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fix(inccommand): don't save information of a buffer twice (#24501)

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Problem:    'inccommand' doesn't restore 'undolevels' properly for a
            buffer shown in multiple windows.
Solution:   Don't save information of a buffer twice.
This commit is contained in:
zeertzjq
2023-07-28 15:41:58 +08:00
committed by GitHub
parent df2f5e3912
commit c1c2a1b5dd
2 changed files with 21 additions and 13 deletions
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5
test/functional/ui/inccommand_spec.lua
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@@ -174,9 +174,12 @@ describe(":substitute, 'inccommand' preserves", function()
it("'undolevels' (inccommand="..case..")", function()
feed_command("set undolevels=139")
feed_command("setlocal undolevels=34")
feed_command("split") -- Show the buffer in multiple windows
feed_command("set inccommand=" .. case)
insert("as")
feed(":%s/as/glork/<enter>")
feed(":%s/as/glork/")
poke_eventloop()
feed("<enter>")
eq(meths.get_option_value('undolevels', {scope='global'}), 139)
eq(meths.get_option_value('undolevels', {buf=0}), 34)
end)