40 lines
1.6 KiB
Lua
40 lines
1.6 KiB
Lua
---------------------------------------------------
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-- Licensed under the GNU General Public License v2
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-- * (c) 2010, Adrian C. <anrxc@sysphere.org>
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-- * (c) 2009, Lucas de Vries <lucas@glacicle.com>
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---------------------------------------------------
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-- {{{ Grab environment
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local tonumber = tonumber
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local helpers = require"vicious.helpers"
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local spawn = require"vicious.spawn"
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-- }}}
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-- Mebibyte and gibibyte respectively, because backward compatibility
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local UNIT = { mb = 1024, gb = 1024^2 }
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-- FS: provides file system disk space usage
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-- vicious.widgets.fs
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return helpers.setasyncall{
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async = function(format, warg, callback)
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local fs_info = {} -- Get data from df
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spawn.with_line_callback_with_shell(
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warg and "LC_ALL=C df -kP" or "LC_ALL=C df -klP",
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{ stdout = function (line)
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-- (1024-blocks) (Used) (Available) (Capacity)% (Mounted on)
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local s, u, a, p, m = line:match(
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"^.-%s+(%d+)%s+(%d+)%s+(%d+)%s+(%d+)%%%s+([%p%w]+)")
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if u and m then -- Handle 1st line and broken regexp
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helpers.uformat(fs_info, m .. " size", s, UNIT)
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helpers.uformat(fs_info, m .. " used", u, UNIT)
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helpers.uformat(fs_info, m .. " avail", a, UNIT)
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fs_info["{" .. m .. " used_p}"] = tonumber(p)
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fs_info["{" .. m .. " avail_p}"] = 100 - tonumber(p)
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end
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end,
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output_done = function () callback(fs_info) end })
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end }
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