Running Bash Commands from C#

Question

I am trying to figure out how to run a bash command from C# running on IIS 7/.Net 4.5.

I've been searching the web and a lot of answers presume you have certain things installed/in place.

I already have Git 1.9.4.msysgit.2 installed with Git Bash and Git Giu. I'm looking for some help as to what else I need installed to run even the simplest of bash commands. And how to run it.

I've looked at posts like bash pipes - I am trying to call script from c# but that uses cygwin. Can I do the same without it and if so, how do I go about it?

Goal

If what I'm asking above doesn't make sense or seems to ask separate questions, here my ultimate goal. I'm trying to write my own server-side git hook. When a developer pushes their commits to our GitHub repo, I want GitHub to call our callback url. I want my callback url to run a git pull command to update our staging server with what was just pushed.

I got to this question based on a previous question I asked at GitHub - setup auto deployment with remote server. based on answers there I'm trying to run a simple command, either but hard coding the command, or putting it in a script and running it, e.g.: cd $REPO_DIR && git pull origin $branch_name.

I am aware of Jenkins and other software, but I want to perform these commands myself vs. installing another software.

If further information is needed please feel free to ask.

Update 1

So based on a few answers below I've come up with the following

using System.Diagnostics;

Process process = new Process();

ProcessStartInfo processStartInfo = new ProcessStartInfo();
processStartInfo.WindowStyle = ProcessWindowStyle.Hidden;
processStartInfo.FileName = @"C:\Program Files (x86)\Git\bin\bash.exe";
processStartInfo.WorkingDirectory = @"C:\myrepo\mysite";
processStartInfo.Arguments = "git status";
processStartInfo.RedirectStandardOutput = true;
processStartInfo.RedirectStandardError = true;
processStartInfo.UseShellExecute = false;

process.StartInfo = processStartInfo;
process.Start();

String error = process.StandardError.ReadToEnd();
String output = process.StandardOutput.ReadToEnd();

ViewBag.Error = error;
ViewBag.Ouput = output;

With the code above I am getting "C:/Program Files (x86)/Git/bin/bash.exe": git: No such file or directory. I know the exe is there. What's am I doing wrong?

Update 2

As per @SurgeonofDeath comment I followed this post http://blog.countableset.ch/2012/06/07/adding-git-to-windows-7-path/ and added the paths of Git to my environmental variables. However I still am getting the same issues. Any ideas?

Thanks.

Solution

Instead of calling the bash.exe, simply call git and pass the status as argument:

processStartInfo.FileName = "git";
processStartInfo.Arguments = "status";