package opts import ( "os" "github.com/docker/cli/pkg/kvfile" ) // ParseEnvFile reads a file with environment variables enumerated by lines // // “Environment variable names used by the utilities in the Shell and // Utilities volume of IEEE Std 1003.1-2001 consist solely of uppercase // letters, digits, and the '_' (underscore) from the characters defined in // Portable Character Set and do not begin with a digit. *But*, other // characters may be permitted by an implementation; applications shall // tolerate the presence of such names.” // -- http://pubs.opengroup.org/onlinepubs/009695399/basedefs/xbd_chap08.html // // As of #16585, it's up to application inside docker to validate or not // environment variables, that's why we just strip leading whitespace and // nothing more. func ParseEnvFile(filename string) ([]string, error) { return kvfile.Parse(filename, os.LookupEnv) }