forked from Homebrew/brew
/
desc.rb
66 lines (55 loc) 路 1.84 KB
/
desc.rb
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# typed: false
# frozen_string_literal: true
require "descriptions"
require "search"
require "description_cache_store"
require "cli/parser"
module Homebrew
extend T::Sig
module_function
extend Search
sig { returns(CLI::Parser) }
def desc_args
Homebrew::CLI::Parser.new do
description <<~EOS
Display <formula>'s name and one-line description.
Formula descriptions are cached; the cache is created on the
first search, making that search slower than subsequent ones.
EOS
switch "-s", "--search",
description: "Search both names and descriptions for <text>. If <text> is flanked by "\
"slashes, it is interpreted as a regular expression."
switch "-n", "--name",
description: "Search just names for <text>. If <text> is flanked by slashes, it is "\
"interpreted as a regular expression."
switch "-d", "--description",
description: "Search just descriptions for <text>. If <text> is flanked by slashes, "\
"it is interpreted as a regular expression."
conflicts "--search", "--name", "--description"
named_args [:formula, :text_or_regex], min: 1
end
end
def desc
args = desc_args.parse
search_type = if args.search?
:either
elsif args.name?
:name
elsif args.description?
:desc
end
results = if search_type.nil?
desc = {}
args.named.to_formulae.each { |f| desc[f.full_name] = f.desc }
Descriptions.new(desc)
else
query = args.named.join(" ")
string_or_regex = query_regexp(query)
CacheStoreDatabase.use(:descriptions) do |db|
cache_store = DescriptionCacheStore.new(db)
Descriptions.search(string_or_regex, search_type, cache_store)
end
end
results.print
end
end