From 6e8b6bf6356a19f04b2d9fff73549f9d49e951be Mon Sep 17 00:00:00 2001
From: Ching Pei Yang <badnam3o.0@gmail.com>
Date: Thu, 27 Mar 2025 16:31:52 +0100
Subject: [PATCH 01/24] nvim-lint: add lint after save autocmd

---
 .../plugins/diagnostics/nvim-lint/config.nix  | 36 ++++++++++++++-----
 .../diagnostics/nvim-lint/nvim-lint.nix       |  2 ++
 2 files changed, 29 insertions(+), 9 deletions(-)

diff --git a/modules/plugins/diagnostics/nvim-lint/config.nix b/modules/plugins/diagnostics/nvim-lint/config.nix
index 085140dc..5ecd8d70 100644
--- a/modules/plugins/diagnostics/nvim-lint/config.nix
+++ b/modules/plugins/diagnostics/nvim-lint/config.nix
@@ -3,18 +3,36 @@
   lib,
   ...
 }: let
-  inherit (lib.modules) mkIf;
+  inherit (lib.modules) mkIf mkMerge;
+  inherit (lib.generators) mkLuaInline;
   inherit (lib.nvim.dag) entryAnywhere;
   inherit (lib.nvim.lua) toLuaObject;
 
   cfg = config.vim.diagnostics.nvim-lint;
 in {
-  config = mkIf cfg.enable {
-    vim = {
-      startPlugins = ["nvim-lint"];
-      pluginRC.nvim-lint = entryAnywhere ''
-        require("lint").linters_by_ft = ${toLuaObject cfg.linters_by_ft}
-      '';
-    };
-  };
+  config = mkMerge [
+    (mkIf cfg.enable {
+      vim = {
+        startPlugins = ["nvim-lint"];
+        pluginRC.nvim-lint = entryAnywhere ''
+          require("lint").linters_by_ft = ${toLuaObject cfg.linters_by_ft}
+        '';
+      };
+    })
+    (mkIf cfg.lint_after_save {
+      vim = {
+        augroups = [{name = "nvf_nvim_lint";}];
+        autocmds = [
+          {
+            event = ["BufWritePost"];
+            callback = mkLuaInline ''
+              function()
+                require("lint").try_lint()
+              end
+            '';
+          }
+        ];
+      };
+    })
+  ];
 }
diff --git a/modules/plugins/diagnostics/nvim-lint/nvim-lint.nix b/modules/plugins/diagnostics/nvim-lint/nvim-lint.nix
index b08d82be..fc19d987 100644
--- a/modules/plugins/diagnostics/nvim-lint/nvim-lint.nix
+++ b/modules/plugins/diagnostics/nvim-lint/nvim-lint.nix
@@ -21,5 +21,7 @@ in {
         accept.
       '';
     };
+
+    lint_after_save = mkEnableOption "autocmd to lint after each save" // {default = true;};
   };
 }

From 7e1ffe40f519f31e8b22a4900c3b11d980d231ef Mon Sep 17 00:00:00 2001
From: Ching Pei Yang <badnam3o.0@gmail.com>
Date: Thu, 27 Mar 2025 16:32:44 +0100
Subject: [PATCH 02/24] nvim-lint: add linters option

---
 .../plugins/diagnostics/nvim-lint/config.nix  | 12 +++
 .../diagnostics/nvim-lint/nvim-lint.nix       | 96 ++++++++++++++++++-
 2 files changed, 107 insertions(+), 1 deletion(-)

diff --git a/modules/plugins/diagnostics/nvim-lint/config.nix b/modules/plugins/diagnostics/nvim-lint/config.nix
index 5ecd8d70..cf9c45e2 100644
--- a/modules/plugins/diagnostics/nvim-lint/config.nix
+++ b/modules/plugins/diagnostics/nvim-lint/config.nix
@@ -16,6 +16,18 @@ in {
         startPlugins = ["nvim-lint"];
         pluginRC.nvim-lint = entryAnywhere ''
           require("lint").linters_by_ft = ${toLuaObject cfg.linters_by_ft}
+
+          local linters = require("lint").linters
+          local nvf_linters = ${toLuaObject cfg.linters}
+          for linter, config in pairs(nvf_linters) do
+            if linters[linter] == nil then
+              linters[linter] = config
+            else
+              for key, val in pairs(config) do
+                linters[linter][key] = val
+              end
+            end
+          end
         '';
       };
     })
diff --git a/modules/plugins/diagnostics/nvim-lint/nvim-lint.nix b/modules/plugins/diagnostics/nvim-lint/nvim-lint.nix
index fc19d987..20f14f0b 100644
--- a/modules/plugins/diagnostics/nvim-lint/nvim-lint.nix
+++ b/modules/plugins/diagnostics/nvim-lint/nvim-lint.nix
@@ -1,6 +1,76 @@
 {lib, ...}: let
   inherit (lib.options) mkOption mkEnableOption;
-  inherit (lib.types) attrsOf listOf str;
+  inherit (lib.types) nullOr attrsOf listOf str either submodule bool enum;
+  inherit (lib.nvim.types) luaInline;
+
+  linterType = submodule {
+    options = {
+      name = mkOption {
+        type = nullOr str;
+        default = null;
+        description = "Name of the linter";
+      };
+
+      cmd = mkOption {
+        type = nullOr str;
+        default = null;
+        description = "Command of the linter";
+      };
+
+      args = mkOption {
+        type = nullOr (listOf (either str luaInline));
+        default = null;
+        description = "Arguments to pass";
+      };
+
+      stdin = mkOption {
+        type = nullOr bool;
+        default = null;
+        description = "Send content via stdin.";
+      };
+
+      append_fname = mkOption {
+        type = nullOr bool;
+        default = null;
+        description = ''
+          Automatically add the current file name to the commands arguments. Only
+          has an effect if stdin is false
+        '';
+      };
+
+      stream = mkOption {
+        type = nullOr (enum ["stdout" "stderr" "both"]);
+        default = null;
+        description = "Result stream";
+      };
+
+      ignore_exitcode = mkOption {
+        type = nullOr bool;
+        default = null;
+        description = ''
+          Declares if exit code != 1 should be ignored or result in a warning.
+        '';
+      };
+
+      env = mkOption {
+        type = nullOr (attrsOf str);
+        default = null;
+        description = "Environment variables to use";
+      };
+
+      cwd = mkOption {
+        type = nullOr str;
+        default = null;
+        description = "Working directory of the linter";
+      };
+
+      parser = mkOption {
+        type = nullOr luaInline;
+        default = null;
+        description = "Parser function";
+      };
+    };
+  };
 in {
   options.vim.diagnostics.nvim-lint = {
     enable = mkEnableOption "asynchronous linter plugin for Neovim [nvim-lint]";
@@ -22,6 +92,30 @@ in {
       '';
     };
 
+    linters = mkOption {
+      type = attrsOf linterType;
+      default = {};
+      example = ''
+        {
+          phpcs = {
+            args = ["-q" "--report-json" "-"];
+
+            # this will replace the builtin's env table if it exists
+            env = {
+              ENV_VAR = "something";
+            };
+          };
+        }
+      '';
+
+      description = ''
+        Linter configurations. Builtin linters will be updated and not
+        replaced, but note that this is not a deep extend operation, i.e. if
+        you define an `env` option, it will replace the entire `env` table
+        provided by the builtin (if it exists).
+      '';
+    };
+
     lint_after_save = mkEnableOption "autocmd to lint after each save" // {default = true;};
   };
 }

From 2bc0492af3735fafebcb72a737f14fcc7e5dac20 Mon Sep 17 00:00:00 2001
From: Ching Pei Yang <badnam3o.0@gmail.com>
Date: Thu, 27 Mar 2025 16:32:58 +0100
Subject: [PATCH 03/24] nix: migrate to conform/nvim-lint

