# cabal info
Config file path source is commandline option.
Error: cabal: Config file not found: does.not.exist
(Config files can be created via the cabal-command 'user-config init'.)
# cabal info
Config file path source is environment variable CABAL_CONFIG.
Error: cabal: Config file not found: absent.file
(Config files can be created via the cabal-command 'user-config init'.)