/usr/share/gocode/src/bazil.org/fuse/fs/helpers_test.go is in golang-bazil-fuse-dev 0.0~git20150620-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 | package fs_test
import (
"errors"
"flag"
"os"
"os/exec"
"path/filepath"
"testing"
)
var childHelpers = map[string]func(){}
type childProcess struct {
name string
fn func()
}
var _ flag.Value = (*childProcess)(nil)
func (c *childProcess) String() string {
return c.name
}
func (c *childProcess) Set(s string) error {
fn, ok := childHelpers[s]
if !ok {
return errors.New("helper not found")
}
c.name = s
c.fn = fn
return nil
}
var childMode childProcess
func init() {
flag.Var(&childMode, "fuse.internal.child", "internal use only")
}
// childCmd prepares a test function to be run in a subprocess, with
// childMode set to true. Caller must still call Run or Start.
//
// Re-using the test executable as the subprocess is useful because
// now test executables can e.g. be cross-compiled, transferred
// between hosts, and run in settings where the whole Go development
// environment is not installed.
func childCmd(childName string) (*exec.Cmd, error) {
// caller may set cwd, so we can't rely on relative paths
executable, err := filepath.Abs(os.Args[0])
if err != nil {
return nil, err
}
cmd := exec.Command(executable, "-fuse.internal.child="+childName)
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
return cmd, nil
}
func TestMain(m *testing.M) {
flag.Parse()
if childMode.fn != nil {
childMode.fn()
os.Exit(0)
}
os.Exit(m.Run())
}
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