, Email = email };