2018-11-14 13:11:54 +05:30

121 lines
4.3 KiB
Ruby

#: * `uses` [`--installed`] [`--recursive`] [`--include-build`] [`--include-test`] [`--include-optional`] [`--skip-recommended`] [`--devel`|`--HEAD`] <formulae>:
#: Show the formulae that specify <formulae> as a dependency. When given
#: multiple formula arguments, show the intersection of formulae that use
#: <formulae>.
#:
#: Use `--recursive` to resolve more than one level of dependencies.
#:
#: If `--installed` is passed, only list installed formulae.
#:
#: By default, `uses` shows all formulae that specify <formulae> as a required
#: or recommended dependency. To include the `:build` type dependencies, pass
#: `--include-build`, to include the `:test` type dependencies, pass
#: `--include-test` and to include `:optional` dependencies pass
#: `--include-optional`. To skip `:recommended` type dependencies, pass
#: `--skip-recommended`.
#:
#: By default, `uses` shows usage of <formulae> by stable builds. To find
#: cases where <formulae> is used by development or HEAD build, pass
#: `--devel` or `--HEAD`.
require "formula"
require "cli_parser"
# `brew uses foo bar` returns formulae that use both foo and bar
# If you want the union, run the command twice and concatenate the results.
# The intersection is harder to achieve with shell tools.
module Homebrew
module_function
def uses_args
Homebrew::CLI::Parser.new do
usage_banner <<~EOS
`uses` [<options>] <formulae>
Show the formulae that specify <formulae> as a dependency. When given
multiple formula arguments, show the intersection of formulae that use
<formulae>.
By default, `uses` shows all formulae that specify <formulae> as a required
or recommended dependency.
By default, `uses` shows usage of <formulae> by stable builds.
EOS
switch "--recursive",
description: "Resolve more than one level of dependencies."
switch "--installed",
description: "Only list installed formulae."
switch "--include-build",
description: "Include all formulae that specify <formulae> as `:build` type dependency."
switch "--include-test",
description: "Include all formulae that specify <formulae> as `:test` type dependency."
switch "--include-optional",
description: "Include all formulae that specify <formulae> as `:optional` type dependency."
switch "--skip-recommended",
description: "Skip all formulae that specify <formulae> as `:recommended` type dependency."
switch "--devel",
description: "Show usage of <formulae> by development build."
switch "--HEAD",
description: "Show usage of <formulae> by HEAD build."
switch :debug
end
end
def uses
uses_args.parse
raise FormulaUnspecifiedError if args.remaining.empty?
used_formulae_missing = false
used_formulae = begin
ARGV.formulae
rescue FormulaUnavailableError => e
opoo e
used_formulae_missing = true
# If the formula doesn't exist: fake the needed formula object name.
ARGV.named.map { |name| OpenStruct.new name: name, full_name: name }
end
formulae = args.installed? ? Formula.installed : Formula
recursive = args.recursive?
only_installed_arg = args.installed? &&
!args.include_build? &&
!args.include_test? &&
!args.include_optional? &&
!args.skip_recommended?
includes, ignores = argv_includes_ignores(ARGV)
uses = formulae.select do |f|
used_formulae.all? do |ff|
begin
deps = f.runtime_dependencies if only_installed_arg
deps ||= if recursive
recursive_includes(Dependency, f, includes, ignores)
else
reject_ignores(f.deps, ignores, includes)
end
deps.any? do |dep|
begin
dep.to_formula.full_name == ff.full_name
rescue
dep.name == ff.name
end
end
rescue FormulaUnavailableError
# Silently ignore this case as we don't care about things used in
# taps that aren't currently tapped.
next
end
end
end
return if uses.empty?
puts Formatter.columns(uses.map(&:full_name).sort)
odie "Missing formulae should not have dependents!" if used_formulae_missing
end
end