cmd/geth, internal/flags, go.mod: colorize cli help, support env vars#28103

Merged

karalabe merged 2 commits intoethereum:masterfrom karalabe:cli-env-vars

Sep 14, 2023

+76-15

Commits on Sep 13, 2023

cmd/geth, internal/flags, go.mod: colorize cli help, support env vars
karalabe
committed

Commits on Sep 14, 2023

internal/flags: use stdout, not stderr for terminal detection
karalabe
committed