125 lines
2.4 KiB
Ruby
Executable File
125 lines
2.4 KiB
Ruby
Executable File
#!/usr/bin/env ruby
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# frozen_string_literal: true
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#
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# list_running_app_ids
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#
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###
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### dependencies
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###
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require "open3"
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require "set"
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require "io/console"
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###
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### globals
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###
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# rubocop:disable Style/GlobalVars
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$opt_test = nil
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$COLUMNS = IO.console.winsize.last
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###
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### methods
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###
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def check_ruby
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return if RUBY_VERSION.to_f >= 2.0
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print "You are currently using Ruby ", RUBY_VERSION, ", but version 2.0 or above is required."
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exit 1
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end
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def usage
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<<~EOS
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list_running_app_ids [ -t <bundle-id> ]
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Print a list of currently running Applications and associated
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Bundle IDs, which may be useful in a Cask uninstall stanza, eg
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uninstall quit: 'bundle.id.goes.here'
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Applications attributed to Apple are excluded from the output.
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With optional "-t <bundle-id>", silently test if a given app
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is running, exiting with an error code if not.
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See CONTRIBUTING.md for more information.
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EOS
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end
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def process_args
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until ARGV.empty?
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if ARGV.first =~ /^-+t(?:est)?$/ && ARGV.length > 1
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ARGV.shift
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$opt_test = ARGV.shift
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elsif /^-+h(?:elp)?$/.match?(ARGV.first)
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puts usage
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exit 0
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else
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puts usage
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exit 1
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end
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end
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end
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def load_apps
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out, err, status =
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Open3.capture3("/usr/bin/osascript", "-e",
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'tell application "System Events" to get (name, bundle identifier, unix id) of every process')
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if status.exitstatus.positive?
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puts err
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exit status.exitstatus
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end
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out = out.split(", ")
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one_third = out.length / 3
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@app_names = out.shift(one_third)
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@bundle_ids = out.shift(one_third)
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@unix_ids = out.shift(one_third)
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end
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def test_app(bundle)
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@bundle_ids.include?(bundle) ? 0 : 1
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end
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def excluded_bundle_id(bundle_id)
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/^com\.apple\./.match(bundle_id)
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end
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def excluded_app_name(app_name)
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/^osascript$/.match(app_name) # this script itself
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end
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def report_apps
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running = Set.new
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@app_names.zip(@bundle_ids, @unix_ids).each do |app_name, bundle_id, _unix_id|
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next if excluded_bundle_id bundle_id
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next if excluded_app_name app_name
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bundle_id.gsub!(/^(missing value)$/, '<\1>')
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running.add "#{bundle_id.ljust($COLUMNS / 2)}\t#{app_name}"
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end
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puts "#{"bundle_id".ljust($COLUMNS / 2)}\tapp_name"
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puts "-" * $COLUMNS
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puts running.to_a.sort.join "\n"
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end
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###
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### main
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###
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check_ruby
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process_args
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load_apps
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if $opt_test
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exit test_app($opt_test)
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else
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report_apps
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end
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# rubocop:enable Style/GlobalVars
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