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autocmd: rename "once" => "-once" #9713

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- Rename "nested" to "-nested", but continue to support "nested" for
  backwards-compatibility.
- Allow any order: "-once -nested" or "-nested -once".

ref https://github.com/neovim/neovim/pull/9706#issuecomment-471295747
This commit is contained in:
Justin M. Keyes
2019-03-11 21:01:47 +01:00
committed by GitHub
parent 3b63374b33
commit 9312e2d06a
6 changed files with 45 additions and 42 deletions
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20
test/functional/autocmd/autocmd_spec.lua
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@@ -59,9 +59,9 @@ describe('autocmd', function()
end)
end)
it('once', function() -- :help autocmd-once
it('-once', function() -- :help autocmd-once
--
-- ":autocmd ... once" executes its handler once, then removes the handler.
-- ":autocmd ... -once" executes its handler once, then removes the handler.
--
local expected = {
'Many1',
@@ -76,10 +76,10 @@ describe('autocmd', function()
}
command('let g:foo = []')
command('autocmd TabNew * :call add(g:foo, "Many1")')
command('autocmd TabNew * once :call add(g:foo, "Once1")')
command('autocmd TabNew * once :call add(g:foo, "Once2")')
command('autocmd TabNew * -once :call add(g:foo, "Once1")')
command('autocmd TabNew * -once :call add(g:foo, "Once2")')
command('autocmd TabNew * :call add(g:foo, "Many2")')
command('autocmd TabNew * once :call add(g:foo, "Once3")')
command('autocmd TabNew * -once :call add(g:foo, "Once3")')
eq(dedent([[
--- Autocommands ---
@@ -103,25 +103,25 @@ describe('autocmd', function()
funcs.execute('autocmd Tabnew'))
--
-- ":autocmd ... once" handlers can be deleted.
-- ":autocmd ... -once" handlers can be deleted.
--
expected = {}
command('let g:foo = []')
command('autocmd TabNew * once :call add(g:foo, "Once1")')
command('autocmd TabNew * -once :call add(g:foo, "Once1")')
command('autocmd! TabNew')
command('tabnew')
eq(expected, eval('g:foo'))
--
-- ":autocmd ... <buffer> once nested"
-- ":autocmd ... <buffer> -once -nested"
--
expected = {
'OptionSet-Once',
'CursorMoved-Once',
}
command('let g:foo = []')
command('autocmd OptionSet binary once nested :call add(g:foo, "OptionSet-Once")')
command('autocmd CursorMoved <buffer> once nested setlocal binary|:call add(g:foo, "CursorMoved-Once")')
command('autocmd OptionSet binary -nested -once :call add(g:foo, "OptionSet-Once")')
command('autocmd CursorMoved <buffer> -once -nested setlocal binary|:call add(g:foo, "CursorMoved-Once")')
command("put ='foo bar baz'")
feed('0llhlh')
eq(expected, eval('g:foo'))