1
0
Fork 0
mirror of https://github.com/Luzifer/gcr-clean.git synced 2024-12-23 20:01:20 +00:00
gcr-clean/vendor/github.com/docker/cli/opts/envfile.go
Knut Ahlers 04cd59c534
Add vendored code
Signed-off-by: Knut Ahlers <knut@ahlers.me>
2019-02-04 16:00:25 +01:00

22 lines
866 B
Go

package opts
import (
"os"
)
// 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 parseKeyValueFile(filename, os.LookupEnv)
}