Initial commit HEAD master

7 files changed, 191 insertions, 0 deletions

diff --git a/LibGitTest/FileRepoSource.cs b/LibGitTest/FileRepoSource.cs
new file mode 100644
index 0000000..09ec836
--- /dev/null
+++ b/LibGitTest/FileRepoSource.cs
@@ -0,0 +1,18 @@
+using LibGit.Interfaces;
+
+namespace LibGitTest;
+
+public class FileRepoSource : IRepoSource
+{
+    public FileRepoSource(string basePath)
+    {
+        BasePath = basePath;
+    }
+
+    public string BasePath { get; set; }
+
+    public async Task<Stream> GetFileStream(string path)
+    {
+        return File.OpenRead(Path.Join(BasePath, path));
+    }
+}
\ No newline at end of file
diff --git a/LibGitTest/LibGitTest.csproj b/LibGitTest/LibGitTest.csproj
new file mode 100644
index 0000000..ebad2df
--- /dev/null
+++ b/LibGitTest/LibGitTest.csproj
@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>Exe</OutputType>
+        <TargetFramework>net7.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\LibGit\LibGit.csproj" />
+    </ItemGroup>
+
+</Project>
diff --git a/LibGitTest/Program.cs b/LibGitTest/Program.cs
new file mode 100644
index 0000000..3d87631
--- /dev/null
+++ b/LibGitTest/Program.cs
@@ -0,0 +1,11 @@
+// See https://aka.ms/new-console-template for more information
+
+using LibGit;
+using LibGit.Extensions;
+using LibGitTest;
+
+Console.WriteLine("Hello, World!");
+
+//await Test1.Run();
+//await Test2.Run();
+await Test3.Run();
\ No newline at end of file
diff --git a/LibGitTest/Test1.cs b/LibGitTest/Test1.cs
new file mode 100644
index 0000000..ac88cf9
--- /dev/null
+++ b/LibGitTest/Test1.cs
@@ -0,0 +1,36 @@
+using LibGit;
+
+namespace LibGitTest;
+
+public class Test1
+{
+    public static async Task Run()
+    {
+        var repo = new GitRepo(new FileRepoSource(@"/home/root@Rory/tmpgit/MatrixRoomUtils.git"));
+// var repo = new GitRepo(new WebRepoSource("https://git.rory.gay/MatrixRoomUtils.git/"));
+        var commit = await repo.GetCommit("HEAD");
+
+        while (commit.ParentIds.Count > 0)
+        {
+            Console.WriteLine($"{commit.CommitId[..7]} | {commit.AuthorName.PadRight(16)} | {commit.Message.PadRight(32)[..32]} | {commit.TreeId}");
+            var tree = await commit.GetTreeAsync();
+            await PrintTreeRecursive(tree);
+
+            commit = await repo.GetCommit(commit.ParentIds.First());
+        }
+
+        async Task PrintTreeRecursive(TreeObject tree, int indent = 0)
+        {
+            foreach (var (key, value) in tree.Entries.Where(x => x.Value.Mode.StartsWith("1")))
+            {
+                Console.WriteLine($"{value.Mode.PadLeft(6)} {value.Hash}{"".PadRight(indent)} {key}");
+            }
+
+            foreach (var (key, value) in tree.Entries.Where(x => !x.Value.Mode.StartsWith("1")))
+            {
+                Console.WriteLine($"{value.Mode.PadLeft(6)}{"".PadRight(indent + 41)} {key + "/"}");
+                await PrintTreeRecursive(new TreeObject(tree.RepoSource, value.Hash).ReadFromZlibCompressedObjFile(await tree.RepoSource.GetObjectStreamById(value.Hash)), indent + 2);
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/LibGitTest/Test2.cs b/LibGitTest/Test2.cs
new file mode 100644
index 0000000..c25f9b0
--- /dev/null
+++ b/LibGitTest/Test2.cs
@@ -0,0 +1,67 @@
+using LibGit;
+
+namespace LibGitTest;
+
+public class Test2
+{
+    public static async Task Run()
+    {
+        List<CommitObject> commits = new();
+        List<GitRef> heads = new();
+        var repo = new GitRepo(new WebRepoSource("https://git.rory.gay/.fosscord/fosscord-server.git/")
+        {
+        });
+
+        var ss = new SemaphoreSlim(12,12);
+        
+        var _heads = repo.GetRefs().GetAsyncEnumerator();
