Refactor null-ls and remove conflicted formatting

neovim/lua/plugins/lsp.lua

@@ -45,7 +45,17 @@ function M.config_lsp_ui()
     end)
 end
 
-local function default_attach(client, bufnr)
+local function get_default_attach(override_capabilities)
+    return function(client, bufnr)
+        -- Allow overriding capabilities to avoid duplicate lsps with capabilities
+        if override_capabilities ~= nil then
+            client.resolved_capabilities = vim.tbl_extend(
+                "force",
+                client.resolved_capabilities,
+                override_capabilities or {}
+            )
+        end
+
         local function buf_set_keymap(...)
             vim.api.nvim_buf_set_keymap(bufnr, ...)
         end
@@ -139,6 +149,7 @@ local function default_attach(client, bufnr)
             buf_set_keymap("n", "<leader>ca", "<cmd>lua require('lspsaga.codeaction').code_action()<CR>", opts)
         end
     end
+end
 
 local function merged_capabilities()
     -- Maybe update capabilities
@@ -153,13 +164,19 @@ function M.config_lsp()
     utils.try_require("lspconfig", function(lsp_config)
         local capabilities = merged_capabilities()
 
+        -- Config null-ls
+        require("plugins.null-ls").configure({ capabilities = capabilities, on_attach = get_default_attach() })
+
+        -- Attach options to disable formatting
+        local no_format = { document_formatting = false, document_range_formatting = false }
+
         -- Configure each server
-        lsp_config.bashls.setup({ capabilities = capabilities, on_attach = default_attach })
-        lsp_config.gopls.setup({ capabilities = capabilities, on_attach = default_attach })
-        lsp_config.pyright.setup({ capabilities = capabilities, on_attach = default_attach })
+        lsp_config.bashls.setup({ capabilities = capabilities, on_attach = get_default_attach() })
+        lsp_config.gopls.setup({ capabilities = capabilities, on_attach = get_default_attach(no_format) })
+        lsp_config.pyright.setup({ capabilities = capabilities, on_attach = get_default_attach(no_format) })
         lsp_config.rls.setup({
             capabilities = capabilities,
-            on_attach = default_attach,
+            on_attach = get_default_attach(no_format),
             settings = {
                 rust = {
                     build_on_save = false,
@@ -187,87 +204,13 @@ function M.config_lsp_saga()
     end)
 end
 
-function M.config_null_ls()
-    utils.try_require("null-ls", function(null_ls)
-        local helpers = require("null-ls.helpers")
-        local alex_lint = {
-            name = "alex",
-            method = null_ls.methods.DIAGNOSTICS,
-            filetypes = { "markdown" },
-            generator = null_ls.generator({
-                command = "alex",
-                args = { "--stdin", "--quiet" },
-                to_stdin = true,
-                from_stderr = true,
-                format = "line",
-                check_exit_code = function(code)
-                    return code <= 1
-                end,
-                on_output = helpers.diagnostics.from_patterns({
-                    {
-                        pattern = [[ *(%d+):(%d+)-(%d+):(%d+) *(%w+) *(.+) +[%w]+ +([-%l]+)]],
-                        groups = { "row", "col", "end_row", "end_col", "severity", "message", "code" },
-                    },
-                }),
-            }),
-        }
-
-        local sources = {
-            -- Generic
-            null_ls.builtins.formatting.prettier,
-            null_ls.builtins.formatting.trim_whitespace,
-            null_ls.builtins.formatting.trim_newlines,
-            -- Fish
-            null_ls.builtins.formatting.fish_indent,
-            -- Python
-            null_ls.builtins.formatting.reorder_python_imports,
-            null_ls.builtins.formatting.black,
-            null_ls.builtins.diagnostics.mypy,
-            -- Go
-            null_ls.builtins.diagnostics.golangci_lint,
-            -- Text
-            null_ls.builtins.diagnostics.proselint,
-            -- null_ls.builtins.diagnostics.write_good,
-            null_ls.builtins.code_actions.proselint,
-            alex_lint,
-            -- Ansible
-            null_ls.builtins.diagnostics.ansiblelint,
-            -- Shell
-            null_ls.builtins.diagnostics.shellcheck,
-            -- Rust
-            -- null_ls.builtins.formatting.rustfmt,
-            -- Lua
-            null_ls.builtins.diagnostics.luacheck,
-            null_ls.builtins.formatting.stylua,
-            -- Docker
-            null_ls.builtins.diagnostics.hadolint,
-        }
-
-        -- HACK: Handle old versions of null_ls for vim < 0.6 that don't support `setup`
-        if null_ls["setup"] ~= nil then
-            null_ls.setup({
-                on_attach = default_attach,
-                capabilities = merged_capabilities(),
-                sources = sources,
-            })
-        else
-            null_ls.config({
-                sources = sources,
-            })
-            require("lspconfig")["null-ls"].setup({
-                on_attach = default_attach,
-            })
-        end
-    end)
-end
-
 local function get_luadev_config()
     local luadev = utils.try_require("lua-dev")
     if luadev ~= nil then
         return luadev.setup({
             -- add any options here, or leave empty to use the default settings
             lspconfig = {
-                on_attach = default_attach,
+                on_attach = get_default_attach(),
                 settings = {
                     Lua = {
                         completion = {
@@ -287,7 +230,7 @@ function M.config_lsp_intaller()
     utils.try_require("nvim-lsp-installer", function(lsp_installer)
         -- Default options
         local opts = {
-            on_attach = default_attach,
+            on_attach = get_default_attach(),
         }
 
