diff --git a/flake.lock b/flake.lock
index c8c20733..3f7a9b57 100644
--- a/flake.lock
+++ b/flake.lock
@@ -53,15 +53,15 @@
     "flake-compat": {
       "flake": false,
       "locked": {
-        "lastModified": 1761588595,
-        "narHash": "sha256-XKUZz9zewJNUj46b4AJdiRZJAvSZ0Dqj2BNfXvFlJC4=",
-        "owner": "edolstra",
+        "lastModified": 1767039857,
+        "narHash": "sha256-vNpUSpF5Nuw8xvDLj2KCwwksIbjua2LZCqhV1LNRDns=",
+        "owner": "NixOS",
         "repo": "flake-compat",
-        "rev": "f387cd2afec9419c8ee37694406ca490c3f34ee5",
+        "rev": "5edf11c44bc78a0d334f6334cdaf7d60d732daab",
         "type": "github"
       },
       "original": {
-        "owner": "edolstra",
+        "owner": "NixOS",
         "repo": "flake-compat",
         "type": "github"
       }
@@ -73,11 +73,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1765835352,
-        "narHash": "sha256-XswHlK/Qtjasvhd1nOa1e8MgZ8GS//jBoTqWtrS1Giw=",
+        "lastModified": 1768135262,
+        "narHash": "sha256-PVvu7OqHBGWN16zSi6tEmPwwHQ4rLPU9Plvs8/1TUBY=",
         "owner": "hercules-ci",
         "repo": "flake-parts",
-        "rev": "a34fae9c08a15ad73f295041fec82323541400a9",
+        "rev": "80daad04eddbbf5a4d883996a73f3f542fa437ac",
         "type": "github"
       },
       "original": {
@@ -117,11 +117,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1765911976,
-        "narHash": "sha256-t3T/xm8zstHRLx+pIHxVpQTiySbKqcQbK+r+01XVKc0=",
+        "lastModified": 1769069492,
+        "narHash": "sha256-Efs3VUPelRduf3PpfPP2ovEB4CXT7vHf8W+xc49RL/U=",
         "owner": "cachix",
         "repo": "git-hooks.nix",
-        "rev": "b68b780b69702a090c8bb1b973bab13756cc7a27",
+        "rev": "a1ef738813b15cf8ec759bdff5761b027e3e1d23",
         "type": "github"
       },
       "original": {
@@ -159,11 +159,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1766171975,
-        "narHash": "sha256-47Ee0bTidhF/3/sHuYnWRuxcCrrm0mBNDxBkOTd3wWQ=",
+        "lastModified": 1769442288,
+        "narHash": "sha256-p+Xqr+P22TYW2RqbwccSd4UlUDEwl7PnoW3qiH8wVoE=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "bb35f07cc95a73aacbaf1f7f46bb8a3f40f265b5",
+        "rev": "384786dc70c4992643f916c7e57f378714fec4f1",
         "type": "github"
       },
       "original": {
@@ -175,11 +175,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1766070988,
-        "narHash": "sha256-G/WVghka6c4bAzMhTwT2vjLccg/awmHkdKSd2JrycLc=",
+        "lastModified": 1769170682,
+        "narHash": "sha256-oMmN1lVQU0F0W2k6OI3bgdzp2YOHWYUAw79qzDSjenU=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c6245e83d836d0433170a16eb185cefe0572f8b8",
+        "rev": "c5296fdd05cfa2c187990dd909864da9658df755",
         "type": "github"
       },
       "original": {
@@ -199,11 +199,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1766242030,
-        "narHash": "sha256-GdaKIZrzm4fbFf9jBVmeQFZTwYPxUlSTZrSId/JNMAU=",
+        "lastModified": 1769444957,
+        "narHash": "sha256-2VIGLo/Xj7v+ZZqR/k2uoaZ75vpYB1FLa2UAW5ZhIK8=",
         "owner": "nix-community",
         "repo": "NUR",
-        "rev": "30006228925f07c5c2a270bb95dc8da35d9942dc",
+        "rev": "9183819b926f1f58e8af86e86f28cc7d1e87698f",
         "type": "github"
       },
       "original": {
diff --git a/flake/checks.nix b/flake/checks.nix
index 73e64d52..01d3c7a5 100644
--- a/flake/checks.nix
+++ b/flake/checks.nix
@@ -15,6 +15,10 @@
             enable = true;
           };
 
