public void FindSystemDirectory_Windows()
{
using var temp = new TempRoot();
var base1 = temp.CreateDirectory();
var base2 = temp.CreateDirectory();
var d3 = temp.CreateDirectory();
var d1 = base1.CreateDirectory("1");
d1.CreateFile("git.cmd");
var d2 = base2.CreateDirectory("2");
d2.CreateFile("git.exe");
Assert.Null(GitEnvironment.FindSystemDirectory(null, null));
Assert.Null(GitEnvironment.FindSystemDirectory("", null));
Assert.Null(GitEnvironment.FindSystemDirectory(";", null));
Assert.Equal(GitEnvironment.FindSystemDirectory($"*;<>; ;;{d3};{d1}", ""), Path.Combine(base1.Path, "etc"));
Assert.Equal(GitEnvironment.FindSystemDirectory($"*;<>;\t;;{d3};{d2}", ""), Path.Combine(base2.Path, "etc"));
}
public void FindSystemDirectory_Unix(string etc, string expected)
{
Assert.Equal(expected, GitEnvironment.FindSystemDirectory(null, etc));
}