[nvim] Add configuration for easy Revise reloading of LanguageServer.jl

.config/nvim/init.vim

@@ -69,10 +69,13 @@ local on_attach = function(client, bufnr)
 end
 
 -- Julia LSP (LanguageServer.jl)
+local REVISE_LANGUAGESERVER = false
 require'lspconfig'.julials.setup({
     on_new_config = function(new_config, _)
         local julia = vim.fn.expand("~/.julia/environments/nvim-lspconfig/bin/julia")
-        if require'lspconfig'.util.path.is_file(julia) then
+        if REVISE_LANGUAGESERVER then
+            new_config.cmd[5] = (new_config.cmd[5]):gsub("using LanguageServer", "using Revise; using LanguageServer; if isdefined(LanguageServer, :USE_REVISE); LanguageServer.USE_REVISE[] = true; end")
+        elseif require'lspconfig'.util.path.is_file(julia) then
             new_config.cmd[1] = julia
         end
     end,