Move and refactor files and some more changes :3

cli/commands/unix.go

@@ -0,0 +1,48 @@
+//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos
+
+package commands
+
+import (
+	"bufio"
+	"os"
+	"os/exec"
+	"syscall"
+)
+
+// https://github.com/bgentry/speakeasy/blob/master/speakeasy_unix.go
+var stty string
+
+func init() {
+	var err error
+	if stty, err = exec.LookPath("stty"); err != nil {
+		panic(err)
+	}
+}
+
+func ReadLineSilent() ([]byte, error) {
+	pid, err := setEcho(false)
+	if err != nil {
+		return nil, err
+	}
+	defer setEcho(true)
+
+	syscall.Wait4(pid, nil, 0, nil)
+
+	l, _, err := bufio.NewReader(os.Stdin).ReadLine()
+	return l, err
+}
+
+func setEcho(on bool) (pid int, err error) {
+	fds := []uintptr{os.Stdin.Fd(), os.Stdout.Fd(), os.Stderr.Fd()}
+
+	if on {
+		pid, err = syscall.ForkExec(stty, []string{"stty", "echo"}, &syscall.ProcAttr{Files: fds})
+	} else {
+		pid, err = syscall.ForkExec(stty, []string{"stty", "-echo"}, &syscall.ProcAttr{Files: fds})
+	}
+
+	if err != nil {
+		return 0, err
+	}
+	return
+}