git.iko.soy/crush
on 2faa467 help sign in
crush/internal/shell/dispatch_windows_test.go
40 lines 1.4 kB history raw
1//go:build windows
3package shell
5import (
6 "os"
7 "path/filepath"
8 "testing"
9)
11// TestResolveInterpreter_PermissiveFallback_Windows is the Windows-native
12// counterpart to the POSIX permissive-fallback test. It proves the one
13// behavior that makes `#!/bin/bash` hooks work on a stock Windows box
14// with Git for Windows installed: when the literal interpreter path does
15// not exist, we fall back to a PATH-lookup on the basename and that
16// lookup accepts any executable extension Windows honors (here, `.bat`).
17//
18// We plant a bash.bat in a tempdir rather than a .exe because producing
19// a .exe would require a toolchain step; LookPath on Windows resolves
20// PATHEXT extensions, so .bat is just as valid for the lookup codepath.
21func TestResolveInterpreter_PermissiveFallback_Windows(t *testing.T) {
22 dir := t.TempDir()
23 fake := filepath.Join(dir, "bash.bat")
24 contents := "@echo off\r\nexit /b 0\r\n"
25 if err := os.WriteFile(fake, []byte(contents), 0o755); err != nil {
26 t.Fatalf("write fake bash.bat: %v", err)
27 }
28 t.Setenv("PATH", dir)
29 t.Setenv("PATHEXT", ".BAT;.CMD;.EXE")
31 // Literal path must be absent so the stat fails with ENOENT.
32 missing := filepath.Join(dir, "definitely-not-here-"+randSuffix(), "bash")
33 resolved, err := resolveInterpreter(missing)
34 if err != nil {
35 t.Fatalf("expected fallback to succeed, got: %v", err)
36 }
37 if resolved != fake {
38 t.Fatalf("resolved = %q, want %q", resolved, fake)
39 }