80d75bc0d8
Adjust the rules based on the current codebase. Remove various enable, disables and default values that are unnecessary. Add more comments explaining why. Make minor changes needed to enable a few more rules.
90 lines
2.9 KiB
Ruby
90 lines
2.9 KiB
Ruby
require "yaml"
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require "open3"
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require "stringio"
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BUG_REPORTS_URL = "https://github.com/Homebrew/homebrew-cask#reporting-bugs".freeze
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module Hbc
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module Utils
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def self.gain_permissions_remove(path, command: SystemCommand)
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if path.respond_to?(:rmtree) && path.exist?
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gain_permissions(path, ["-R"], command) do |p|
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if p.parent.writable?
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p.rmtree
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else
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command.run("/bin/rm",
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args: ["-r", "-f", "--", p],
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sudo: true)
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end
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end
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elsif File.symlink?(path)
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gain_permissions(path, ["-h"], command, &FileUtils.method(:rm_f))
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end
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end
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def self.gain_permissions(path, command_args, command)
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tried_permissions = false
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tried_ownership = false
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begin
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yield path
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rescue
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# in case of permissions problems
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unless tried_permissions
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# TODO: Better handling for the case where path is a symlink.
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# The -h and -R flags cannot be combined, and behavior is
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# dependent on whether the file argument has a trailing
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# slash. This should do the right thing, but is fragile.
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command.run("/usr/bin/chflags",
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must_succeed: false,
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args: command_args + ["--", "000", path])
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command.run("/bin/chmod",
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must_succeed: false,
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args: command_args + ["--", "u+rwx", path])
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command.run("/bin/chmod",
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must_succeed: false,
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args: command_args + ["-N", path])
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tried_permissions = true
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retry # rmtree
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end
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unless tried_ownership
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# in case of ownership problems
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# TODO: Further examine files to see if ownership is the problem
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# before using sudo+chown
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ohai "Using sudo to gain ownership of path '#{path}'"
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command.run("/usr/sbin/chown",
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args: command_args + ["--", current_user, path],
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sudo: true)
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tried_ownership = true
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# retry chflags/chmod after chown
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tried_permissions = false
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retry # rmtree
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end
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end
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end
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def self.current_user
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Etc.getpwuid(Process.euid).name
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end
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def self.path_occupied?(path)
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File.exist?(path) || File.symlink?(path)
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end
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def self.error_message_with_suggestions
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<<~EOS
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Follow the instructions here:
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#{Formatter.url(BUG_REPORTS_URL)}
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EOS
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end
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def self.method_missing_message(method, token, section = nil)
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poo = []
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poo << "Unexpected method '#{method}' called"
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poo << "during #{section}" if section
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poo << "on Cask #{token}."
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opoo(poo.join(" ") + "\n" + error_message_with_suggestions)
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end
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end
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end
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