feat(cmdline): skip auto-completion for :find and :grep args

Their argument is a search pattern, not a file to complete eagerly.
For the find family a `**` pattern recursively walks the tree and
hangs on each keystroke in large directories. `<Tab>` still completes
on demand, and the recursive `**4` path entry is dropped.

1 files changed, 7 insertions, 7 deletions

diff --git a/plugin/50-autocompletion.lua b/plugin/50-autocompletion.lua
index 1960871..160c75d 100644
--- a/plugin/50-autocompletion.lua
+++ b/plugin/50-autocompletion.lua
@@ -47,13 +47,17 @@ local function c_accept_selection_or_dismiss()
 	return "<C-y>"
 end
 
--- Show the command-line completion menu automatically.
--- Except for `:grep` commands (`:grep`, `:vimgrep`, their `add` and location-list variants).
+-- Show the command-line completion menu automatically, except in the argument of grep-family
+-- (`:grep`, `:vimgrep`, their `add` and location-list variants) and find-family (`:find`, `:sfind`,
+-- `:tabfind`) commands. Their argument is a search pattern, not a file to complete eagerly: for the
+-- find family a `**` pattern recursively walks the tree and hangs on each keystroke in large
+-- directories. Complete these on demand with `<Tab>` instead.
 local function trigger_wildmenu()
 	if vim.fn.getcmdtype() == ":" then
 		-- A command word followed by a delimiter (space, `/`, …) means we are past it, into the args.
 		local cmd = vim.fn.getcmdline():match("^%s*(%a+)%A")
-		if cmd and vim.fn.fullcommand(cmd):find("grep", 1, true) then
+		cmd = cmd and vim.fn.fullcommand(cmd)
+		if cmd and (cmd:find("grep", 1, true) or cmd:find("find", 1, true)) then
 			if vim.fn.cmdcomplete_info().pum_visible == 1 then
 				vim.api.nvim_feedkeys(vim.keycode("<C-e>"), "n", false)
 			end
@@ -85,10 +89,6 @@ vim.opt.wildoptions = { "exacttext", "pum", "tagfile", "fuzzy" }
 --[[ Completion modes triggered in order by `wildtrigger()` or `wildchar`: list matches without
 inserting (`noselect`), then list matches and insert the first full match (`full`). ]]
 vim.opt.wildmode = { "noselect", "full" }
--- Search recursively under the current directory so `:find` matches files in any subdirectory.
--- `:find` globs the tree synchronously with no timeout, so cap the depth (`**4`): the default `**`
--- depth of 30 walks all of `$HOME` when run from there and hangs.
-vim.opt.path:append("**4")
 
 ----------------------------------------------------------------------------------------------------
 -- Autocommands ------------------------------------------------------------------------------------