         lsp_installer.on_server_ready(function(server)

neovim/lua/plugins/null-ls/init.lua

@@ -0,0 +1,58 @@
+local M = {}
+local utils = require("utils")
+
+function M.configure(options)
+    utils.try_require("null-ls", function(null_ls)
+        -- Load newer versions of plugins
+        local alex = require("plugins.null-ls.linters").alex
+        local ansiblelint = require("plugins.null-ls.linters").ansiblelint
+
+        -- Use ansiblelint for only ansible files
+        -- null_ls.builtins.diagnostics.ansiblelint.filetypes = { "yaml.ansible" }
+
+        local sources = {
+            -- Generic
+            null_ls.builtins.formatting.prettier,
+            null_ls.builtins.formatting.trim_whitespace,
+            null_ls.builtins.formatting.trim_newlines,
+            -- Fish
+            null_ls.builtins.formatting.fish_indent,
+            -- Python
+            null_ls.builtins.formatting.reorder_python_imports,
+            null_ls.builtins.formatting.black,
+            null_ls.builtins.diagnostics.mypy,
+            -- Go
+            null_ls.builtins.diagnostics.golangci_lint,
+            null_ls.builtins.formatting.gofmt,
+            -- Text
+            null_ls.builtins.code_actions.proselint,
+            null_ls.builtins.diagnostics.proselint,
+            null_ls.builtins.diagnostics.write_good,
+            -- null_ls.builtins.diagnostics.alex
+            alex,
+            -- Ansible
+            -- null_ls.builtins.diagnostics.ansiblelint,
+            ansiblelint,
+            -- Shell
+            null_ls.builtins.diagnostics.shellcheck,
+            -- Rust
+            null_ls.builtins.formatting.rustfmt,
+            -- Lua
+            null_ls.builtins.diagnostics.luacheck,
+            null_ls.builtins.formatting.stylua,
+            -- Docker
+            null_ls.builtins.diagnostics.hadolint,
+        }
+
+        if null_ls["setup"] ~= nil then
+            options.sources = sources
+            null_ls.setup(options)
+        else
+            -- HACK: Handle old versions of null_ls for vim < 0.6 that don't support `setup`
+            null_ls.config({ sources = sources })
+            require("lspconfig")["null-ls"].setup(options)
+        end
+    end)
+end
+
+return M

neovim/lua/plugins/null-ls/linters.lua

@@ -0,0 +1,71 @@
+local M = {}
+
+local null_ls = require("null-ls")
+local helpers = require("null-ls.helpers")
+
+M.alex = {
+    name = "alex",
+    method = null_ls.methods.DIAGNOSTICS,
+    filetypes = { "markdown" },
+    generator = null_ls.generator({
+        command = "alex",
+        args = { "--stdin", "--quiet" },
+        to_stdin = true,
+        from_stderr = true,
+        format = "line",
+        check_exit_code = function(code)
+            return code <= 1
+        end,
+        on_output = helpers.diagnostics.from_patterns({
+            {
+                pattern = [[ *(%d+):(%d+)-(%d+):(%d+) *(%w+) *(.+) +[%w]+ +([-%l]+)]],
+                groups = { "row", "col", "end_row", "end_col", "severity", "message", "code" },
+            },
+        }),
+    }),
+}
+
+M.ansiblelint = {
+    name = "ansiblelint",
+    method = null_ls.methods.DIAGNOSTICS,
+    filetypes = { "yaml.ansible" },
+    generator = null_ls.generator({
+        command = "ansible-lint",
+        to_stdin = true,
+        ignore_stderr = true,
+        args = { "-f", "codeclimate", "-q", "--nocolor", "$FILENAME" },
+        format = "json",
+        check_exit_code = function(code)
+            return code <= 2
+        end,
+        multiple_files = true,
+        on_output = function(params)
+            local severities = {
+                blocker = helpers.diagnostics.severities.error,
+                critical = helpers.diagnostics.severities.error,
+                major = helpers.diagnostics.severities.error,
+                minor = helpers.diagnostics.severities.warning,
+                info = helpers.diagnostics.severities.information,
+            }
+            params.messages = {}
+            for _, message in ipairs(params.output) do
+                local col = nil
+                local row = message.location.lines.begin
+                if type(row) == "table" then
+                    row = row.line
+                    col = row.column
+                end
+                table.insert(params.messages, {
+                    row = row,
+                    col = col,
+                    message = message.check_name,
+                    severity = severities[message.severity],
+                    filename = message.location.path,
+                })
+            end
+            return params.messages
+        end,
+    }),
+}
+
+return M

neovim/plugin/lsp.lua

@@ -2,7 +2,6 @@ local utils = require("utils")
 local lsp_config = require("plugins.lsp")
 
 -- Configure my various lsp stuffs
-lsp_config.config_null_ls()
 lsp_config.config_lsp_intaller()
 lsp_config.config_lsp()
 lsp_config.config_lsp_ui()