feat: lots of stuff

1 files changed, 38 insertions, 0 deletions

diff --git a/src/marlin.agents.shell/CommandRunner.cs b/src/marlin.agents.shell/CommandRunner.cs
new file mode 100644
index 0000000..d4fcbb3
--- /dev/null
+++ b/src/marlin.agents.shell/CommandRunner.cs
@@ -0,0 +1,38 @@
+using System.Diagnostics;
+
+public static class CommandRunner
+{
+    public static async Task<int> RunAsync(string command, Action<string> onStdout, Action<string> onStderr)
+    {
+        var psi = new ProcessStartInfo
+        {
+            FileName = GetShell(),
+            RedirectStandardInput = true,
+            RedirectStandardOutput = true,
+            RedirectStandardError = true,
+            UseShellExecute = false,
+            CreateNoWindow = true
+        };
+
+        var process = new Process { StartInfo = psi };
+        process.OutputDataReceived += (_, e) => { if (e.Data != null) onStdout(e.Data); };
+        process.ErrorDataReceived  += (_, e) => { if (e.Data != null) onStderr(e.Data); };
+
+        process.Start();
+        process.BeginOutputReadLine();
+        process.BeginErrorReadLine();
+
+        // Write the command to stdin and close it
+        await process.StandardInput.WriteLineAsync(command);
+        await process.StandardInput.WriteLineAsync("exit $?");  // Exit with the command's exit code
+        process.StandardInput.Close();
+        
+        await process.WaitForExitAsync();
+        return process.ExitCode;
+    }
+
+    private static string GetShell()
+    {
+        return OperatingSystem.IsWindows() ? "cmd.exe" : "/bin/bash";
+    }
+}
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