envutil

func GetenvWithDefault(envKey, defValue string) string

GetenvWithDefault returns the value of envKey when it is set and non-empty, else defValue.

Deprecated: use env.GetOrDefault for testable env access.

func RequiredEnv(envKey string) (string, error)

RequiredEnv returns the value of envKey or an error when it is unset or empty.

Deprecated: use env.Required for testable env access.

func RevokableSetenv(key, value string) (func() error, error)

RevokableSetenv sets key to value and returns a function that restores the previous value.

Deprecated: use env.Revokable for testable env access.

func RevokableSetenvs(envs map[string]string) (func() error, error)

RevokableSetenvs applies every entry in envs and returns a single function that restores all previous values.

Deprecated: use env.RevokableMany for testable env access.

func SetenvForFunction(key, value string, fn func()) error

SetenvForFunction sets key to value, invokes fn, and then restores the previous value. The restore runs even if fn panics.

Deprecated: use env.Scoped for testable env access.

func SetenvsForFunction(envs map[string]string, fn func()) error

SetenvsForFunction applies every entry in envs, invokes fn, and then restores all previous values. The restore runs even if fn panics.

Deprecated: use env.ScopedMany for testable env access.

func StringFlagOrEnv(flagValue *string, envKey string) string

StringFlagOrEnv returns *flagValue when it points to a non-empty string, else the value of envKey.

Deprecated: use env.FlagOrEnv for testable env access.