---
 modules/plugins/languages/nix.nix | 41 ++++++++++++-------------------
 1 file changed, 16 insertions(+), 25 deletions(-)

diff --git a/modules/plugins/languages/nix.nix b/modules/plugins/languages/nix.nix
index 54c11af2..ad16a34e 100644
--- a/modules/plugins/languages/nix.nix
+++ b/modules/plugins/languages/nix.nix
@@ -6,6 +6,7 @@
 }: let
   inherit (builtins) attrNames;
   inherit (lib) concatStringsSep;
+  inherit (lib.meta) getExe;
   inherit (lib.options) mkEnableOption mkOption;
   inherit (lib.modules) mkIf mkMerge;
   inherit (lib.lists) isList;
@@ -13,7 +14,6 @@
   inherit (lib.types) anything attrsOf enum either listOf nullOr package str;
   inherit (lib.nvim.types) mkGrammarOption diagnostics;
   inherit (lib.nvim.lua) expToLua toLuaObject;
-  inherit (lib.nvim.languages) diagnosticsToLua;
 
   cfg = config.vim.languages.nix;
 
@@ -100,26 +100,10 @@
   formats = {
     alejandra = {
       package = pkgs.alejandra;
-      nullConfig = ''
-        table.insert(
-          ls_sources,
-          null_ls.builtins.formatting.alejandra.with({
-            command = "${cfg.format.package}/bin/alejandra"
-          })
-        )
-      '';
     };
 
     nixfmt = {
       package = pkgs.nixfmt-rfc-style;
-      nullConfig = ''
-        table.insert(
-          ls_sources,
-          null_ls.builtins.formatting.nixfmt.with({
-            command = "${cfg.format.package}/bin/nixfmt"
-          })
-        )
-      '';
     };
   };
 
@@ -237,17 +221,24 @@ in {
       vim.lsp.lspconfig.sources.nix-lsp = servers.${cfg.lsp.server}.lspConfig;
     })
 
-    (mkIf (cfg.format.enable && !servers.${cfg.lsp.server}.internalFormatter) {
-      vim.lsp.null-ls.enable = true;
-      vim.lsp.null-ls.sources.nix-format = formats.${cfg.format.type}.nullConfig;
+    (mkIf (cfg.format.enable && (!cfg.lsp.enable || !servers.${cfg.lsp.server}.internalFormatter)) {
+      vim.formatter.conform-nvim = {
+        enable = true;
+        setupOpts.formatters_by_ft.nix = [cfg.format.type];
+        setupOpts.formatters.${cfg.format.type} = {
+          command = getExe cfg.format.package;
+        };
+      };
     })
 
     (mkIf cfg.extraDiagnostics.enable {
-      vim.lsp.null-ls.enable = true;
-      vim.lsp.null-ls.sources = diagnosticsToLua {
-        lang = "nix";
-        config = cfg.extraDiagnostics.types;
-        inherit diagnosticsProviders;
+      vim.diagnostics.nvim-lint = {
+        enable = true;
+        linters_by_ft.nix = cfg.extraDiagnostics.types;
+        linters = mkMerge (map (name: {
+            ${name}.cmd = getExe diagnosticsProviders.${name}.package;
+          })
+          cfg.extraDiagnostics.types);
       };
     })
   ]);

From a0c94b31d61420f30bc395b8b051e67b7df05897 Mon Sep 17 00:00:00 2001
From: Ching Pei Yang <badnam3o.0@gmail.com>
Date: Thu, 27 Mar 2025 18:12:24 +0100
Subject: [PATCH 04/24] language/astro: migrate to conform/nvim-lint

---
 modules/plugins/languages/astro.nix | 80 ++++++++++++++---------------
 1 file changed, 38 insertions(+), 42 deletions(-)

diff --git a/modules/plugins/languages/astro.nix b/modules/plugins/languages/astro.nix
index d5672af0..e1a56172 100644
--- a/modules/plugins/languages/astro.nix
+++ b/modules/plugins/languages/astro.nix
@@ -10,8 +10,8 @@
   inherit (lib.lists) isList;
   inherit (lib.meta) getExe;
   inherit (lib.types) enum either listOf package str;
+  inherit (lib.generators) mkLuaInline;
   inherit (lib.nvim.lua) expToLua;
-  inherit (lib.nvim.languages) diagnosticsToLua;
   inherit (lib.nvim.types) mkGrammarOption diagnostics;
 
   cfg = config.vim.languages.astro;
@@ -39,26 +39,10 @@
   formats = {
     prettier = {
       package = pkgs.nodePackages.prettier;
-      nullConfig = ''
-        table.insert(
-          ls_sources,
-          null_ls.builtins.formatting.prettier.with({
-            command = "${cfg.format.package}/bin/prettier",
-          })
-        )
-      '';
     };
 
     biome = {
       package = pkgs.biome;
-      nullConfig = ''
-        table.insert(
-          ls_sources,
-          null_ls.builtins.formatting.biome.with({
-            command = "${cfg.format.package}/bin/biome",
-          })
-        )
-      '';
     };
   };
 
@@ -67,24 +51,23 @@
   diagnosticsProviders = {
     eslint_d = {
       package = pkgs.eslint_d;
-      nullConfig = pkg: ''
-        table.insert(
-          ls_sources,
-          null_ls.builtins.diagnostics.eslint_d.with({
-            command = "${getExe pkg}",
-            condition = function(utils)
-              return utils.root_has_file({
-                "eslint.config.js",
-                "eslint.config.mjs",
-                ".eslintrc",
-                ".eslintrc.json",
-                ".eslintrc.js",
-                ".eslintrc.yml",
-              })
-            end,
-          })
-        )
-      '';
+      config = {
+        # HACK: change if nvim-lint gets a dynamic enable thing
+        parser = mkLuaInline ''
+          function(output, bufnr, cwd)
+            local markers = { "eslint.config.js", "eslint.config.mjs",
+              ".eslintrc", ".eslintrc.json", ".eslintrc.js", ".eslintrc.yml", }
+            for _, filename in ipairs(markers) do
+              local path = vim.fs.join(cwd, filename)
+              if vim.loop.fs_stat(path) then
+                return require("lint.linters.eslint_d").parser(output, bufnr, cwd)
+              end
+            end
+
+            return {}
+          end
+        '';
+      };
     };
   };
 in {
@@ -153,16 +136,29 @@ in {
     })
 
     (mkIf cfg.format.enable {
-      vim.lsp.null-ls.enable = true;
-      vim.lsp.null-ls.sources.astro-format = formats.${cfg.format.type}.nullConfig;
+      vim.formatter.conform-nvim = {
+        enable = true;
+        setupOpts.formatters_by_ft.astro = [cfg.format.type];
+        setupOpts.formatters.${cfg.format.type} = {
+          command = getExe cfg.format.package;
+        };
+      };
     })
 
     (mkIf cfg.extraDiagnostics.enable {
-      vim.lsp.null-ls.enable = true;
-      vim.lsp.null-ls.sources = diagnosticsToLua {
-        lang = "astro";
-        config = cfg.extraDiagnostics.types;
-        inherit diagnosticsProviders;
+      vim.diagnostics.nvim-lint = {
+        enable = true;
+        linters_by_ft.astro = cfg.extraDiagnostics.types;
+        linters = mkMerge (map (
+            name: {
+              ${name} =
+                diagnosticsProviders.${name}.config
+                // {
+                  cmd = getExe diagnosticsProviders.${name}.package;
+                };
+            }
+          )
+          cfg.extraDiagnostics.types);
       };
     })
   ]);

From e996999c0b9fd5308a4a8682e955d61973f7ea45 Mon Sep 17 00:00:00 2001
From: Ching Pei Yang <badnam3o.0@gmail.com>
Date: Thu, 27 Mar 2025 19:28:00 +0100
Subject: [PATCH 05/24] language/bash: migrate to conform/nvim-lint

---
 modules/plugins/languages/bash.nix | 40 +++++++++++-------------------
 1 file changed, 15 insertions(+), 25 deletions(-)

diff --git a/modules/plugins/languages/bash.nix b/modules/plugins/languages/bash.nix
index c0066b3c..bfe01032 100644
--- a/modules/plugins/languages/bash.nix
+++ b/modules/plugins/languages/bash.nix
@@ -6,10 +6,10 @@
 }: let
   inherit (builtins) attrNames;
   inherit (lib.options) mkOption mkEnableOption literalExpression;
+  inherit (lib.meta) getExe;
   inherit (lib.modules) mkIf mkMerge;
   inherit (lib.lists) isList;
   inherit (lib.types) enum either package listOf str bool;
-  inherit (lib.nvim.languages) diagnosticsToLua;
   inherit (lib.nvim.types) diagnostics mkGrammarOption;
   inherit (lib.nvim.lua) expToLua;
 
