// run //go:build !js && !wasip1 && gc // Copyright 2017 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package main import ( "bytes" "fmt" "io/ioutil" "log" "os" "os/exec" "path/filepath" "strings" ) func main() { f, err := ioutil.TempFile("", "issue22660.go") if err != nil { log.Fatal(err) } f.Close() defer os.Remove(f.Name()) // path must appear in error messages even if we strip them with -trimpath path := filepath.Join("users", "xxx", "go") var src bytes.Buffer fmt.Fprintf(&src, "//line %s:1\n", filepath.Join(path, "foo.go")) if err := ioutil.WriteFile(f.Name(), src.Bytes(), 0660); err != nil { log.Fatal(err) } out, err := exec.Command("go", "tool", "compile", "-p=p", fmt.Sprintf("-trimpath=%s", path), f.Name()).CombinedOutput() if err == nil { log.Fatalf("expected compiling %s to fail", f.Name()) } if !strings.HasPrefix(string(out), path) { log.Fatalf("expected full path (%s) in error message, got:\n%s", path, out) } }