InvokeCommand.cs

using System.IO;
using System.Text;
using CliWrap;

namespace Corgibytes.Freshli.Cli.Functionality;

public static class InvokeCommand
{
    public static string InvokeFreshli(string arguments)
    {
        var stdOutBuffer = new StringBuilder();
        var stdErrBuffer = new StringBuilder();

        var executionLocation = new FileInfo(
            System.Reflection.Assembly.GetExecutingAssembly().Location
        ).Directory!; // null is forgivable here, because if we get null, there are far weirder problems afoot
        var executable = new FileInfo(executionLocation.FullName + "/freshli");

        var command = CliWrap.Cli.Wrap(executable.FullName).WithArguments(
                args => args
                    .Add(arguments.Split())
            )
            .WithStandardOutputPipe(PipeTarget.ToStringBuilder(stdOutBuffer))
            .WithStandardErrorPipe(PipeTarget.ToStringBuilder(stdErrBuffer));

        using var task = command.ExecuteAsync().Task;
        task.Wait();

        if (task.Result.ExitCode != 0)
        {
            throw new IOException(
                $"Invoking 'freshli {arguments}' failed with the following output:\n{stdErrBuffer}"
            );
        }

        return stdOutBuffer.ToString();
    }
};