| // run |
| |
| // 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" |
| "runtime" |
| "strings" |
| ) |
| |
| func main() { |
| if runtime.GOOS == "js" { |
| return // no file system available on builders |
| } |
| |
| 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", 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) |
| } |
| } |