@@ -37,14 +37,6 @@
   formats = {
     shfmt = {
       package = pkgs.shfmt;
-      nullConfig = ''
-        table.insert(
-          ls_sources,
-          null_ls.builtins.formatting.shfmt.with({
-            command = "${pkgs.shfmt}/bin/shfmt",
-          })
-        )
-      '';
     };
   };
 
@@ -52,15 +44,6 @@
   diagnosticsProviders = {
     shellcheck = {
       package = pkgs.shellcheck;
-      nullConfig = pkg: ''
-        table.insert(
-          ls_sources,
-          null_ls.builtins.diagnostics.shellcheck.with({
-            command = "${pkg}/bin/shellcheck",
-            diagnostics_format = "#{m} [#{c}]"
-          })
-        )
-      '';
     };
   };
 in {
@@ -130,16 +113,23 @@ in {
     })
 
     (mkIf cfg.format.enable {
-      vim.lsp.null-ls.enable = true;
-      vim.lsp.null-ls.sources.bash-format = formats.${cfg.format.type}.nullConfig;
+      vim.formatter.conform-nvim = {
+        enable = true;
+        setupOpts.formatters_by_ft.sh = [cfg.format.type];
+        setupOpts.formatters.${cfg.format.type} = {
+          command = getExe cfg.format.package;
+        };
+      };
     })
 
     (mkIf cfg.extraDiagnostics.enable {
-      vim.lsp.null-ls.enable = true;
-      vim.lsp.null-ls.sources = diagnosticsToLua {
-        lang = "bash";
-        config = cfg.extraDiagnostics.types;
-        inherit diagnosticsProviders;
+      vim.diagnostics.nvim-lint = {
+        enable = true;
+        linters_by_ft.sh = cfg.extraDiagnostics.types;
+        linters = mkMerge (map (name: {
+            ${name}.cmd = getExe diagnosticsProviders.${name}.package;
+          })
+          cfg.extraDiagnostics.types);
       };
     })
   ]);

From 459e97dab7dc3c5194c68d5dc73ea81bf798d98d Mon Sep 17 00:00:00 2001
From: Ching Pei Yang <badnam3o.0@gmail.com>
Date: Thu, 27 Mar 2025 19:52:28 +0100
Subject: [PATCH 06/24] language/css: migrate to conform/nvim-lint

---
 modules/plugins/languages/css.nix | 18 ++++++++----------
 1 file changed, 8 insertions(+), 10 deletions(-)

diff --git a/modules/plugins/languages/css.nix b/modules/plugins/languages/css.nix
index 8330a41a..d103f241 100644
--- a/modules/plugins/languages/css.nix
+++ b/modules/plugins/languages/css.nix
@@ -6,6 +6,7 @@
 }: let
   inherit (builtins) attrNames;
   inherit (lib.options) mkEnableOption mkOption;
+  inherit (lib.meta) getExe;
   inherit (lib.modules) mkIf mkMerge;
   inherit (lib.lists) isList;
   inherit (lib.types) enum either listOf package str;
@@ -42,14 +43,6 @@
   formats = {
     prettier = {
       package = pkgs.nodePackages.prettier;
-      nullConfig = ''
-        table.insert(
-          ls_sources,
-          null_ls.builtins.formatting.prettier.with({
-            command = "${cfg.format.package}/bin/prettier",
-          })
-        )
-      '';
     };
 
     prettierd = {
@@ -132,8 +125,13 @@ in {
     })
 
     (mkIf cfg.format.enable {
-      vim.lsp.null-ls.enable = true;
-      vim.lsp.null-ls.sources.css-format = formats.${cfg.format.type}.nullConfig;
+      vim.formatter.conform-nvim = {
+        enable = true;
+        setupOpts.formatters_by_ft.css = [cfg.format.type];
+        setupOpts.formatters.${cfg.format.type} = {
+          command = getExe cfg.format.package;
+        };
+      };
     })
   ]);
 }

From 07384c3887f6aadb0c1ec56b57faa2cc08d7c783 Mon Sep 17 00:00:00 2001
From: Ching Pei Yang <badnam3o.0@gmail.com>
Date: Thu, 27 Mar 2025 19:57:01 +0100
Subject: [PATCH 07/24] language/elixir: migrate to conform/nvim-lint

---
 modules/plugins/languages/elixir.nix | 19 +++++++++----------
 1 file changed, 9 insertions(+), 10 deletions(-)

diff --git a/modules/plugins/languages/elixir.nix b/modules/plugins/languages/elixir.nix
index f8f338b1..7b3a0256 100644
--- a/modules/plugins/languages/elixir.nix
+++ b/modules/plugins/languages/elixir.nix
@@ -38,14 +38,9 @@
   formats = {
     mix = {
       package = pkgs.elixir;
-      nullConfig = ''
-        table.insert(
-          ls_sources,
-          null_ls.builtins.formatting.mix.with({
-            command = "${cfg.format.package}/bin/mix",
-          })
-        )
-      '';
+      config = {
+        command = "${cfg.format.package}/bin/mix";
+      };
     };
   };
 in {
@@ -107,8 +102,12 @@ in {
     })
 
     (mkIf cfg.format.enable {
-      vim.lsp.null-ls.enable = true;
-      vim.lsp.null-ls.sources.elixir-format = formats.${cfg.format.type}.nullConfig;
+      vim.formatter.conform-nvim = {
+        enable = true;
+        setupOpts.formatters_by_ft.elixir = [cfg.format.type];
+        setupOpts.formatters.${cfg.format.type} =
+          formats.${cfg.format.type}.config;
+      };
     })
 
     (mkIf cfg.elixir-tools.enable {

From 6225dff47a9b1778bb8517f7856defb1220f87e7 Mon Sep 17 00:00:00 2001
From: Ching Pei Yang <badnam3o.0@gmail.com>
Date: Thu, 27 Mar 2025 20:05:22 +0100
Subject: [PATCH 08/24] language/fsharp: migrate to conform/nvim-lint

---
 modules/plugins/languages/fsharp.nix | 18 ++++++++----------
 1 file changed, 8 insertions(+), 10 deletions(-)

diff --git a/modules/plugins/languages/fsharp.nix b/modules/plugins/languages/fsharp.nix
index 86c08d39..966b0349 100644
--- a/modules/plugins/languages/fsharp.nix
+++ b/modules/plugins/languages/fsharp.nix
@@ -7,6 +7,7 @@
   inherit (builtins) attrNames;
   inherit (lib.options) mkEnableOption mkOption;
   inherit (lib.types) either listOf package str enum;
+  inherit (lib.meta) getExe;
   inherit (lib.modules) mkIf mkMerge;
   inherit (lib.lists) isList;
   inherit (lib.nvim.types) mkGrammarOption;
@@ -35,14 +36,6 @@
   formats = {
     fantomas = {
       package = pkgs.fantomas;
-      nullConfig = ''
-        table.insert(
-          ls_sources,
-          null_ls.builtins.formatting.fantomas.with({
-            command = "${cfg.format.package}/bin/fantomas",
-          })
-        )
-      '';
     };
   };
 
@@ -102,8 +95,13 @@ in {
     })
 
     (mkIf cfg.format.enable {
-      vim.lsp.null-ls.enable = true;
-      vim.lsp.null-ls.sources.fsharp-format = formats.${cfg.format.type}.nullConfig;
+      vim.formatter.conform-nvim = {
+        enable = true;
+        setupOpts.formatters_by_ft.fsharp = [cfg.format.type];
+        setupOpts.formatters.${cfg.format.type} = {
+          command = getExe cfg.format.package;
+        };
+      };
     })
   ]);
 }

From 856b064a19f8bbac70b45cba8f91ee2be1043a65 Mon Sep 17 00:00:00 2001
From: Ching Pei Yang <badnam3o.0@gmail.com>
Date: Thu, 27 Mar 2025 20:07:51 +0100
Subject: [PATCH 09/24] language/go: migrate to conform/nvim-lint

