NAnt functions

gistfile1.xml

<assemblyfileset id="sys.assemblies">
	<include name="System.dll" />
	<include name="System.Net.dll" />
</assemblyfileset>	

<script language="C#">
	<references refid="sys.assemblies" />
	<imports>
		<import namespace="System.Net" />
		<import namespace="System.Net.Sockets" />
    </imports>
	<code><![CDATA[
	[Function("LocalIPAddress")]
	public string LocalIPAddress()
	{
		IPHostEntry host;
		string localIP = "";
		host = Dns.GetHostEntry(Dns.GetHostName());
		foreach (IPAddress ip in host.AddressList)
		{
			if (ip.AddressFamily == AddressFamily.InterNetwork)
			{
				localIP = ip.ToString();
			}
		}
		return localIP;
	}
	]]></code>
</script>

<script language="C#">
	<code><![CDATA[
	[Function("version-greater-or-equal")]
	public bool VersionGreaterOrEqual(string version1, string version2)
	{
	Version v1 = new Version(version1);
	Version v2 = new Version(version2);
	return v1 >= v2;
	}
	]]></code>
</script>

<script language="C#">
	<references refid="sys.assemblies" />
	<imports>
		<import namespace="System.Text.RegularExpressions" />
    </imports>
	<code><![CDATA[
	[Function("regex-replace-in-file")]
	public static string RegexReplaceInFile(string filename, string pattern, string replacement)
	{
		if (!File.Exists(filename))
			throw new FileNotFoundException("Could not find: " + filename);
		var fileContent = File.ReadAllText(filename, Encoding.Default);
		if (Regex.Match(fileContent, pattern).Success)
		{
			File.WriteAllText(filename, Regex.Replace(fileContent, pattern, replacement, RegexOptions.IgnoreCase), Encoding.Default);
			return "Replaced pattern in: " + filename;
		}
		return "Failed to replace in: " + filename;
	}
	]]></code>
</script>

<script language="C#">
	<references refid="sys.assemblies" />
	<imports>
		<import namespace="System.Text.RegularExpressions" />
		<import namespace="System.Diagnostics" />
    </imports>
	<code><![CDATA[
	[Function("current-svn-revision")]
	public static string CurrentSvnRevision(string path)
	{
		if (Directory.Exists(path))
		{
			using (Process svnProcess = new Process())
			{
				svnProcess.StartInfo.WorkingDirectory = path;
				svnProcess.StartInfo.FileName = "svn.exe";
				svnProcess.StartInfo.Arguments = "info -r BASE";
				svnProcess.StartInfo.UseShellExecute = false;
				svnProcess.StartInfo.RedirectStandardOutput = true;
				svnProcess.Start();

				using (StreamReader reader = svnProcess.StandardOutput)
				{
					string line;
					while ((line = reader.ReadLine()) != null)
					{
						if (Regex.Match(line, "Revision:").Success)
						{
							return Regex.Match(line, @"([\d]+)").Value;
						}
					}
				}
			}
		}
		return "0";
	}
	]]></code>
</script>