Merge LunarVim/release-candidate

1 files changed, 24 insertions, 11 deletions

diff --git a/lua/lvim/lsp/null-ls/formatters.lua b/lua/lvim/lsp/null-ls/formatters.lua
index 20939039..b2e191c5 100644
--- a/lua/lvim/lsp/null-ls/formatters.lua
+++ b/lua/lvim/lsp/null-ls/formatters.lua
@@ -4,6 +4,14 @@ local null_ls = require "null-ls"
 local services = require "lvim.lsp.null-ls.services"
 local Log = require "lvim.core.log"
 
+local is_registered = function(name)
+  local query = {
+    name = name,
+    method = require("null-ls").methods.FORMATTING,
+  }
+  return require("null-ls.sources").is_registered(query)
+end
+
 function M.list_registered_providers(filetype)
   local null_ls_methods = require "null-ls.methods"
   local formatter_method = null_ls_methods.internal["FORMATTING"]
@@ -30,24 +38,29 @@ function M.list_configured(formatter_configs)
   local formatters, errors = {}, {}
 
   for _, fmt_config in ipairs(formatter_configs) do
-    local formatter_name = fmt_config.exe:gsub("-", "_")
-    local formatter = null_ls.builtins.formatting[formatter_name]
+    local name = fmt_config.exe:gsub("-", "_")
+    local formatter = null_ls.builtins.formatting[name]
 
     if not formatter then
       Log:error("Not a valid formatter: " .. fmt_config.exe)
-      errors[fmt_config.exe] = {} -- Add data here when necessary
+      errors[name] = {} -- Add data here when necessary
+    elseif is_registered(fmt_config.exe) then
+      Log:trace "Skipping registering  the source more than once"
     else
       local formatter_cmd = services.find_command(formatter._opts.command)
       if not formatter_cmd then
         Log:warn("Not found: " .. formatter._opts.command)
-        errors[fmt_config.exe] = {} -- Add data here when necessary
+        errors[name] = {} -- Add data here when necessary
       else
         Log:debug("Using formatter: " .. formatter_cmd)
-        formatters[fmt_config.exe] = formatter.with {
-          command = formatter_cmd,
-          extra_args = fmt_config.args,
-          filetypes = fmt_config.filetypes,
-        }
+        table.insert(
+          formatters,
+          formatter.with {
+            command = formatter_cmd,
+            extra_args = fmt_config.args,
+            filetypes = fmt_config.filetypes,
+          }
+        )
       end
     end
   end
@@ -60,8 +73,8 @@ function M.setup(formatter_configs)
     return
   end
 
-  local formatters_by_ft = M.list_configured(formatter_configs)
-  null_ls.register { sources = formatters_by_ft.supported }
+  local formatters = M.list_configured(formatter_configs)
+  null_ls.register { sources = formatters.supported }
 end
 
 return M