1 files changed, 66 insertions, 1 deletions

diff --git a/src/marlin.core/functional/IGitClient.cs b/src/marlin.core/functional/IGitClient.cs
index ad8d26e..04dc12a 100644
--- a/src/marlin.core/functional/IGitClient.cs
+++ b/src/marlin.core/functional/IGitClient.cs
@@ -1,6 +1,71 @@
-namespace marlin.web.Services;
+namespace marlin.core.functional;
+
+using System.Diagnostics;
 
 public interface IGitClient
 {
     Task<Dictionary<string, string>> GetRemoteRefs(string remote);
+}
+
+public class GitBinaryClient : IGitClient
+{
+    public virtual async Task<Dictionary<string, string>> GetRemoteRefs(string remote)
+    {
+        var psi = this.CreateProcess(remote);
+        var proc = Process.Start(psi)!;
+        
+        string stdout = await proc.StandardOutput.ReadToEndAsync();
+        await proc.WaitForExitAsync();
+
+        return ParseOutput(stdout);
+    }
+    
+    private Dictionary<string, string> ParseOutput(string stdout)
+    {
+        return stdout
+            .Split("\n", StringSplitOptions.RemoveEmptyEntries)
+            .Select(x => x.Split('\t'))
+            .ToDictionary(k => k[1], k => k[0]);
+    }
+
+    protected virtual ProcessStartInfo CreateProcess(string remote)
+    {
+        var psi = new ProcessStartInfo("git", $"ls-remote --heads --tags {remote}")
+        {
+            RedirectStandardOutput = true,
+            RedirectStandardError = true,
+            UseShellExecute = false,
+            CreateNoWindow = true,
+            Environment = { ["GIT_TERMINAL_PROMPT"] = "0" }
+        };
+
+        return psi;
+    }
+
+    /*private async Task SshAuth(string privateKeyPem)
+    {
+        string keyPath = Path.Combine(Path.GetTempPath(), $"key_{Guid.NewGuid():N}");
+        await File.WriteAllTextAsync(keyPath, privateKeyPem);
+        File.SetUnixFileMode(keyPath, UnixFileMode.UserRead | UnixFileMode.UserWrite);
+
+        try
+        {
+            psi.Environment["GIT_SSH_COMMAND"] =
+                $"ssh -i {keyPath} -o IdentitiesOnly=yes -o StrictHostKeyChecking=accept-new";
+            // run ls-remote against the ssh:// or git@ URL
+        }
+        finally
+        {
+            File.Delete(keyPath);
+        }
+    }
+
+    private async Task BasicAuth(string accessToken)
+    {
+        psi.Environment["GIT_CONFIG_COUNT"] = "1";
+        psi.Environment["GIT_CONFIG_KEY_0"] = "http.extraheader";
+        psi.Environment["GIT_CONFIG_VALUE_0"] =
+            $"AUTHORIZATION: basic {Convert.ToBase64String(Encoding.UTF8.GetBytes($"x-access-token:{accessToken}"))}";
+
+    }*/
 }
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