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CHANGELOG.md

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Changelog

0.7.1 (2020-07-08)

Tested with Lua 5.4

New features

  • Hidden aliases can be added to an option or command by setting the hidden_name property

0.7.0 (2019-08-14)

The repository has been moved to a new location.

New features

  • Added support for generating shell completion scripts for Bash, Zsh, and Fish using the Parser methods :get_bash_complete(), :get_zsh_complete(), and :get_fish_complete(). The Parser methods :add_complete() and :add_complete_command() add a --completion option or completion command to the parser.
  • Added :add_help_command() method to Parser and Command objects. The help command shows help for the specified subcommand.
  • Added choices option and argument property for specifying a set of acceptable values for the argument.
  • Added summary command property for specifying the description shown in the parent parser's help message.

Improvements

  • The location of the help flag in usage and help messages is now determined by when it is added to the parser, rather than always being the last option. By default it is now the first option.

0.6.0 (2018-04-13)

New features

  • An array of functions can now be used as the value of converter property, so that multi-argument options can use different conversion rules for different arguments (#14).
  • Mutexes can now include positional arguments (#11).
  • Added hidden property for arguments, options and commands, removing them from the autogenerated usage and help strings.
  • Added :group(name, ...) method to Parser and Command objects, allowing custom grouping of arguments, options, and commands in autogenerated help string.
  • Added help_vertical_space property for configuring number of extra newlines between help strings for different arguments and options in autogenerated help string.
  • Added usage_margin and usage_max_width properties for configuring usage string autogeneration.
  • Added help_usage_margin and help_description_margin properties for configuring help string autogeneration.
  • Added help_max_width property. If set, descriptions in help string are automatically wrapped to fit into given number of columns.
  • Argparse version is now available as argparse.version.

Improvements

  • -- can now be used as a normal option name, with arguments after -- always passed to it verbatim (#17).
  • When generating help messages for options with arguments and multiple aliases, usage strings for different aliases are put on separate lines and vertically aligned (#15).

0.5.0 (2015-12-09)

New features

  • Actions can now be used to implement custom processing logic.
  • Added actions for arguments.
  • Added string aliases for actions such as store_false.
  • Command actions are now called after the parsing, with result target as the argument.
  • Added command_target property for storing name of used command.

Improvements

  • Improved error messages on missing arguments.
  • -f123 is now interpreted as -f 123 when -f takes an optional argument.

0.4.1 (2015-08-08)

Miscellaneous

  • Added license header to argparse.lua for ease of bundling and packaging (#3).

0.4.0 (2015-06-20)

Breaking changes

  • Removed aliases property, aliases can now be set using several space separated strings as name, or, as it was possible before, by setting name property several times.

New features

  • Added handle_options property (#2).
  • Often used properties now can be passed as arguments when calling or constructing an element.

Improvements

  • Cleaned up trailing whitespace in generated messages.

0.3.2 (2015-01-15)

Miscellaneous

  • Argparse no longer bundles 30log.

0.3.1 (2014-11-06)

Fixes

  • Fixed incompatibility with old Luarocks versions.

0.3.0 (2014-08-25)

New features

  • New show_default field disables automatic indication of default values in help messages.

Improvements

  • In default targets - is now replaced with _.
  • Changed usage message generation to show options taking variable number of arguments after positional arguments.

Fixes

  • Fixed incompatibility with strict.lua and other checkers (#1).

0.2.0 (2014-03-09)

New features

  • Added mutually exclusive groups.
  • Options and arguments can now be configured to use different argument placeholders for first, second, etc. arguments. E.g. --pair <key> <value>.

Fixes

  • Fixed script name inference not working for Parser:get_help() and Parser:get_usage() methods.

0.1.0 (2014-03-02)

Initial release.