usage-lib 2.0.6

Library for working with usage specs
Documentation 
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{%- if spec.about_long %}{{ spec.about_long }}

{% elif spec.about %}{{ spec.about }}

{% endif %}
Usage: {{ spec.bin ~ " " ~ cmd.usage | trim }}

{%- if cmd.subcommands %}

Commands:
{%- for name, cmd in cmd.subcommands %}
  {{ cmd.usage | trim }}
{%- if cmd.aliases %} [aliases: {{ cmd.aliases | join(sep=", ") }}]{% endif %}
{%- set help = cmd.help_long | default(value=cmd.help | default(value='')) %}
{%- if help %}
    {{ help | indent(width=4) }}
{%- endif %}
{% endfor %}
  help
    Print this message or the help of the given subcommand(s)
{%- endif %}

{%- if cmd.args %}

Arguments:
{%- for arg in cmd.args %}
  {{ arg.usage | trim }}
{%- set help = arg.help_long | default(value=arg.help | default(value='')) %}
{%- if help %}
    {{ help | indent(width=2) }}
{%- endif %}
{%- if arg.choices %}
    [possible values: {{ arg.choices.choices | join(sep=", ") }}]
{%- endif %}
{%- endfor %}
{%- endif %}

{%- if cmd.flags %}

Flags:
{%- for flag in cmd.flags %}
  {{ flag.usage | trim }}
{%- if flag.aliases %}  [aliases: {{ flag.aliases | join(sep=", ") }}]{% endif %}
{%- set help = flag.help_long | default(value=flag.help | default(value='')) %}
{%- if help %}
    {{ help | indent(width=2) }}
{%- endif %}
{%- if flag.arg.choices %}
    [possible values: {{ flag.arg.choices.choices | join(sep=", ") }}]
{%- endif %}
{%- endfor %}
{%- endif -%}