Temporary fix for markdownlint_cli2 not working on files with spaces

jose-elias-alvarez/null-ls.nvim#1256

Author: dngray

home/private_dot_config/lvim/config.lua

@@ -146,15 +146,25 @@ vim.list_extend(lvim.lsp.override, { "gopls" })
 --   },
 -- }
 
--- -- set additional linters
-local linters = require("lvim.lsp.null-ls.linters")
-linters.setup({
-  {
-  -- { name = "markdownlint_cli2" },
-    command = "markdownlint-cli2",
-    args = { "$FILENAME" },
-  },
-})
+require("null-ls").register{
+  require("null-ls").builtins.diagnostics.markdownlint_cli2.with { args = { ":$FILENAME" }, generator_opts ={
+        command = "markdownlint-cli2",
+        from_stderr = true,
+        format = "line",
+        multiple_files = false,
+        on_output = require("null-ls.helpers").diagnostics.from_patterns({
+            {
+                pattern = [[(%g+):(%d+):(%d+) ([%w-/]+) (.*)]],
+                groups = { "filename", "row", "col", "code", "message" },
+            },
+            {
+                pattern = [[(%g+):(%d+) ([%w-/]+) (.*)]],
+                groups = { "filename", "row", "code", "message" },
+            },
+        }),
+    },
+ },
+}
 
 -- local linters = require "lvim.lsp.null-ls.linters"
 -- linters.setup {