File History

Author: sambonfire

src/GitHub.Api/Application/ApiClient.cs

@@ -283,13 +283,13 @@ private GitHubUser GetValidatedGitHubUser(Connection keychainConnection, IKeycha
         }
     }
 
-    class GitHubUser
+    public class GitHubUser
     {
         public string Name { get; set; }
         public string Login { get; set; }
     }
 
-    class GitHubRepository
+    public class GitHubRepository
     {
         public string Name { get; set; }
         public string CloneUrl { get; set; }

src/GitHub.Api/Application/IApiClient.cs

@@ -2,7 +2,7 @@
 
 namespace GitHub.Unity
 {
-    interface IApiClient
+    public interface IApiClient
     {
         HostAddress HostAddress { get; }
         UriString OriginalUrl { get; }

src/GitHub.Api/Application/Organization.cs

@@ -1,8 +1,8 @@
 namespace GitHub.Unity
 {
-    class Organization
+    public class Organization
     {
         public string Name { get; set; }
         public string Login { get; set; }
     }
-}
+}

src/GitHub.Api/Git/GitClient.cs

@@ -199,6 +199,15 @@ public interface IGitClient
         /// <returns>String output of git command</returns>
         ITask<string> DiscardAll(IOutputProcessor<string> processor = null);
 
+        /// <summary>
+        /// Executes at least one `git checkout` command to checkout files at the given changeset
+        /// </summary>
+        /// <param name="changeset">The md5 of the changeset</param>
+        /// <param name="files">The files to check out</param>
+        /// <param name="processor">A custom output processor instance</param>
+        /// <returns>String output of git command</returns>
+        ITask<string> CheckoutVersion(string changeset, IEnumerable<string> files, IOutputProcessor<string> processor = null);
+
         /// <summary>
         /// Executes at least one `git reset HEAD` command to remove files from the git index.
         /// </summary>
@@ -241,6 +250,13 @@ public interface IGitClient
         /// <returns><see cref="List&lt;T&gt;"/> of <see cref="GitLogEntry"/> output</returns>
         ITask<List<GitLogEntry>> Log(BaseOutputListProcessor<GitLogEntry> processor = null);
 
+        /// <summary>
+        /// Executes `git log -- <file>` to get the history of a specific file.
+        /// </summary>
+        /// <param name="processor">A custom output processor instance</param>
+        /// <returns><see cref="List&lt;T&gt;"/> of <see cref="GitLogEntry"/> output</returns>
+        ITask<List<GitLogEntry>> LogFile(NPath file, BaseOutputListProcessor<GitLogEntry> processor = null);
+
         /// <summary>
         /// Executes `git --version` to get the git version.
         /// </summary>
@@ -332,6 +348,17 @@ public ITask<List<GitLogEntry>> Log(BaseOutputListProcessor<GitLogEntry> process
                 .Then((success, list) => success ? list : new List<GitLogEntry>());
         }
 
+        ///<inheritdoc/>
+        public ITask<List<GitLogEntry>> LogFile(NPath file, BaseOutputListProcessor<GitLogEntry> processor = null)
+        {
+            return new GitLogTask(file, new GitObjectFactory(environment), cancellationToken, processor)
+                .Configure(processManager)
+                .Catch(exception => exception is ProcessException &&
+                    exception.Message.StartsWith("fatal: your current branch") &&
+                    exception.Message.EndsWith("does not have any commits yet"))
+                .Then((success, list) => success ? list : new List<GitLogEntry>());
+        }
+
         ///<inheritdoc/>
         public ITask<TheVersion> Version(IOutputProcessor<TheVersion> processor = null)
         {
@@ -549,6 +576,13 @@ public ITask<string> DiscardAll(IOutputProcessor<string> processor = null)
                 .Configure(processManager);
         }
 
+        ///<inheritdoc/>
+        public ITask<string> CheckoutVersion(string changeset, IEnumerable<string> files, IOutputProcessor<string> processor = null)
+        {
+            return new GitCheckoutTask(changeset, files, cancellationToken, processor)
+                .Configure(processManager);
+        }
+
         ///<inheritdoc/>
         public ITask<string> Remove(IList<string> files,
             IOutputProcessor<string> processor = null)

src/GitHub.Api/Git/Tasks/GitCheckoutTask.cs

@@ -30,8 +30,29 @@ public GitCheckoutTask(CancellationToken token,
             arguments = "checkout -- .";
         }
 
