public bool TryLocateExecutable(string program, out string?path)
{
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
if (Environment.GetEnvironmentVariable("PATH") is { } pathValue)
{
string[] paths = pathValue.Split(';');
foreach (var basePath in paths)
{
string candidatePath = Path.Combine(basePath, program);
if (FileExists(candidatePath))
{
path = candidatePath;
return(true);
}
}
}
}
else
{
using var which = ProcessHelper.CreateProcess("/usr/bin/which", program);
which.Start();
which.WaitForExit();
switch (which.ExitCode)
{
case 0: // found
string stdout = which.StandardOutput.ReadToEnd();
string[] results = stdout.Split(new[] { '\n' }, StringSplitOptions.RemoveEmptyEntries);
path = results.First();
return(true);
case 1: // not found
break;
default:
throw new Exception(
$"Unknown error locating '{program}' using /usr/bin/which. Exit code: {which.ExitCode}.");
}
}
path = null;
return(false);
}
public Process CreateProcess(string args) => ProcessHelper.CreateProcess(_path, args);