feature<AutoFetch>: finish auto fetch remotes

src/Commands/Fetch.cs

@@ -1,4 +1,7 @@
 using System;
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
 
 namespace SourceGit.Commands {
     public class Fetch : Command {
@@ -18,6 +21,8 @@ namespace SourceGit.Commands {
             Args += "fetch --progress --verbose ";
             if (prune) Args += "--prune ";
             Args += remote;
+
+            AutoFetch.MarkFetched(repo);
         }
 
         public Fetch(string repo, string remote, string localBranch, string remoteBranch, Action<string> outputHandler) {
@@ -42,4 +47,75 @@ namespace SourceGit.Commands {
 
         private Action<string> _outputHandler;
     }
+
+    public class AutoFetch {
+        public static bool IsEnabled {
+            get;
+            set;
+        } = false;
+
+        class Job {
+            public Fetch Cmd = null;
+            public DateTime NextRunTimepoint = DateTime.MinValue;
+        }
+
+        static AutoFetch() {
+            Task.Run(() => {
+                while (true) {
+                    if (!IsEnabled) {
+                        Thread.Sleep(10000);
+                        continue;
+                    }
+
+                    var now = DateTime.Now;
+                    var uptodate = new List<Job>();
+                    lock (_lock) {
+                        foreach (var job in _jobs) {
+                            if (job.Value.NextRunTimepoint.Subtract(now).TotalSeconds <= 0) {
+                                uptodate.Add(job.Value);
+                            }
+                        }
+                    }
+
+                    foreach (var job in uptodate) {
+                        job.Cmd.Exec();
+                        job.NextRunTimepoint = DateTime.Now.AddSeconds(_fetchInterval);
+                    }
+                }
+            });
+        }
+
+        public static void AddRepository(string repo) {
+            var job = new Job {
+                Cmd = new Fetch(repo, "--all", true, null) { RaiseError = false },
+                NextRunTimepoint = DateTime.Now.AddSeconds(_fetchInterval),
+            };
+
+            lock (_lock) {
+                if (_jobs.ContainsKey(repo)) {
+                    _jobs[repo] = job;
+                } else {
+                    _jobs.Add(repo, job);
+                }
+            }
+        }
+
+        public static void RemoveRepository(string repo) {
+            lock (_lock) {
+                _jobs.Remove(repo);
+            }
+        }
+
+        public static void MarkFetched(string repo) {
+            lock (_lock) {
+                if (_jobs.ContainsKey(repo)) {
+                    _jobs[repo].NextRunTimepoint = DateTime.Now.AddSeconds(_fetchInterval);
+                }
+            }
+        }
+
+        private static Dictionary<string, Job> _jobs = new Dictionary<string, Job>();
+        private static object _lock = new object();
+        private static double _fetchInterval = 10 * 60;
+    }
 }

src/Resources/Locales/en_US.axaml

@@ -393,7 +393,7 @@
   <sys:String x:Key="Text.Preference.Git.Email">User Email</sys:String>
   <sys:String x:Key="Text.Preference.Git.Email.Placeholder">Global git user email</sys:String>
   <sys:String x:Key="Text.Preference.Git.CRLF">Enable Auto CRLF</sys:String>
-  <sys:String x:Key="Text.Preference.Git.AutoFetch">Fetch remotes automatically (need restart)</sys:String>
+  <sys:String x:Key="Text.Preference.Git.AutoFetch">Fetch remotes automatically</sys:String>
   <sys:String x:Key="Text.Preference.GPG">GPG SIGNING</sys:String>
   <sys:String x:Key="Text.Preference.GPG.Enabled">Commit GPG signing</sys:String>
   <sys:String x:Key="Text.Preference.GPG.Path">Install Path</sys:String>

src/Resources/Locales/zh_CN.axaml

@@ -392,7 +392,7 @@
   <sys:String x:Key="Text.Preference.Git.Email">邮箱</sys:String>
   <sys:String x:Key="Text.Preference.Git.Email.Placeholder">默认GIT用户邮箱</sys:String>
   <sys:String x:Key="Text.Preference.Git.CRLF">自动换行转换</sys:String>
-  <sys:String x:Key="Text.Preference.Git.AutoFetch">启用定时自动拉取远程更新（重启生效）</sys:String>
+  <sys:String x:Key="Text.Preference.Git.AutoFetch">启用定时自动拉取远程更新</sys:String>
   <sys:String x:Key="Text.Preference.GPG">GPG签名</sys:String>
   <sys:String x:Key="Text.Preference.GPG.Enabled">启用提交签名</sys:String>
   <sys:String x:Key="Text.Preference.GPG.Path">可执行文件位置</sys:String>

src/ViewModels/Launcher.cs

@@ -123,6 +123,7 @@ namespace SourceGit.ViewModels {
             }
 
             repo.Open();
+            Commands.AutoFetch.AddRepository(repo.FullPath);
 
             if (page == null) {
                 if (ActivePage == null || ActivePage.Node.IsRepository) {
@@ -146,6 +147,7 @@ namespace SourceGit.ViewModels {
             var repo = Preference.FindRepository(page.Node.Id);
             if (repo == null) return;
 
+            Commands.AutoFetch.RemoveRepository(repo.FullPath);
             repo.Close();
         }
 

src/ViewModels/Preference.cs

@@ -112,8 +112,13 @@ namespace SourceGit.ViewModels {
         }
 
         public bool GitAutoFetch {
-            get => _gitAutoFetch;
+            get => Commands.AutoFetch.IsEnabled;
-            set => SetProperty(ref _gitAutoFetch, value);
+            set {
+                if (Commands.AutoFetch.IsEnabled != value) {
+                    Commands.AutoFetch.IsEnabled = value;
+                    OnPropertyChanged(nameof(GitAutoFetch));
+                }
+            }
         }
 
         public int ExternalMergeToolType {
@@ -242,7 +247,6 @@ namespace SourceGit.ViewModels {
         private Models.ChangeViewMode _commitChangeViewMode = Models.ChangeViewMode.List;
 
         private string _gitDefaultCloneDir = string.Empty;
-        private bool _gitAutoFetch = false;
 
         private int _externalMergeToolType = 0;
         private string _externalMergeToolPath = string.Empty;

src/Views/CommitBaseInfo.axaml

@@ -103,7 +103,7 @@
 
           <!-- Messages -->
           <TextBlock Grid.Row="3" Grid.Column="0" Classes="info_label" Text="{DynamicResource Text.CommitDetail.Info.Message}" VerticalAlignment="Top" Margin="0,4,0,0" />
-          <ScrollViewer Grid.Row="3" Grid.Column="1" Margin="12,4,0,0" MaxHeight="100" HorizontalScrollBarVisibility="Disabled" VerticalScrollBarVisibility="Auto">
+          <ScrollViewer Grid.Row="3" Grid.Column="1" Margin="12,5,0,0" MaxHeight="100" HorizontalScrollBarVisibility="Disabled" VerticalScrollBarVisibility="Auto">
             <SelectableTextBlock Text="{Binding FullMessage}" FontSize="12" FontFamily="{StaticResource JetBrainsMono}" TextWrapping="Wrap"/>
           </ScrollViewer>
         </Grid>