---
 modules/plugins/languages/go.nix | 34 ++++++++------------------------
 1 file changed, 8 insertions(+), 26 deletions(-)

diff --git a/modules/plugins/languages/go.nix b/modules/plugins/languages/go.nix
index 3ac9ae77..9f8bca3c 100644
--- a/modules/plugins/languages/go.nix
+++ b/modules/plugins/languages/go.nix
@@ -38,36 +38,15 @@
   formats = {
     gofmt = {
       package = pkgs.go;
-      nullConfig = ''
-        table.insert(
-          ls_sources,
-          null_ls.builtins.formatting.gofmt.with({
-            command = "${cfg.format.package}/bin/gofmt",
-          })
-        )
-      '';
+      config.command = "${cfg.format.package}/bin/gofmt";
     };
     gofumpt = {
       package = pkgs.gofumpt;
-      nullConfig = ''
-        table.insert(
-          ls_sources,
-          null_ls.builtins.formatting.gofumpt.with({
-            command = "${cfg.format.package}/bin/gofumpt",
-          })
-        )
-      '';
+      config.command = getExe cfg.format.package;
     };
     golines = {
       package = pkgs.golines;
-      nullConfig = ''
-        table.insert(
-          ls_sources,
-          null_ls.builtins.formatting.golines.with({
-            command = "${cfg.format.package}/bin/golines",
-          })
-        )
-      '';
+      config.command = "${cfg.format.package}/bin/golines";
     };
   };
 
@@ -153,8 +132,11 @@ in {
     })
 
     (mkIf cfg.format.enable {
-      vim.lsp.null-ls.enable = true;
-      vim.lsp.null-ls.sources.go-format = formats.${cfg.format.type}.nullConfig;
+      vim.formatter.conform-nvim = {
+        enable = true;
+        setupOpts.formatters_by_ft.go = [cfg.format.type];
+        setupOpts.formatters.${cfg.format.type} = formats.${cfg.format.type}.config;
+      };
     })
 
     (mkIf cfg.dap.enable {

From b24999300baf3b22a8037a4bb24c0272b9046a96 Mon Sep 17 00:00:00 2001
From: Ching Pei Yang <badnam3o.0@gmail.com>
Date: Thu, 27 Mar 2025 20:10:30 +0100
Subject: [PATCH 10/24] language/hcl: migrate to conform/nvim-lint

---
 modules/plugins/languages/hcl.nix | 18 ++++++++----------
 1 file changed, 8 insertions(+), 10 deletions(-)

diff --git a/modules/plugins/languages/hcl.nix b/modules/plugins/languages/hcl.nix
index e340e74d..3a3db782 100644
--- a/modules/plugins/languages/hcl.nix
+++ b/modules/plugins/languages/hcl.nix
@@ -6,6 +6,7 @@
 }: let
   inherit (builtins) attrNames;
   inherit (lib.options) mkEnableOption mkOption;
+  inherit (lib.meta) getExe;
   inherit (lib.modules) mkIf mkMerge;
   inherit (lib.types) package bool enum;
   inherit (lib.nvim.types) mkGrammarOption;
@@ -30,14 +31,6 @@
   formats = {
     hclfmt = {
       package = pkgs.hclfmt;
-      nullConfig = ''
-        table.insert(
-          ls_sources,
-          null_ls.builtins.formatting.hclfmt.with({
-            command = "${lib.getExe cfg.format.package}",
-          })
-        )
-      '';
     };
   };
 in {
@@ -110,8 +103,13 @@ in {
     })
 
     (mkIf cfg.format.enable {
-      vim.lsp.null-ls.enable = true;
-      vim.lsp.null-ls.sources.hcl-format = formats.${cfg.format.type}.nullConfig;
+      vim.formatter.conform-nvim = {
+        enable = true;
+        setupOpts.formatters_by_ft.hcl = [cfg.format.type];
+        setupOpts.formatters.${cfg.format.type} = {
+          command = getExe cfg.format.package;
+        };
+      };
     })
   ]);
 }

From 543deb5c2a04699e446e6109e3d023d84b3c10e6 Mon Sep 17 00:00:00 2001
From: Ching Pei Yang <badnam3o.0@gmail.com>
Date: Thu, 27 Mar 2025 20:12:58 +0100
Subject: [PATCH 11/24] language/kotlin: migrate to conform/nvim-lint

---
 modules/plugins/languages/kotlin.nix | 21 +++++++--------------
 1 file changed, 7 insertions(+), 14 deletions(-)

diff --git a/modules/plugins/languages/kotlin.nix b/modules/plugins/languages/kotlin.nix
index 03433215..2ddc63e9 100644
--- a/modules/plugins/languages/kotlin.nix
+++ b/modules/plugins/languages/kotlin.nix
@@ -7,7 +7,6 @@
   inherit (lib.options) mkEnableOption mkOption literalExpression;
   inherit (lib.modules) mkIf mkMerge;
   inherit (lib.meta) getExe;
-  inherit (lib.nvim.languages) diagnosticsToLua;
   inherit (lib.types) either package listOf str;
   inherit (lib.nvim.types) mkGrammarOption diagnostics;
   inherit (lib.lists) isList;
@@ -19,14 +18,6 @@
   diagnosticsProviders = {
     ktlint = {
       package = pkgs.ktlint;
-      nullConfig = pkg: ''
-        table.insert(
-          ls_sources,
-          null_ls.builtins.diagnostics.ktlint.with({
-            command = "${getExe pkg}",
-          })
-        )
-      '';
     };
   };
 in {
@@ -76,11 +67,13 @@ in {
     })
 
     (mkIf cfg.extraDiagnostics.enable {
-      vim.lsp.null-ls.enable = true;
-      vim.lsp.null-ls.sources = diagnosticsToLua {
-        lang = "kotlin";
-        config = cfg.extraDiagnostics.types;
-        inherit diagnosticsProviders;
+      vim.diagnostics.nvim-lint = {
+        enable = true;
+        linters_by_ft.kotlin = cfg.extraDiagnostics.types;
+        linters = mkMerge (map (name: {
+            ${name}.cmd = getExe diagnosticsProviders.${name}.package;
+          })
+          cfg.extraDiagnostics.types);
       };
     })
 

From ab5dbb263e03cd9004ed9a5c543687229470d76f Mon Sep 17 00:00:00 2001
From: Ching Pei Yang <badnam3o.0@gmail.com>
Date: Thu, 27 Mar 2025 20:13:07 +0100
Subject: [PATCH 12/24] language/markdown: migrate to conform/nvim-lint

---
 modules/plugins/languages/markdown.nix | 42 ++++++++++++--------------
 1 file changed, 19 insertions(+), 23 deletions(-)

diff --git a/modules/plugins/languages/markdown.nix b/modules/plugins/languages/markdown.nix
index ac098a1c..6767a9cf 100644
--- a/modules/plugins/languages/markdown.nix
+++ b/modules/plugins/languages/markdown.nix
@@ -5,9 +5,10 @@
   ...
 }: let
   inherit (builtins) attrNames;
+  inherit (lib.meta) getExe;
   inherit (lib.modules) mkIf mkMerge;
   inherit (lib.options) mkEnableOption mkOption;
-  inherit (lib.lists) isList concatLists;
+  inherit (lib.lists) isList;
   inherit (lib.types) bool enum either package listOf str;
   inherit (lib.nvim.lua) expToLua toLuaObject;
   inherit (lib.nvim.types) mkGrammarOption mkPluginSetupOption;
@@ -32,31 +33,17 @@
     };
   };
 
-  defaultFormat = "denofmt";
+  defaultFormat = "deno_fmt";
   formats = {
+    # for backwards compatibility
     denofmt = {
       package = pkgs.deno;
-      nullConfig = ''
-        table.insert(
-          ls_sources,
-          null_ls.builtins.formatting.deno_fmt.with({
-            filetypes = ${expToLua (concatLists [cfg.format.extraFiletypes ["markdown"]])},
-            command = "${cfg.format.package}/bin/deno",
-          })
-        )
-      '';
+    };
+    deno_fmt = {
+      package = pkgs.deno;
     };
     prettierd = {
       package = pkgs.prettierd;
-      nullConfig = ''
-        table.insert(
-          ls_sources,
-          null_ls.builtins.formatting.prettierd.with({
-            filetypes = ${expToLua (concatLists [cfg.format.extraFiletypes ["markdown"]])},
-            command = "${cfg.format.package}/bin/prettierd",
-          })
-        )
-      '';
     };
   };
 in {
@@ -96,7 +83,7 @@ in {
       type = mkOption {
         type = enum (attrNames formats);
         default = defaultFormat;
-        description = "Markdown formatter to use";
+        description = "Markdown formatter to use. `denofmt` is deprecated and currently aliased to deno_fmt.";
       };
 
       package = mkOption {
@@ -148,8 +135,17 @@ in {
     })
 