+        public GitCheckoutTask(
+            string changeset,
+            IEnumerable<string> files,
+            CancellationToken token,
+            IOutputProcessor<string> processor = null) : base(token, processor ?? new SimpleOutputProcessor())
+        {
+            Guard.ArgumentNotNull(files, "files");
+            Name = TaskName;
+
+            arguments = "checkout ";
+            arguments += changeset;
+            arguments += " -- ";
+
+            foreach (var file in files)
+            {
+                arguments += " \"" + file.ToNPath().ToString(SlashMode.Forward) + "\"";
+            }
+
+            Message = "Checking out files at  rev " + changeset.Substring(0, 7); 
+        }        
+
         public override string ProcessArguments { get { return arguments; } }
         public override TaskAffinity Affinity { get { return TaskAffinity.Exclusive; } }
-        public override string Message { get; set; } = "Checking out branch...";
+        public override string Message { get; set; } = "Checking out files...";
     }
 }

src/GitHub.Api/Git/Tasks/GitLogTask.cs

@@ -5,17 +5,31 @@ namespace GitHub.Unity
     class GitLogTask : ProcessTaskWithListOutput<GitLogEntry>
     {
         private const string TaskName = "git log";
+        private const string baseArguments = @"-c i18n.logoutputencoding=utf8 -c core.quotepath=false log --pretty=format:""%H%n%P%n%aN%n%aE%n%aI%n%cN%n%cE%n%cI%n%B---GHUBODYEND---"" --name-status";
+        private readonly string arguments;
 
         public GitLogTask(IGitObjectFactory gitObjectFactory,
             CancellationToken token, BaseOutputListProcessor<GitLogEntry> processor = null)
             : base(token, processor ?? new LogEntryOutputProcessor(gitObjectFactory))
         {
             Name = TaskName;
+            arguments = baseArguments;
+        }
+
+        public GitLogTask(NPath file,
+            IGitObjectFactory gitObjectFactory,
+            CancellationToken token, BaseOutputListProcessor<GitLogEntry> processor = null)
+            : base(token, processor ?? new LogEntryOutputProcessor(gitObjectFactory))
+        {
+            Name = TaskName;
+            arguments = baseArguments;
+            arguments += " -- ";
+            arguments += " \"" + file.ToString(SlashMode.Forward) + "\"";
         }
 
         public override string ProcessArguments
         {
-            get { return @"-c i18n.logoutputencoding=utf8 -c core.quotepath=false log --pretty=format:""%H%n%P%n%aN%n%aE%n%aI%n%cN%n%cE%n%cI%n%B---GHUBODYEND---"" --name-status"; }
+            get { return arguments; }
         }
         public override string Message { get; set; } = "Loading the history...";
     }

src/UnityExtension/Assets/Editor/GitHub.Unity/UI/BaseWindow.cs

@@ -7,7 +7,7 @@
 
 namespace GitHub.Unity
 {
-    abstract class BaseWindow :  EditorWindow, IView
+    public abstract class BaseWindow :  EditorWindow, IView
     {
         [NonSerialized] private bool initialized = false;
         [NonSerialized] private IUser cachedUser;

src/UnityExtension/Assets/Editor/GitHub.Unity/UI/ContextMenu.cs

@@ -0,0 +1,36 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEditor;
+
+namespace GitHub.Unity
+{
+    public class ContextMenu
+    {
+        [MenuItem("Assets/Git/History", false)]
+        private static void GitFileHistory()
+        {
+            if (Selection.assetGUIDs != null)
+            {
+                int maxWindowsToOpen = 10;
+                int windowsOpened = 0;
+                foreach(var guid in Selection.assetGUIDs)
+                {
+                    var assetPath = AssetDatabase.GUIDToAssetPath(guid);
+                    FileHistoryWindow.OpenWindow(assetPath);
+                    windowsOpened++;
+                    if (windowsOpened >= maxWindowsToOpen)
+                    {
+                        break;
+                    }
+                }
+            }
+        }
+
+        [MenuItem("Assets/Git/History", true)]
+        private static bool GitFileHistoryValidation()
+        {
+            return Selection.assetGUIDs != null && Selection.assetGUIDs.Length > 0;
+        }
+    }
+}