fix(r-language-server): Use --no-echo instead of --slave

Starting from R version 4.0.0, the command line option `--slave` were renamed to `--no-echo`. See the relevant news for 4.0.0: https://cran.r-project.org/bin/windows/base/old/4.0.0/NEWS.R-4.0.0.html and the corresponding commit: wch/r-source@f1ff49e#diff-4747789d759ae72b19c9791301bf52e8cfc5c23dbdda10bf1a6bd003509395dd
neovim · Aug 22, 2024 · 6fddf33 · 6fddf33
1 parent a7f0f9c
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diff --git a/doc/server_configurations.md b/doc/server_configurations.md
@@ -9413,7 +9413,7 @@ require'lspconfig'.r_language_server.setup{}
 **Default values:**
   - `cmd` : 
   ```lua
-  { "R", "--slave", "-e", "languageserver::run()" }
+  { "R", "--no-echo", "-e", "languageserver::run()" }
   ```
   - `filetypes` : 
   ```lua

diff --git a/lua/lspconfig/server_configurations/r_language_server.lua b/lua/lspconfig/server_configurations/r_language_server.lua
@@ -2,7 +2,7 @@ local util = require 'lspconfig.util'
 
 return {
   default_config = {
-    cmd = { 'R', '--slave', '-e', 'languageserver::run()' },
+    cmd = { 'R', '--no-echo', '-e', 'languageserver::run()' },
     filetypes = { 'r', 'rmd' },
     root_dir = function(fname)
       return util.find_git_ancestor(fname) or vim.loop.os_homedir()