cfssl/vendor/github.com/lib/pq/user_posix.go

// Package pq is a pure Go Postgres driver for the database/sql package.

//go:build aix || darwin || dragonfly || freebsd || (linux && !android) || nacl || netbsd || openbsd || plan9 || solaris || rumprun || illumos
// +build aix darwin dragonfly freebsd linux,!android nacl netbsd openbsd plan9 solaris rumprun illumos

package pq

import (
	"os"
	"os/user"
)

func userCurrent() (string, error) {
	u, err := user.Current()
	if err == nil {
		return u.Username, nil
	}

	name := os.Getenv("USER")
	if name != "" {
		return name, nil
	}

	return "", ErrCouldNotDetectUsername
}