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package main
import (
"errors"
"flag"
"fmt"
"os"
"os/user"
)
var (
ego *user.User
command []string
verbose bool
method = machinectl
userName string
methodFlags [2]bool
printVersion bool
)
const (
machinectl uint8 = iota
machinectlBare
sudo
)
func init() {
flag.StringVar(&userName, "u", "ego", "Specify a username")
flag.BoolVar(&methodFlags[0], "sudo", false, "Use 'sudo' to change user")
flag.BoolVar(&methodFlags[1], "bare", false, "Use 'machinectl' but skip xdg-desktop-portal setup")
flag.BoolVar(&verbose, "v", false, "Verbose output")
flag.BoolVar(&printVersion, "V", false, "Print version")
}
func copyArgs() {
if printVersion {
fmt.Println(Version)
os.Exit(0)
}
command = flag.Args()
switch { // zero value is machinectl
case methodFlags[0]:
method = sudo
case methodFlags[1]:
method = machinectlBare
}
if u, err := user.Lookup(userName); err != nil {
if errors.As(err, new(user.UnknownUserError)) {
fmt.Println("unknown user", userName)
} else {
// unreachable
panic(err)
}
os.Exit(1)
} else {
ego = u
}
if verbose {
fmt.Println("Running command", command, "as user", ego.Username, "("+ego.Uid+")")
}
}
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