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fix(messages): truncate warning messages only in display (#38901)

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For now, add a private "_truncate" flag to nvim_echo, using a truncation
method similar to showmode().

(cherry picked from commit 9c5fba5df0)
This commit is contained in:
zeertzjq
2026-04-09 12:11:32 +08:00
committed by github-actions[bot]
parent ed47b27ad4
commit 1b36b75832
9 changed files with 117 additions and 22 deletions
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35
test/functional/lua/vim_spec.lua
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@@ -134,18 +134,20 @@ describe('lua stdlib', function()
describe(('vim.deprecate prerel=%s,'):format(prerel or 'nil'), function()
local curver --- @type {major:number, minor:number}
local curstr --- @type string
local nextver --- @type string
before_each(function()
curver = exec_lua('return vim.version()')
-- "0.10" or "0.10-dev+xxx"
curstr = ('%s.%s%s'):format(curver.major, curver.minor, prerel or '')
-- "0.10" or "0.11"
nextver = ('%s.%s'):format(curver.major, curver.minor + (prerel and 0 or 1))
end)
it('plugin=nil, same message skipped', function()
-- "0.10" or "0.10-dev+xxx"
local curstr = ('%s.%s%s'):format(curver.major, curver.minor, prerel or '')
eq(
([[foo.bar() is deprecated. Run ":checkhealth vim.deprecated" for more information]]):format(
curstr
),
[[foo.bar() is deprecated. Run ":checkhealth vim.deprecated" for more information]],
exec_lua('return vim.deprecate(...)', 'foo.bar()', 'zub.wooo{ok=yay}', curstr)
)
-- Same message as above; skipped this time.
@@ -160,19 +162,26 @@ describe('lua stdlib', function()
end)
it('plugin=nil, show error if hard-deprecated', function()
-- "0.10" or "0.11"
local nextver = ('%s.%s'):format(curver.major, curver.minor + (prerel and 0 or 1))
local was_removed = prerel and 'was removed' or 'will be removed'
eq(
dedent(
[[
foo.hard_dep() is deprecated. Run ":checkhealth vim.deprecated" for more information]]
):format(was_removed, nextver),
[[foo.hard_dep() is deprecated. Run ":checkhealth vim.deprecated" for more information]],
exec_lua('return vim.deprecate(...)', 'foo.hard_dep()', 'vim.new_api()', nextver)
)
end)
it('plugin=nil, message is only truncated in display #38841', function()
local screen = Screen.new(50, 10)
exec_lua('vim.deprecate(...)', 'foo.bar()', 'zub.wooo{ok=yay}', curstr)
screen:expect([[
^ |
{1:~ }|*8
{19:foo.bar() is deprecated. Run ":checkhealth vim.dep}|
]])
eq(
[[foo.bar() is deprecated. Run ":checkhealth vim.deprecated" for more information]],
n.exec_capture('messages')
)
end)
it('plugin specified', function()
-- When `plugin` is specified, don't show ":help deprecated". #22235
eq(