-r, --read-only  open notmuch database in read-only mode
-c FILENAME, --config=FILENAME
                 configuration file (default: ~/.config/alot/config)
-n FILENAME, --notmuch-config=FILENAME
                 notmuch configuration file (default: $NOTMUCH_CONFIG
                 or ~/.notmuch-config)
-C COLOURS, --colour-mode=COLOURS
                 number of colours to use on the terminal; must be 1, 16 or 256
                 (default: configuration option `colourmode` or 256)
-p PATH, --mailindex-path=PATH
                 path to notmuch index
-d LEVEL, --debug-level=LEVEL
                 debug level; must be one of debug, info, warning or error
                 (default: info)
-l FILENAME, --logfile=FILENAME
                 log file (default: /dev/null)
-h, --help       display help and exit
-v, --version    output version information and exit