//go:build !windows && !darwin

// +build !windows,!darwin

package usershell

import (

"os"

"strings"

"golang.org/x/xerrors"

)

// Get returns the /etc/passwd entry for the username provided.

// Deprecated: use SystemEnvInfo.UserShell instead.

func Get(username string) (string, error) {

contents, err := os.ReadFile("/etc/passwd")

if err != nil {

return "", xerrors.Errorf("read /etc/passwd: %w", err)

}

lines := strings.Split(string(contents), "\n")

for _, line := range lines {

if !strings.HasPrefix(line, username+":") {

continue

}

parts := strings.Split(line, ":")

if len(parts) < 7 {

return "", xerrors.Errorf("malformed user entry: %q", line)

}

return parts[6], nil

}

if s := os.Getenv("SHELL"); s != "" {

return s, nil

}

return "", xerrors.Errorf("shell for user %q not found in /etc/passwd or $SHELL", username)

}