nanobowers / optimist_xl

An enhanced version of the Optimist rubygem

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optimist_xl's Issues

Separate Chronic use into a different file

per this issue: ManageIQ/optimist#76

Should pull chronic usage out of mainline so that it does not change default behavior of the Date option.

Users should now have to explicitly require chronic via:

require 'optimist_xl/chronic'

and then use type: :chronic_date or type: Chronic::Date for their opt.

config option support

Should support a method to load yaml config files - the file would set specific options so that users can bundle up a large command-line usage into a simpler my_script --config all_the_options.yaml

The config-file would have to be loaded first before parsing the other opts

Should support subcommands also via some hierarchical yaml.

Might need a early load mode so that it can affect the defaults?

optional args support

Would be nice to support an opt that can be given with/without arguments. Without arguments (or defaults), it would take on flag-like behavior.

opt :abc, "flag-or-str", :type => :stringflag

cmd             # opts[:log] == nil
cmd --abc       # opts[:log] == true
cmd --abc hello # opts[:log] == "hello"

One such case would be a "log" option that couldtake a default value (output.log) if enabled without an argument, but could have that value overridden
examples:

opt :log, "maybe-a-log", :type => :stringflag, :default => "output.log"

cmd                   # opts[:log] == nil
cmd --log             # opts[:log] == "output.log"
cmd --log another.log # opts[:log] == "another.log"

currently all options in Optimist are either flags (taking no args) or are of a type that take args. Supporting this feature may be difficult w/ the current codebase especially when taking into account how defaults should be handled, if no- args should be handled, what to do with multi and/or array types.

subcommand integration

integrate native subcommand support based on https://github.com/jwliechty/trollop-subcommands

option aliasing

optalias method to alias one or more option name to another - helps for deprecated options, etc.