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feat(health): report ulimit info

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Problem:
Nvim shows `(libuv) kqueue(): Too many open files` on macos.
ref https://github.com/neovim/neovim/issues/40238

Solution:
Add a healthcheck for this situation.
This commit is contained in:
Justin M. Keyes
2026-06-30 21:33:32 +02:00
parent d253acca35
commit 34efdadb4e
6 changed files with 143 additions and 84 deletions
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50
runtime/lua/vim/_meta/options.gen.lua generated
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@@ -7023,24 +7023,20 @@ vim.o.sua = vim.o.suffixesadd
vim.bo.suffixesadd = vim.o.suffixesadd
vim.bo.sua = vim.bo.suffixesadd
--- Use a swapfile for the buffer. This option can be reset when a
--- swapfile is not wanted for a specific buffer. For example, with
--- confidential information that even root must not be able to access.
--- Careful: All text will be in memory:
--- - Don't use this for big files.
--- - Recovery will be impossible!
--- A swapfile will only be present when 'updatecount' is non-zero and
--- 'swapfile' is set.
--- When 'swapfile' is reset, the swap file for the current buffer is
--- immediately deleted. When 'swapfile' is set, and 'updatecount' is
--- non-zero, a swap file is immediately created.
--- Also see `swap-file`.
--- If you want to open a new buffer without creating a swap file for it,
--- use the `:noswapfile` modifier.
--- See 'directory' for where the swap file is created.
--- Use a `swap-file` for the buffer (if 'updatecount' is non-zero). The
--- 'directory' option decides where swapfiles are stored.
---
--- This option is used together with 'bufhidden' and 'buftype' to
--- specify special kinds of buffers. See `special-buffers`.
--- To open a new buffer without creating a swapfile, use `:noswapfile`.
--- To disable for an existing buffer, reset its 'swapfile' option.
--- Careful:
--- - Recovery will be impossible!
--- - The entire file will be in memory.
---
--- When reset, the swapfile for the current buffer is immediately
--- deleted. When re-enabled (and 'updatecount' is non-zero), a swapfile
--- is immediately created.
---
--- Used with 'bufhidden' and 'buftype' to specify `special-buffers`.
---
--- @type boolean
vim.o.swapfile = true
@@ -7702,17 +7698,15 @@ vim.o.ur = vim.o.undoreload
vim.go.undoreload = vim.o.undoreload
vim.go.ur = vim.go.undoreload
--- After typing this many characters the swap file will be written to
--- disk. When zero, no swap file will be created at all (see chapter on
--- recovery `crash-recovery`). 'updatecount' is set to zero by starting
--- Vim with the "-n" option, see `startup`. When editing in readonly
--- mode this option will be initialized to 10000.
--- The swapfile can be disabled per buffer with 'swapfile'.
--- When 'updatecount' is set from zero to non-zero, swap files are
--- created for all buffers that have 'swapfile' set. When 'updatecount'
--- is set to zero, existing swap files are not deleted.
--- This option has no meaning in buffers where 'buftype' is "nofile" or
--- "nowrite".
--- The `swap-file` will be written after typing this many characters.
---
--- - Ignored in buffers where 'buftype' is "nofile" or "nowrite".
--- - Initialized to 10000 when editing in readonly `-R` mode.
--- - To disable swapfiles per-buffer, unset the 'swapfile' option.
--- - To disable swapfiles globally, set this option to zero (or start
--- with `-n`). See `crash-recovery`. Existing swapfiles are not deleted.
--- - When re-enabled (from zero to non-zero), swapfiles are created for
--- all buffers that have 'swapfile' set.
---
--- @type integer
vim.o.updatecount = 200