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package unshare
import (
"fmt"
"os"
"os/user"
"sync"
"github.com/pkg/errors"
)
var (
homeDirOnce sync.Once
homeDirErr error
homeDir string
)
// HomeDir returns the home directory for the current user.
func HomeDir() (string, error) {
homeDirOnce.Do(func() {
home := os.Getenv("HOME")
if home == "" {
usr, err := user.LookupId(fmt.Sprintf("%d", GetRootlessUID()))
if err != nil {
homeDir, homeDirErr = "", errors.Wrapf(err, "unable to resolve HOME directory")
return
}
homeDir, homeDirErr = usr.HomeDir, nil
return
}
homeDir, homeDirErr = home, nil
})
return homeDir, homeDirErr
}
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