optimize Pacman.lua
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@ -1,4 +1,3 @@
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local _CR = require 'CR'
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local Widget = require 'Widget'
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local Text = require 'Text'
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local Line = require 'Line'
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@ -6,6 +5,19 @@ local TextColumn = require 'TextColumn'
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local util = require 'util'
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local schema = require 'default_patterns'
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local PACMAN_TABLE = {
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'pacman -Qq',
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'pacman -Qeq',
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'pacman -Quq',
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'pacman -Qdtq',
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'pacman -Qmq'
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}
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local _INITIAL_PGK_CNT_ = {}
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for i, cmd in pairs(PACMAN_TABLE) do
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_INITIAL_PGK_CNT_[i] = util.line_count(util.execute_cmd(cmd))
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end
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local _TEXT_SPACING_ = 20
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local header = Widget.Header{
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@ -31,27 +43,19 @@ local info = Widget.TextColumn{
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spacing = _TEXT_SPACING_,
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x_align = 'right',
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text_color = schema.blue,
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num_rows = 5,
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unpack(_INITIAL_PGK_CNT_)
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}
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Widget = nil
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schema = nil
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_TEXT_SPACING_ = nil
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_INITIAL_PGK_CNT_ = nil
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local update = function(cr)
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local _execute_cmd = util.execute_cmd
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local _line_count = util.line_count
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TextColumn.set(info, cr, 1, _line_count(_execute_cmd('pacman -Q')))
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TextColumn.set(info, cr, 2, _line_count(_execute_cmd('pacman -Qe')))
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TextColumn.set(info, cr, 3, _line_count(_execute_cmd('pacman -Qu')))
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TextColumn.set(info, cr, 4, _line_count(_execute_cmd('pacman -Qdt')))
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TextColumn.set(info, cr, 5, _line_count(_execute_cmd('pacman -Qm')))
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for i, cmd in pairs(PACMAN_TABLE) do
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TextColumn.set(info, cr, i, util.line_count(util.execute_cmd(cmd)))
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end
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end
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update(_CR)
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_CR = nil
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local draw = function(cr, current_interface, trigger)
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if trigger == 0 then update(cr) end
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