     (mkIf cfg.format.enable {
-      vim.lsp.null-ls.enable = true;
-      vim.lsp.null-ls.sources.markdown-format = formats.${cfg.format.type}.nullConfig;
+      vim.formatter.conform-nvim = {
+        enable = true;
+        setupOpts.formatters_by_ft.markdown = [cfg.format.type];
+        setupOpts.formatters.${
+          if cfg.format.type == "denofmt"
+          then "deno_fmt"
+          else cfg.format.type
+        } = {
+          command = getExe cfg.format.package;
+        };
+      };
     })
 
     # Extensions

From e0bcd93bea016dd8caf20495783cd1b3220bf08b Mon Sep 17 00:00:00 2001
From: Ching Pei Yang <badnam3o.0@gmail.com>
Date: Thu, 27 Mar 2025 20:14:05 +0100
Subject: [PATCH 13/24] language/nim: migrate to conform/nvim-lint

---
 modules/plugins/languages/nim.nix | 19 +++++++++----------
 1 file changed, 9 insertions(+), 10 deletions(-)

diff --git a/modules/plugins/languages/nim.nix b/modules/plugins/languages/nim.nix
index f218038e..69288223 100644
--- a/modules/plugins/languages/nim.nix
+++ b/modules/plugins/languages/nim.nix
@@ -6,6 +6,7 @@
 }: let
   inherit (builtins) attrNames;
   inherit (lib.options) mkEnableOption mkOption;
+  inherit (lib.meta) getExe;
   inherit (lib.modules) mkIf mkMerge;
   inherit (lib.lists) isList;
   inherit (lib.types) enum either listOf package str;
@@ -38,14 +39,9 @@
   formats = {
     nimpretty = {
       package = pkgs.nim;
-      nullConfig = ''
-        table.insert(
-          ls_sources,
-          null_ls.builtins.formatting.nimpretty.with({
-            command = "${pkgs.nim}/bin/nimpretty",
-          })
-        )
-      '';
+      config = {
+        command = "${cfg.format.package}/bin/nimpretty";
+      };
     };
   };
 in {
@@ -110,8 +106,11 @@ in {
     })
 
     (mkIf cfg.format.enable {
-      vim.lsp.null-ls.enable = true;
-      vim.lsp.null-ls.sources.nim-format = formats.${cfg.format.type}.nullConfig;
+      vim.formatter.conform-nvim = {
+        enable = true;
+        setupOpts.formatters_by_ft.nim = [cfg.format.type];
+        setupOpts.formatters.${cfg.format.type} = formats.${cfg.format.type}.config;
+      };
     })
   ]);
 }

From 09e5a13c6159c32d7ff1adfb39b2075b04dfa9a1 Mon Sep 17 00:00:00 2001
From: Ching Pei Yang <badnam3o.0@gmail.com>
Date: Thu, 27 Mar 2025 20:16:32 +0100
Subject: [PATCH 14/24] language/ocaml: migrate to conform/nvim-lint

---
 modules/plugins/languages/ocaml.nix | 18 +++++++-----------
 1 file changed, 7 insertions(+), 11 deletions(-)

diff --git a/modules/plugins/languages/ocaml.nix b/modules/plugins/languages/ocaml.nix
index ddfa85e4..568b846e 100644
--- a/modules/plugins/languages/ocaml.nix
+++ b/modules/plugins/languages/ocaml.nix
@@ -37,14 +37,6 @@
   formats = {
     ocamlformat = {
       package = pkgs.ocamlPackages.ocamlformat;
-      nullConfig = ''
-        table.insert(
-          ls_sources,
-          null_ls.builtins.formatting.ocamlformat.with({
-            command = "${cfg.format.package}/bin/ocamlformat",
-          })
-        )
-      '';
     };
   };
 in {
@@ -97,9 +89,13 @@ in {
     })
 
     (mkIf cfg.format.enable {
-      vim.lsp.null-ls.enable = true;
-      vim.lsp.null-ls.sources.ocamlformat = formats.${cfg.format.type}.nullConfig;
-      vim.extraPackages = [formats.${cfg.format.type}.package];
+      vim.formatter.conform-nvim = {
+        enable = true;
+        setupOpts.formatters_by_ft.ocaml = [cfg.format.type];
+        setupOpts.formatters.${cfg.format.type} = {
+          command = getExe cfg.format.package;
+        };
+      };
     })
   ]);
 }

From a5deffb8900756d32ca668682fadcb6b0c00949e Mon Sep 17 00:00:00 2001
From: Ching Pei Yang <badnam3o.0@gmail.com>
Date: Fri, 28 Mar 2025 10:11:33 +0100
Subject: [PATCH 15/24] language/python: migrate to conform/nvim-lint

---
 modules/plugins/languages/python.nix | 51 +++++++++-------------------
 1 file changed, 16 insertions(+), 35 deletions(-)

diff --git a/modules/plugins/languages/python.nix b/modules/plugins/languages/python.nix
index 0a3c6c8a..ccb15f7c 100644
--- a/modules/plugins/languages/python.nix
+++ b/modules/plugins/languages/python.nix
@@ -66,26 +66,10 @@
   formats = {
     black = {
       package = pkgs.black;
-      nullConfig = ''
-        table.insert(
-          ls_sources,
-          null_ls.builtins.formatting.black.with({
-            command = "${cfg.format.package}/bin/black",
-          })
-        )
-      '';
     };
 
     isort = {
       package = pkgs.isort;
-      nullConfig = ''
-        table.insert(
-          ls_sources,
-          null_ls.builtins.formatting.isort.with({
-            command = "${cfg.format.package}/bin/isort",
-          })
-        )
-      '';
     };
 
     black-and-isort = {
@@ -96,15 +80,6 @@
           black --quiet - "$@" | isort --profile black -
         '';
       };
-
-      nullConfig = ''
-        table.insert(
-          ls_sources,
-          null_ls.builtins.formatting.black.with({
-            command = "${cfg.format.package}/bin/black",
-          })
-        )
-      '';
     };
 
     ruff = {
@@ -115,14 +90,6 @@
           ruff format -
         '';
       };
-      nullConfig = ''
-        table.insert(
-          ls_sources,
-          null_ls.builtins.formatting.ruff.with({
-            command = "${cfg.format.package}/bin/ruff",
-          })
-        )
-      '';
     };
   };
 
@@ -272,8 +239,22 @@ in {
     })
 
     (mkIf cfg.format.enable {
-      vim.lsp.null-ls.enable = true;
-      vim.lsp.null-ls.sources.python-format = formats.${cfg.format.type}.nullConfig;
+      vim.formatter.conform-nvim = {
+        enable = true;
+        # HACK: I'm planning to remove these soon so I just took the easiest way out
+        setupOpts.formatters_by_ft.python =
+          if cfg.format.type == "black-and-isort"
+          then ["black"]
+          else [cfg.format.type];
+        setupOpts.formatters =
+          if (cfg.format.type == "black-and-isort")
+          then {
+            black.command = "${cfg.format.package}/bin/black";
+          }
+          else {
+            ${cfg.format.type}.command = getExe cfg.format.package;
+          };
+      };
     })
 
     (mkIf cfg.dap.enable {

From 7cf9e5c0a6b5411dc1059d0cb7006eb9ea59899a Mon Sep 17 00:00:00 2001
From: Ching Pei Yang <badnam3o.0@gmail.com>
Date: Fri, 28 Mar 2025 11:09:20 +0100
Subject: [PATCH 16/24] language/r: migrate to conform/nvim-lint

---
 modules/plugins/languages/r.nix | 40 ++++++++++++++++++---------------
 1 file changed, 22 insertions(+), 18 deletions(-)

diff --git a/modules/plugins/languages/r.nix b/modules/plugins/languages/r.nix
index 8a685a01..fcadcc37 100644
--- a/modules/plugins/languages/r.nix
+++ b/modules/plugins/languages/r.nix
@@ -24,28 +24,29 @@
       package = pkgs.rWrapper.override {
         packages = [pkgs.rPackages.styler];
       };
-      nullConfig = ''
-        table.insert(
-          ls_sources,
-          null_ls.builtins.formatting.styler.with({
-            command = "${cfg.format.package}/bin/R",
-          })
-        )
-      '';
+      config = {
+        command = "${cfg.format.package}/bin/R";
+      };
     };
 
     format_r = {
       package = pkgs.rWrapper.override {
         packages = [pkgs.rPackages.formatR];
       };
-      nullConfig = ''
-        table.insert(
-          ls_sources,
-          null_ls.builtins.formatting.format_r.with({
-            command = "${cfg.format.package}/bin/R",
-          })
-        )
-      '';
+      config = {
+        command = "${cfg.format.package}/bin/R";
+        stdin = true;
+        args = [
+          "--slave"
+          "--no-restore"
+          "--no-save"
+          "-s"
+          "-e"
+          ''formatR::tidy_source(source="stdin")''
+        ];
+        # TODO: range_args seem to be possible
+        # https://github.com/nvimtools/none-ls.nvim/blob/main/lua/null-ls/builtins/formatting/format_r.lua
+      };
     };
   };
 
