129 lines
3.8 KiB
Ruby
129 lines
3.8 KiB
Ruby
# typed: strict
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# frozen_string_literal: true
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require "abstract_command"
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require "fileutils"
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require "stringio"
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require "formula"
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require "cask/download"
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require "unpack_strategy"
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module Homebrew
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module DevCmd
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class Unpack < AbstractCommand
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include FileUtils
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cmd_args do
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description <<~EOS
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Unpack the files for the <formula> or <cask> into subdirectories of the current
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working directory.
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EOS
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flag "--destdir=",
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description: "Create subdirectories in the directory named by <path> instead."
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switch "--patch",
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description: "Patches for <formula> will be applied to the unpacked source."
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switch "-g", "--git",
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description: "Initialise a Git repository in the unpacked source. This is useful for creating " \
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"patches for the software."
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switch "-f", "--force",
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description: "Overwrite the destination directory if it already exists."
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switch "--formula", "--formulae",
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description: "Treat all named arguments as formulae."
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switch "--cask", "--casks",
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description: "Treat all named arguments as casks."
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conflicts "--git", "--patch"
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conflicts "--formula", "--cask"
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conflicts "--cask", "--patch"
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conflicts "--cask", "--git"
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named_args [:formula, :cask], min: 1
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end
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sig { override.void }
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def run
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formulae_and_casks = if args.casks?
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args.named.to_formulae_and_casks(only: :cask)
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elsif args.formulae?
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args.named.to_formulae_and_casks(only: :formula)
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else
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args.named.to_formulae_and_casks
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end
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if (dir = args.destdir)
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unpack_dir = Pathname.new(dir).expand_path
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unpack_dir.mkpath
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else
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unpack_dir = Pathname.pwd
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end
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odie "Cannot write to #{unpack_dir}" unless unpack_dir.writable?
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formulae_and_casks.each do |formula_or_cask|
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if formula_or_cask.is_a?(Cask::Cask)
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unpack_cask(formula_or_cask, unpack_dir)
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elsif (formula = T.cast(formula_or_cask, Formula))
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unpack_formula(formula, unpack_dir)
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end
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end
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end
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private
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sig { params(formula: Formula, unpack_dir: Pathname).void }
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def unpack_formula(formula, unpack_dir)
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stage_dir = unpack_dir/"#{formula.name}-#{formula.version}"
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if stage_dir.exist?
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odie "Destination #{stage_dir} already exists!" unless args.force?
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rm_rf stage_dir
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end
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oh1 "Unpacking #{Formatter.identifier(formula.full_name)} to: #{stage_dir}"
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# show messages about tar
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with_env VERBOSE: "1" do
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formula.brew do
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formula.patch if args.patch?
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cp_r getwd, stage_dir, preserve: true
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end
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end
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return unless args.git?
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ohai "Setting up Git repository"
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cd(stage_dir) do
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system "git", "init", "-q"
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system "git", "add", "-A"
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system "git", "commit", "-q", "-m", "brew-unpack"
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end
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end
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sig { params(cask: Cask::Cask, unpack_dir: Pathname).void }
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def unpack_cask(cask, unpack_dir)
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stage_dir = unpack_dir/"#{cask.token}-#{cask.version}"
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if stage_dir.exist?
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odie "Destination #{stage_dir} already exists!" unless args.force?
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rm_rf stage_dir
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end
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oh1 "Unpacking #{Formatter.identifier(cask.full_name)} to: #{stage_dir}"
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download = Cask::Download.new(cask, quarantine: true)
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downloaded_path = if download.downloaded?
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download.cached_download
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else
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download.fetch(quiet: false)
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end
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stage_dir.mkpath
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UnpackStrategy.detect(downloaded_path).extract_nestedly(to: stage_dir, verbose: true)
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end
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end
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end
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end
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