114 lines
3.1 KiB
Ruby
114 lines
3.1 KiB
Ruby
class Hbc::Pkg
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def self.all_matching(regexp, command)
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command.run("/usr/sbin/pkgutil", args: ["--pkgs=#{regexp}"]).stdout.split("\n").map { |package_id|
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new(package_id.chomp, command)
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}
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end
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attr_reader :package_id
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def initialize(package_id, command = Hbc::SystemCommand)
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@package_id = package_id
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@command = command
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end
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def uninstall
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odebug "Deleting pkg files"
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pkgutil_bom_files.each_slice(500) do |file_slice|
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@command.run("/bin/rm", args: file_slice.unshift("-f", "--"), sudo: true)
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end
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odebug "Deleting pkg symlinks and special files"
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pkgutil_bom_specials.each_slice(500) do |file_slice|
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@command.run("/bin/rm", args: file_slice.unshift("-f", "--"), sudo: true)
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end
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odebug "Deleting pkg directories"
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_deepest_path_first(pkgutil_bom_dirs).each do |dir|
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next unless dir.exist? && !MacOS.undeletable?(dir)
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_with_full_permissions(dir) do
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_clean_broken_symlinks(dir)
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_clean_ds_store(dir)
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_rmdir(dir)
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end
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end
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forget
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end
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def forget
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odebug "Unregistering pkg receipt (aka forgetting)"
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@command.run!("/usr/sbin/pkgutil", args: ["--forget", package_id], sudo: true)
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end
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def pkgutil_bom(*type)
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@command.run!("/usr/sbin/pkgutil", args: [*type, "--files", package_id].compact)
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.stdout
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.split("\n")
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.map { |path| root.join(path) }
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end
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def pkgutil_bom_files
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@pkgutil_bom_files ||= pkgutil_bom("--only-files")
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end
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def pkgutil_bom_dirs
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@pkgutil_bom_dirs ||= pkgutil_bom("--only-dirs")
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end
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def pkgutil_bom_all
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@pkgutil_bom_all ||= pkgutil_bom
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end
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def pkgutil_bom_specials
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pkgutil_bom_all - pkgutil_bom_files - pkgutil_bom_dirs
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end
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def root
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@root ||= Pathname(info.fetch("volume")).join(info.fetch("install-location"))
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end
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def info
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@command.run!("/usr/sbin/pkgutil", args: ["--pkg-info-plist", package_id])
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.plist
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end
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def _rmdir(path)
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@command.run!("/bin/rmdir", args: ["--", path], sudo: true) if path.children.empty?
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end
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def _with_full_permissions(path)
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original_mode = (path.stat.mode % 0o1000).to_s(8)
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# TODO: similarly read and restore macOS flags (cf man chflags)
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@command.run!("/bin/chmod", args: ["--", "777", path], sudo: true)
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yield
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ensure
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if path.exist? # block may have removed dir
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@command.run!("/bin/chmod", args: ["--", original_mode, path], sudo: true)
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end
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end
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def _deepest_path_first(paths)
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paths.sort do |path_a, path_b|
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path_b.to_s.split("/").count <=> path_a.to_s.split("/").count
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end
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end
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# Some pkgs leave broken symlinks hanging around; we clean them out before
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# attempting to rmdir to prevent extra cruft from lying around after
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# uninstall
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def _clean_broken_symlinks(dir)
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dir.children.each do |child|
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if _broken_symlink?(child)
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@command.run!("/bin/rm", args: ["--", child], sudo: true)
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end
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end
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end
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def _clean_ds_store(dir)
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ds_store = dir.join(".DS_Store")
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@command.run!("/bin/rm", args: ["--", ds_store], sudo: true) if ds_store.exist?
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end
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def _broken_symlink?(path)
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path.symlink? && !path.exist?
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end
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end
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