@@ -118,8 +119,11 @@ in {
     })
 
     (mkIf cfg.format.enable {
-      vim.lsp.null-ls.enable = true;
-      vim.lsp.null-ls.sources.r-format = formats.${cfg.format.type}.nullConfig;
+      vim.formatter.conform-nvim = {
+        enable = true;
+        setupOpts.formatters_by_ft.r = [cfg.format.type];
+        setupOpts.formatters.${cfg.format.type} = formats.${cfg.format.type}.config;
+      };
     })
 
     (mkIf cfg.lsp.enable {

From 2c153f57e68ec418cba227ba15473ae11e78c18e Mon Sep 17 00:00:00 2001
From: Ching Pei Yang <badnam3o.0@gmail.com>
Date: Fri, 28 Mar 2025 11:34:14 +0100
Subject: [PATCH 17/24] language/ruby: migrate to conform/nvim-lint

---
 modules/plugins/languages/ruby.nix | 50 ++++++++++--------------------
 1 file changed, 17 insertions(+), 33 deletions(-)

diff --git a/modules/plugins/languages/ruby.nix b/modules/plugins/languages/ruby.nix
index 33f11d5d..2f42aa4f 100644
--- a/modules/plugins/languages/ruby.nix
+++ b/modules/plugins/languages/ruby.nix
@@ -6,10 +6,10 @@
 }: let
   inherit (builtins) attrNames;
   inherit (lib.options) mkEnableOption mkOption;
+  inherit (lib.meta) getExe;
   inherit (lib.modules) mkIf mkMerge;
   inherit (lib.nvim.types) mkGrammarOption diagnostics;
   inherit (lib.types) either listOf package str enum;
-  inherit (lib.nvim.languages) diagnosticsToLua;
 
   cfg = config.vim.languages.ruby;
 
@@ -35,24 +35,8 @@
   defaultFormat = "rubocop";
   formats = {
     rubocop = {
+      # TODO: is this right?
       package = pkgs.rubyPackages.rubocop;
-      nullConfig = ''
-        local conditional = function(fn)
-          local utils = require("null-ls.utils").make_conditional_utils()
-          return fn(utils)
-        end
-
-        table.insert(
-          ls_sources,
-          null_ls.builtins.formatting.rubocop.with({
-            command="${pkgs.bundler}/bin/bundle",
-            args = vim.list_extend(
-              {"exec", "rubocop", "-a" },
-              null_ls.builtins.formatting.rubocop._opts.args
-            ),
-          })
-        )
-      '';
     };
   };
 
@@ -60,14 +44,7 @@
   diagnosticsProviders = {
     rubocop = {
       package = pkgs.rubyPackages.rubocop;
-      nullConfig = pkg: ''
-        table.insert(
-          ls_sources,
-          null_ls.builtins.diagnostics.rubocop.with({
-            command = "${lib.getExe pkg}",
-          })
-        )
-      '';
+      config.command = getExe cfg.format.package;
     };
   };
 in {
@@ -136,16 +113,23 @@ in {
     })
 
     (mkIf cfg.format.enable {
-      vim.lsp.null-ls.enable = true;
-      vim.lsp.null-ls.sources.ruby-format = formats.${cfg.format.type}.nullConfig;
+      vim.formatter.conform-nvim = {
+        enable = true;
+        setupOpts.formatters_by_ft.ruby = [cfg.format.type];
+        setupOpts.formatters.${cfg.format.type} = {
+          command = getExe cfg.format.package;
+        };
+      };
     })
 
     (mkIf cfg.extraDiagnostics.enable {
-      vim.lsp.null-ls.enable = true;
-      vim.lsp.null-ls.sources = diagnosticsToLua {
-        lang = "ruby";
-        config = cfg.extraDiagnostics.types;
-        inherit diagnosticsProviders;
+      vim.diagnostics.nvim-lint = {
+        enable = true;
+        linters_by_ft.ruby = cfg.extraDiagnostics.types;
+        linters = mkMerge (map (name: {
+            ${name}.cmd = getExe diagnosticsProviders.${name}.package;
+          })
+          cfg.extraDiagnostics.types);
       };
     })
   ]);

From 24a3989ddc07fe531efd9fa015257077c6f2a98b Mon Sep 17 00:00:00 2001
From: Ching Pei Yang <badnam3o.0@gmail.com>
Date: Fri, 28 Mar 2025 11:36:53 +0100
Subject: [PATCH 18/24] language/rust: migrate to conform/nvim-lint

---
 modules/plugins/languages/rust.nix | 18 ++++++++----------
 1 file changed, 8 insertions(+), 10 deletions(-)

diff --git a/modules/plugins/languages/rust.nix b/modules/plugins/languages/rust.nix
index aea10687..2181623a 100644
--- a/modules/plugins/languages/rust.nix
+++ b/modules/plugins/languages/rust.nix
@@ -5,6 +5,7 @@
   ...
 }: let
   inherit (builtins) attrNames;
+  inherit (lib.meta) getExe;
   inherit (lib.modules) mkIf mkMerge;
   inherit (lib.options) mkOption mkEnableOption;
   inherit (lib.strings) optionalString;
@@ -21,14 +22,6 @@
   formats = {
     rustfmt = {
       package = pkgs.rustfmt;
-      nullConfig = ''
-        table.insert(
-          ls_sources,
-          null_ls.builtins.formatting.rustfmt.with({
-            command = "${cfg.format.package}/bin/rustfmt",
-          })
-        )
-      '';
     };
   };
 in {
@@ -128,8 +121,13 @@ in {
     })
 
     (mkIf cfg.format.enable {
-      vim.lsp.null-ls.enable = true;
-      vim.lsp.null-ls.sources.rust-format = formats.${cfg.format.type}.nullConfig;
+      vim.formatter.conform-nvim = {
+        enable = true;
+        setupOpts.formatters_by_ft.rust = [cfg.format.type];
+        setupOpts.formatters.${cfg.format.type} = {
+          command = getExe cfg.format.package;
+        };
+      };
     })
 
     (mkIf (cfg.lsp.enable || cfg.dap.enable) {

From 0db226be846592a187a4b2893ee403a53a7cdee7 Mon Sep 17 00:00:00 2001
From: Ching Pei Yang <badnam3o.0@gmail.com>
Date: Fri, 28 Mar 2025 12:00:36 +0100
Subject: [PATCH 19/24] language/sql: migrate to conform/nvim-lint

---
 modules/plugins/languages/sql.nix | 46 ++++++++++++++-----------------
 1 file changed, 20 insertions(+), 26 deletions(-)

diff --git a/modules/plugins/languages/sql.nix b/modules/plugins/languages/sql.nix
index ed08ee72..277dbeef 100644
--- a/modules/plugins/languages/sql.nix
+++ b/modules/plugins/languages/sql.nix
@@ -6,11 +6,11 @@
 }: let
   inherit (builtins) attrNames;
   inherit (lib.options) mkEnableOption mkOption;
+  inherit (lib.meta) getExe;
   inherit (lib.modules) mkIf mkMerge;
   inherit (lib.lists) isList;
   inherit (lib.types) enum either listOf package str;
   inherit (lib.nvim.lua) expToLua;
-  inherit (lib.nvim.languages) diagnosticsToLua;
   inherit (lib.nvim.types) diagnostics;
 
   cfg = config.vim.languages.sql;
@@ -41,15 +41,10 @@
   formats = {
     sqlfluff = {
       package = sqlfluffDefault;
-      nullConfig = ''
-        table.insert(
-          ls_sources,
-          null_ls.builtins.formatting.sqlfluff.with({
-            command = "${cfg.format.package}/bin/sqlfluff",
-            extra_args = {"--dialect", "${cfg.dialect}"}
-          })
-        )
-      '';
+      config = {
+        command = getExe cfg.format.package;
+        append_args = ["--dialect=${cfg.dialect}"];
+      };
     };
   };
 
