From 8d7870ae5e422ff64a1088f27abb296de48f19f6 Mon Sep 17 00:00:00 2001
From: Danielle McLean <dani@00dani.me>
Date: Sat, 28 Oct 2023 13:33:07 +1100
Subject: [PATCH] Nicer message when not all LSPs are installed

---
 dot-config/vim/lsp.vim | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/dot-config/vim/lsp.vim b/dot-config/vim/lsp.vim
index 3cfdbfa..c0e9b29 100644
--- a/dot-config/vim/lsp.vim
+++ b/dot-config/vim/lsp.vim
@@ -153,8 +153,17 @@ export def Configure(): void
 	# modify the dicts it gets, rather than making a fresh copy to mess with.
 	final installedServers = InstalledServers()
 	if len(lspServers) != len(installedServers)
-		echo $'{len(lspServers) - len(installedServers)} language servers are configured, but not installed. You may want to run :LspInstall.'
+		# Since this code runs during Vim initialisation, this message would
+		# normally pause Vim's startup so the user can read it. We don't want
+		# that, so we're gonna delay it using an autocmd.
+		const missingCount = len(lspServers) - len(installedServers)
+		const warn = $'{missingCount} language server{missingCount > 1 ? "s are" : " is"} configured, but not installed. You may want to run :LspInstall.'
+		augroup dot/vim/lsp.vim
+			autocmd!
+			exe $'autocmd VimEnter * ++once echo "{escape(warn, '"\\')}"'
+		augroup END
 	endif
+
 	g:lsp#lsp#AddServer(installedServers)
 	g:lsp#options#OptionsSet(lspOptions)
 enddef