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awful.tag.update: Fix identical tag set detection 

If the "current" table is empty, then identical always true.
There is a lot of case where this can happen. Mostly when using
dynamic tagging.
This commit is contained in:
Emmanuel Lepage Vallee 2014-10-13 15:00:09 -04:00
parent d76e20bbce
commit 6d20094c15
1 changed files with 7 additions and 5 deletions
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4
lib/awful/tag.lua.in
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@ -178,13 +178,15 @@ function tag.history.update(obj)
else else
if data.history[s].current then if data.history[s].current then
-- Check that the list is not identical -- Check that the list is not identical
local identical = true local identical = #data.history[s].current == #curtags
if identical then
for idx, _tag in ipairs(data.history[s].current) do for idx, _tag in ipairs(data.history[s].current) do
if curtags[idx] ~= _tag then if curtags[idx] ~= _tag then
identical = false identical = false
break break
end end
end end
end
-- Do not update history the table are identical -- Do not update history the table are identical
if identical then return end if identical then return end