@@ -57,15 +52,10 @@
   diagnosticsProviders = {
     sqlfluff = {
       package = sqlfluffDefault;
-      nullConfig = pkg: ''
-        table.insert(
-          ls_sources,
-          null_ls.builtins.diagnostics.sqlfluff.with({
-            command = "${pkg}/bin/sqlfluff",
-            extra_args = {"--dialect", "${cfg.dialect}"}
-          })
-        )
-      '';
+      config = {
+        cmd = getExe sqlfluffDefault;
+        args = ["lint" "--format=json" "--dialect=${cfg.dialect}"];
+      };
     };
   };
 in {
@@ -150,16 +140,20 @@ in {
     })
 
     (mkIf cfg.format.enable {
-      vim.lsp.null-ls.enable = true;
-      vim.lsp.null-ls.sources."sql-format" = formats.${cfg.format.type}.nullConfig;
+      vim.formatter.conform-nvim = {
+        enable = true;
+        setupOpts.formatters_by_ft.sql = [cfg.format.type];
+        setupOpts.formatters.${cfg.format.type} = formats.${cfg.format.type}.config;
+      };
     })
 
     (mkIf cfg.extraDiagnostics.enable {
-      vim.lsp.null-ls.enable = true;
-      vim.lsp.null-ls.sources = diagnosticsToLua {
-        lang = "sql";
-        config = cfg.extraDiagnostics.types;
-        inherit diagnosticsProviders;
+      vim.diagnostics.nvim-lint = {
+        enable = true;
+        linters_by_ft.sql = cfg.extraDiagnostics.types;
+        linters =
+          mkMerge (map (name: {${name} = diagnosticsProviders.${name}.config;})
+            cfg.extraDiagnostics.types);
       };
     })
   ]);

From bc76ced636feadbb195ff1dceb809e4e6fbddd9c Mon Sep 17 00:00:00 2001
From: Ching Pei Yang <badnam3o.0@gmail.com>
Date: Fri, 28 Mar 2025 12:05:17 +0100
Subject: [PATCH 20/24] language/svelte: migrate to conform/nvim-lint

---
 modules/plugins/languages/svelte.nix | 80 +++++++++++++---------------
 1 file changed, 36 insertions(+), 44 deletions(-)

diff --git a/modules/plugins/languages/svelte.nix b/modules/plugins/languages/svelte.nix
index 4d96c20a..67f11bc2 100644
--- a/modules/plugins/languages/svelte.nix
+++ b/modules/plugins/languages/svelte.nix
@@ -9,9 +9,9 @@
   inherit (lib.modules) mkIf mkMerge;
   inherit (lib.lists) isList;
   inherit (lib.meta) getExe;
+  inherit (lib.generators) mkLuaInline;
   inherit (lib.types) enum either listOf package str;
   inherit (lib.nvim.lua) expToLua;
-  inherit (lib.nvim.languages) diagnosticsToLua;
   inherit (lib.nvim.types) mkGrammarOption diagnostics;
 
   cfg = config.vim.languages.svelte;
@@ -39,52 +39,38 @@
   formats = {
     prettier = {
       package = pkgs.nodePackages.prettier;
-      nullConfig = ''
-        table.insert(
-          ls_sources,
-          null_ls.builtins.formatting.prettier.with({
-            command = "${cfg.format.package}/bin/prettier",
-          })
-        )
-      '';
     };
 
     biome = {
       package = pkgs.biome;
-      nullConfig = ''
-        table.insert(
-          ls_sources,
-          null_ls.builtins.formatting.biome.with({
-            command = "${cfg.format.package}/bin/biome",
-          })
-        )
-      '';
     };
   };
 
   # TODO: specify packages
   defaultDiagnosticsProvider = ["eslint_d"];
   diagnosticsProviders = {
-    eslint_d = {
-      package = pkgs.eslint_d;
-      nullConfig = pkg: ''
-        table.insert(
-          ls_sources,
-          null_ls.builtins.diagnostics.eslint_d.with({
-            command = "${getExe pkg}",
-            condition = function(utils)
-              return utils.root_has_file({
-                "eslint.config.js",
-                "eslint.config.mjs",
-                ".eslintrc",
-                ".eslintrc.json",
-                ".eslintrc.js",
-                ".eslintrc.yml",
-              })
-            end,
-          })
-        )
-      '';
+    eslint_d = let
+      pkg = pkgs.eslint_d;
+    in {
+      package = pkg;
+      config = {
+        cmd = getExe pkg;
+        # HACK: change if nvim-lint gets a dynamic enable thing
+        parser = mkLuaInline ''
+          function(output, bufnr, cwd)
+            local markers = { "eslint.config.js", "eslint.config.mjs",
+              ".eslintrc", ".eslintrc.json", ".eslintrc.js", ".eslintrc.yml", }
+            for _, filename in ipairs(markers) do
+              local path = vim.fs.join(cwd, filename)
+              if vim.loop.fs_stat(path) then
+                return require("lint.linters.eslint_d").parser(output, bufnr, cwd)
+              end
+            end
+
+            return {}
+          end
+        '';
+      };
     };
   };
 in {
@@ -153,16 +139,22 @@ in {
     })
 
     (mkIf cfg.format.enable {
-      vim.lsp.null-ls.enable = true;
-      vim.lsp.null-ls.sources.svelte-format = formats.${cfg.format.type}.nullConfig;
+      vim.formatter.conform-nvim = {
+        enable = true;
+        setupOpts.formatters_by_ft.svelte = [cfg.format.type];
+        setupOpts.formatters.${cfg.format.type} = {
+          command = getExe cfg.format.package;
+        };
+      };
     })
 
     (mkIf cfg.extraDiagnostics.enable {
-      vim.lsp.null-ls.enable = true;
-      vim.lsp.null-ls.sources = diagnosticsToLua {
-        lang = "svelte";
-        config = cfg.extraDiagnostics.types;
-        inherit diagnosticsProviders;
+      vim.diagnostics.nvim-lint = {
+        enable = true;
+        linters_by_ft.svelte = cfg.extraDiagnostics.types;
+        linters =
+          mkMerge (map (name: {${name} = diagnosticsProviders.${name}.config;})
+            cfg.extraDiagnostics.types);
       };
     })
   ]);

From 6f5738da0c59db306cfc1c19571105be055699d7 Mon Sep 17 00:00:00 2001
From: Ching Pei Yang <badnam3o.0@gmail.com>
Date: Fri, 28 Mar 2025 12:12:22 +0100
Subject: [PATCH 21/24] language/ts: migrate to conform/nvim-lint

---
 modules/plugins/languages/ts.nix | 87 +++++++++++++-------------------
 1 file changed, 36 insertions(+), 51 deletions(-)

diff --git a/modules/plugins/languages/ts.nix b/modules/plugins/languages/ts.nix
index 790c235a..8589d7ec 100644
--- a/modules/plugins/languages/ts.nix
+++ b/modules/plugins/languages/ts.nix
@@ -9,10 +9,10 @@
   inherit (lib.modules) mkIf mkMerge;
   inherit (lib.lists) isList;
   inherit (lib.meta) getExe;
+  inherit (lib.generators) mkLuaInline;
   inherit (lib.types) enum either listOf package str bool;
   inherit (lib.nvim.lua) expToLua toLuaObject;
   inherit (lib.nvim.types) mkGrammarOption diagnostics mkPluginSetupOption;
-  inherit (lib.nvim.languages) diagnosticsToLua;
   inherit (lib.nvim.dag) entryAnywhere;
 
   cfg = config.vim.languages.ts;
@@ -77,39 +77,14 @@
   formats = {
     prettier = {
       package = pkgs.nodePackages.prettier;
-      nullConfig = ''
-        table.insert(
-          ls_sources,
-          null_ls.builtins.formatting.prettier.with({
-            command = "${cfg.format.package}/bin/prettier",
-            filetypes = { "typescript", "javascript" },
-          })
-        )
-      '';
     };
 
     prettierd = {
       package = pkgs.prettierd;
-      nullConfig = ''
-        table.insert(
-          ls_sources,
-          null_ls.builtins.formatting.prettier.with({
-            command = "${cfg.format.package}/bin/prettierd",
-          })
-        )
-      '';
     };
 
     biome = {
       package = pkgs.biome;
-      nullConfig = ''
-        table.insert(
-          ls_sources,
-          null_ls.builtins.formatting.biome.with({
-            command = "${cfg.format.package}/bin/biome",
-          })
-        )
-      '';
     };
   };
 
