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path: root/cmds/test.go
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package cmds

import (
	"os"
	"os/user"
	"strconv"
	"syscall"
)

func test(args []string) int {
	if len(args) <= 2 {
		return 1
	}

	fi, err := os.Lstat(args[2])
	c, _ := user.Current()
	if err != nil {
		return 1
	}

	switch args[1] {
	case "-e":
		return 0
	case "-f":
		if !fi.IsDir() {
			return 0
		}
		break
	case "-d":
		if fi.IsDir() {
			return 0
		}
		break
	case "-r":
		if fi.Mode().Perm() & 0400 != 0 {
			return 0
		}
		break
	case "-w":
		if fi.Mode().Perm() & 0200 != 0 {
			return 0
		}
		break
	case "-x":
		if fi.Mode().Perm() & 0100 != 0 {
			return 0
		}
		break
	case "-S":
		if fi.Size() > 0 {
			return 0
		}
		break
	case "-L":
		if fi.Mode() & os.ModeSymlink != 0 {
			return 0
		}
		break
	case "-O":
		s := fi.Sys().(*syscall.Stat_t)
		if c.Uid == strconv.Itoa(int(s.Uid)) {
			return 0
		}
		break
	case "-G":
		s := fi.Sys().(*syscall.Stat_t)
		if c.Gid == strconv.Itoa(int(s.Gid)) {
			return 0
		}
		break
	}
	return 1
}