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package main
import (
"os"
"os/exec"
"github.com/containers/storage"
"github.com/containers/storage/pkg/mflag"
"github.com/containers/storage/pkg/unshare"
)
func unshareFn(flags *mflag.FlagSet, action string, m storage.Store, args []string) (int, error) {
unshare.MaybeReexecUsingUserNamespace(true)
if len(args) == 0 {
shell := os.Getenv("SHELL")
if shell == "" {
shell = "/bin/sh"
}
args = []string{shell}
}
cmd := exec.Command(args[0], args[1:]...)
cmd.Stdin, cmd.Stdout, cmd.Stderr = os.Stdin, os.Stdout, os.Stderr
if err := cmd.Run(); err != nil {
return 1, err
}
return 0, nil
}
func init() {
commands = append(commands, command{
names: []string{"unshare"},
usage: "Run a command in a user namespace",
optionsHelp: "[command [...]]",
minArgs: 0,
maxArgs: -1,
action: unshareFn,
})
}
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