@@ -118,24 +93,26 @@
   diagnosticsProviders = {
     eslint_d = {
       package = pkgs.eslint_d;
-      nullConfig = pkg: ''
-        table.insert(
-          ls_sources,
-          null_ls.builtins.diagnostics.eslint_d.with({
-            command = "${getExe pkg}",
-            condition = function(utils)
-              return utils.root_has_file({
-                "eslint.config.js",
-                "eslint.config.mjs",
-                ".eslintrc",
-                ".eslintrc.json",
-                ".eslintrc.js",
-                ".eslintrc.yml",
-              })
-            end,
-          })
-        )
-      '';
+      config = let
+        pkg = pkgs.eslint_d;
+      in {
+        cmd = getExe pkg;
+        # HACK: change if nvim-lint gets a dynamic enable thing
+        parser = mkLuaInline ''
+          function(output, bufnr, cwd)
+            local markers = { "eslint.config.js", "eslint.config.mjs",
+              ".eslintrc", ".eslintrc.json", ".eslintrc.js", ".eslintrc.yml", }
+            for _, filename in ipairs(markers) do
+              local path = vim.fs.join(cwd, filename)
+              if vim.loop.fs_stat(path) then
+                return require("lint.linters.eslint_d").parser(output, bufnr, cwd)
+              end
+            end
+
+            return {}
+          end
+        '';
+      };
     };
   };
 in {
@@ -225,16 +202,24 @@ in {
     })
 
     (mkIf cfg.format.enable {
-      vim.lsp.null-ls.enable = true;
-      vim.lsp.null-ls.sources.ts-format = formats.${cfg.format.type}.nullConfig;
+      vim.formatter.conform-nvim = {
+        enable = true;
+        setupOpts.formatters_by_ft.typescript = [cfg.format.type];
+        setupOpts.formatters.${cfg.format.type} = {
+          command = getExe cfg.format.package;
+        };
+      };
     })
 
     (mkIf cfg.extraDiagnostics.enable {
-      vim.lsp.null-ls.enable = true;
-      vim.lsp.null-ls.sources = diagnosticsToLua {
-        lang = "ts";
-        config = cfg.extraDiagnostics.types;
-        inherit diagnosticsProviders;
+      vim.diagnostics.nvim-lint = {
+        enable = true;
+        linters_by_ft.typescript = cfg.extraDiagnostics.types;
+
+        linters = mkMerge (map (name: {
+            ${name}.cmd = getExe diagnosticsProviders.${name}.package;
+          })
+          cfg.extraDiagnostics.types);
       };
     })
 

From d45763f7e26259b801b8adff4ba75ffd3fbfabe2 Mon Sep 17 00:00:00 2001
From: Ching Pei Yang <badnam3o.0@gmail.com>
Date: Fri, 28 Mar 2025 12:16:07 +0100
Subject: [PATCH 22/24] language/typst: migrate to conform/nvim-lint

---
 modules/plugins/languages/typst.nix | 26 +++++++-------------------
 1 file changed, 7 insertions(+), 19 deletions(-)

diff --git a/modules/plugins/languages/typst.nix b/modules/plugins/languages/typst.nix
index 24097e2c..8c65ae2c 100644
--- a/modules/plugins/languages/typst.nix
+++ b/modules/plugins/languages/typst.nix
@@ -9,7 +9,6 @@
   inherit (lib.lists) isList;
   inherit (lib.types) nullOr enum either attrsOf listOf package str;
   inherit (lib.attrsets) attrNames;
-  inherit (lib.generators) mkLuaInline;
   inherit (lib.meta) getExe;
   inherit (lib.nvim.lua) expToLua toLuaObject;
   inherit (lib.nvim.types) mkGrammarOption mkPluginSetupOption;
@@ -61,26 +60,10 @@
   formats = {
     typstfmt = {
       package = pkgs.typstfmt;
-      nullConfig = ''
-        table.insert(
-          ls_sources,
-          null_ls.builtins.formatting.typstfmt.with({
-            command = "${cfg.format.package}/bin/typstfmt",
-          })
-        )
-      '';
     };
     # https://github.com/Enter-tainer/typstyle
     typstyle = {
       package = pkgs.typstyle;
-      nullConfig = ''
-        table.insert(
-          ls_sources,
-          null_ls.builtins.formatting.typstfmt.with({
-            command = "${cfg.format.package}/bin/typstyle",
-          })
-        )
-      '';
     };
   };
 in {
@@ -176,8 +159,13 @@ in {
     })
 
     (mkIf cfg.format.enable {
-      vim.lsp.null-ls.enable = true;
-      vim.lsp.null-ls.sources.typst-format = formats.${cfg.format.type}.nullConfig;
+      vim.formatter.conform-nvim = {
+        enable = true;
+        setupOpts.formatters_by_ft.typst = [cfg.format.type];
+        setupOpts.formatters.${cfg.format.type} = {
+          command = getExe cfg.format.package;
+        };
+      };
     })
 
     (mkIf cfg.lsp.enable {

From e353ae9f71facdcb591c187c5a1bca8d2a33f928 Mon Sep 17 00:00:00 2001
From: Ching Pei Yang <badnam3o.0@gmail.com>
Date: Sat, 29 Mar 2025 14:59:48 +0100
Subject: [PATCH 23/24] docs: update release notes

---
 docs/release-notes/rl-0.8.md | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/docs/release-notes/rl-0.8.md b/docs/release-notes/rl-0.8.md
index 7f6c6ffe..d4dcdf60 100644
--- a/docs/release-notes/rl-0.8.md
+++ b/docs/release-notes/rl-0.8.md
@@ -88,8 +88,11 @@
 
 [blink.cmp]: https://github.com/saghen/blink.cmp
 
+- Add [aerial.nvim].
+- Add [nvim-ufo].
 - Add [blink.cmp] support.
 - Add `LazyFile` user event.
+- Migrate language modules from none-ls to conform/nvim-lint
 
 [diniamo](https://github.com/diniamo):
 
@@ -98,14 +101,6 @@
 - Disable the built-in format-on-save feature of zls. Use `vim.lsp.formatOnSave`
   instead.
 
-[horriblename](https://github.com/horriblename):
-
-[aerial.nvim]: (https://github.com/stevearc/aerial.nvim)
-[nvim-ufo]: (https://github.com/kevinhwang91/nvim-ufo)
-
-- Add [aerial.nvim].
-- Add [nvim-ufo].
-
 [LilleAila](https://github.com/LilleAila):
 
 - Remove `vim.notes.obsidian.setupOpts.dir`, which was set by default. Fixes

From 91a167f334266b8c8a669f3acf38b9e695ef4504 Mon Sep 17 00:00:00 2001
From: Ching Pei Yang <badnam3o.0@gmail.com>
Date: Sat, 29 Mar 2025 15:58:15 +0100
Subject: [PATCH 24/24] chore: update none-ls

---
 npins/sources.json | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/npins/sources.json b/npins/sources.json
index d1c9fb7d..99220bf8 100644
--- a/npins/sources.json
+++ b/npins/sources.json
@@ -1551,9 +1551,9 @@
       },
       "branch": "main",
       "submodules": false,
-      "revision": "bb680d752cec37949faca7a1f509e2fe67ab418a",
-      "url": "https://github.com/nvimtools/none-ls.nvim/archive/bb680d752cec37949faca7a1f509e2fe67ab418a.tar.gz",
-      "hash": "11zgc86cjkv1vi183mplx3bsqa2x7ardk7ybyrp702xx5hmd882l"
+      "revision": "a117163db44c256d53c3be8717f3e1a2a28e6299",
+      "url": "https://github.com/nvimtools/none-ls.nvim/archive/a117163db44c256d53c3be8717f3e1a2a28e6299.tar.gz",
+      "hash": "1qxi1wq3snhns49sl6rli5hsgjn7zzc43brnwv0b6mfzl55ydzr8"
     },
     "nord": {
       "type": "Git",