+        while (await _heads.MoveNextAsync())
+        {
+            heads.Add(_heads.Current);
+            var isCached = await ((WebRepoSource)repo.RepoSource).HasObjectCached(_heads.Current.CommitId);
+            Console.WriteLine(_heads.Current.Name+ " - cache miss: " + !isCached);
+            if (!isCached)
+            {
+
+                var _c = _heads.Current.CommitId;
+#pragma warning disable CS4014
+                Task.Run(async () =>
+#pragma warning restore CS4014
+                {
+                    await ss.WaitAsync();
+                    Console.WriteLine("hi from task");
+                    var a = new GitRepo(new WebRepoSource("https://git.rory.gay/.fosscord/fosscord-server.git/")
+                    {
+                    }).GetCommits(_c).GetAsyncEnumerator();
+                    while (
+                        await a.MoveNextAsync() 
+                        && !await ((WebRepoSource)repo.RepoSource)
+                            .HasObjectCached(a.Current.CommitId)
+                    ) Console.WriteLine($"Prefetched commit {a.Current.CommitId} with {a.Current.ParentIds.Count()} parents");
+                    Console.WriteLine($"Reached already-cached log: {a.Current.CommitId}");
+                    ss.Release();
+                });
+            }
+        }
+        
+
+        var log = repo.GetCommits(heads.First(x=>x.Name == "refs/heads/master").CommitId).GetAsyncEnumerator();
+        while (await log.MoveNextAsync())
+        {
+            commits.Add(log.Current);
+            if (commits.Count % 50 == 0)
+            {
+                // StateHasChanged();
+                await Task.Delay(1);
+            }
+            
+            Console.WriteLine($"Fetched in-log commit {log.Current.CommitId}, {12-ss.CurrentCount} tasks running");
+
+            if (ss.CurrentCount == 12)
+            {
+                Console.WriteLine("All tasks finished");
+                return;
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/LibGitTest/Test3.cs b/LibGitTest/Test3.cs
new file mode 100644
index 0000000..be7275f
--- /dev/null
+++ b/LibGitTest/Test3.cs
@@ -0,0 +1,17 @@
+using LibGit;
+using LibGit.Extensions;
+
+namespace LibGitTest;
+
+public class Test3
+{
+    public static async Task Run()
+    {
+        var repo = new GitRepo(new FileRepoSource(@"/home/root@Rory/tmpgit/fosscord-server.git"));
+        var packs = repo.GetPacks().GetAsyncEnumerator();
+        while(await packs.MoveNextAsync())
+        {
+            Console.WriteLine(packs.Current.ToJson());
+        }
+    }
+}
\ No newline at end of file
diff --git a/LibGitTest/WebRepoSource.cs b/LibGitTest/WebRepoSource.cs
new file mode 100644
index 0000000..39d9b79
--- /dev/null
+++ b/LibGitTest/WebRepoSource.cs
@@ -0,0 +1,28 @@
+using LibGit.Interfaces;
+
+namespace LibGitTest;
+
+public class WebRepoSource : IRepoSource
+{
+    private const bool _debug = false;
+    public WebRepoSource(string basePath)
+    {
+        BasePath = basePath;
+    }
+
+    public string BasePath { get; set; }
+
+    public async Task<Stream> GetFileStream(string path)
+    {
+        var client = new HttpClient();
+        if(_debug)Console.WriteLine("Fetching file: " + Path.Join(BasePath, path));
+        var response = await client.GetAsync(Path.Join(BasePath, path));
+        if(!response.IsSuccessStatusCode) throw new Exception("Failed to fetch file: " + Path.Join(BasePath, path));
+        return await response.Content.ReadAsStreamAsync();
+    }
+
+    public async Task<bool> HasObjectCached(string currentCommitId)
+    {
+        return Random.Shared.Next(0, 2) == 1;
+    }
+}
\ No newline at end of file