claptrap 0.3.0

Bring the power of Clap to shell scripts.
Documentation 
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#!/usr/bin/env fish

if not command -q claptrap
    echo "claptrap command not found. Please install it first, see https://claptrap.sh for instructions."
    exit 1
end

eval (claptrap --spec {{spec}} --output-format fish -- $argv | string collect)

{% macro dump_arg(arg) -%}
{% if arg.multiple %}
for i in (seq (count ${{ arg.name }}))
  echo "{{ arg.name }}[$i]: ${{ arg.name }}[$i]"
end
{% else %}
echo "{{ arg.name }}: ${{ arg.name }}"
{% endif %}
{% endmacro -%}

{% if values.subcommands|length == 0 %}
{% for arg in values.args %}
if set -q {{ arg.name }}
{{ dump_arg(arg)|indent(2, true) }}
end
{% endfor %}
{% else %}
if not set -q claptrap__subcommand
  {% if values.args|length > 0 %}
  {% for arg in values.args %}
  if set -q {{ arg.name }}
{{ dump_arg(arg)|indent(4, true) }}
  end
  {% endfor %}
  {% else %}
  :
  {% endif %}
else
  echo "claptrap__subcommand: $claptrap__subcommand"
  switch $claptrap__subcommand
    {% for sub in values.subcommands %}
    case "{{ sub.name }}"
      {% for arg in sub.args %}
      if set -q {{ arg.name }}
{{ dump_arg(arg)|indent(6, true) }}
      end
      {% endfor %}
    {% endfor %}
  end
end
{% endif %}