65 lines
1.9 KiB
Ruby
65 lines
1.9 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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module Homebrew
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module DevCmd
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class Cat < AbstractCommand
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include FileUtils
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cmd_args do
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description <<~EOS
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Display the source of a <formula> or <cask>.
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EOS
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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 "--formula", "--cask"
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named_args [:formula, :cask], min: 1, without_api: true
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end
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sig { override.void }
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def run
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cd HOMEBREW_REPOSITORY do
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pager = if Homebrew::EnvConfig.bat?
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ENV["BAT_CONFIG_PATH"] = Homebrew::EnvConfig.bat_config_path
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ENV["BAT_THEME"] = Homebrew::EnvConfig.bat_theme
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require "formula"
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Formula["bat"].ensure_installed!(
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reason: "displaying <formula>/<cask> source",
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# The user might want to capture the output of `brew cat ...`
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# Redirect stdout to stderr
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output_to_stderr: true,
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).opt_bin/"bat"
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else
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"cat"
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end
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args.named.to_paths.each do |path|
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next path if path.exist?
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path = path.basename(".rb") if args.cask?
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ofail "#{path}'s source doesn't exist on disk."
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end
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if Homebrew.failed?
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$stderr.puts "The name may be wrong, or the tap hasn't been tapped. Instead try:"
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treat_as = "--cask " if args.cask?
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treat_as = "--formula " if args.formula?
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$stderr.puts " brew info --github #{treat_as}#{args.named.join(" ")}"
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return
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end
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safe_system pager, *args.named.to_paths
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end
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end
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end
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end
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end
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