// Log the panic under unix to the log file // +build darwin dragonfly freebsd linux nacl netbsd openbsd package cmd import ( "log" "os" "golang.org/x/sys/unix" ) // redirectStderr to the file passed in func redirectStderr(f *os.File) { err := unix.Dup2(int(f.Fd()), int(os.Stderr.Fd())) if err != nil { log.Fatalf("Failed to redirect stderr to file: %v", err) } }