+          nixf-diagnose = {
+            enable = true;
+          };
+
           nixpkgs-fmt = {
             enable = true;
           };
diff --git a/hosts/homes/ambroisie@bazin/default.nix b/hosts/homes/ambroisie@bazin/default.nix
index 365b70df..9ef26427 100644
--- a/hosts/homes/ambroisie@bazin/default.nix
+++ b/hosts/homes/ambroisie@bazin/default.nix
@@ -22,6 +22,10 @@
       package = pkgs.emptyDirectory;
     };
 
+    jujutsu = {
+      package = pkgs.emptyDirectory;
+    };
+
     tmux = {
       # I use scripts that use the passthrough sequence often on this host
       enablePassthrough = true;
diff --git a/hosts/homes/ambroisie@mousqueton/default.nix b/hosts/homes/ambroisie@mousqueton/default.nix
index 13836189..1ffee2b0 100644
--- a/hosts/homes/ambroisie@mousqueton/default.nix
+++ b/hosts/homes/ambroisie@mousqueton/default.nix
@@ -25,6 +25,10 @@
       package = pkgs.emptyDirectory;
     };
 
+    jujutsu = {
+      package = pkgs.emptyDirectory;
+    };
+
     tmux = {
       # I use scripts that use the passthrough sequence often on this host
       enablePassthrough = true;
diff --git a/modules/home/calibre/default.nix b/modules/home/calibre/default.nix
index de7c1263..e3733b10 100644
--- a/modules/home/calibre/default.nix
+++ b/modules/home/calibre/default.nix
@@ -10,8 +10,10 @@ in
   };
 
   config = lib.mkIf cfg.enable {
-    home.packages = with pkgs; [
-      cfg.package
-    ];
+    programs.calibre = {
+      enable = true;
+
+      inherit (cfg) package;
+    };
   };
 }
diff --git a/modules/home/default.nix b/modules/home/default.nix
index ad3b9791..eb3d0f29 100644
--- a/modules/home/default.nix
+++ b/modules/home/default.nix
@@ -24,6 +24,7 @@
     ./gtk
     ./htop
     ./jq
+    ./jujutsu
     ./keyboard
     ./mail
     ./mpv
diff --git a/modules/home/delta/default.nix b/modules/home/delta/default.nix
index e76edc60..f6526321 100644
--- a/modules/home/delta/default.nix
+++ b/modules/home/delta/default.nix
@@ -11,6 +11,10 @@ in
     git = {
       enable = my.mkDisableOption "git integration";
     };
+
+    jujutsu = {
+      enable = my.mkDisableOption "jujutsu integration";
+    };
   };
 
   config = lib.mkIf cfg.enable {
@@ -20,6 +24,9 @@ in
       inherit (cfg) package;
 
       enableGitIntegration = cfg.git.enable;
+      # `jj log -p` does not use `delta`
+      # https://github.com/jj-vcs/jj/issues/4142
+      enableJujutsuIntegration = cfg.jujutsu.enable;
 
       options = {
         features = "diff-highlight decorations";
diff --git a/modules/home/gdb/default.nix b/modules/home/gdb/default.nix
index 1ffc6bd9..b7c3aca5 100644
--- a/modules/home/gdb/default.nix
+++ b/modules/home/gdb/default.nix
@@ -17,7 +17,7 @@ in
 
   config = lib.mkIf cfg.enable (lib.mkMerge [
     {
-      home.packages = with pkgs; [
+      home.packages = [
         cfg.package
       ];
 
diff --git a/modules/home/jujutsu/default.nix b/modules/home/jujutsu/default.nix
new file mode 100644
index 00000000..3072af42
--- /dev/null
+++ b/modules/home/jujutsu/default.nix
@@ -0,0 +1,141 @@
+{ config, pkgs, lib, ... }:
+let
+  cfg = config.my.home.jujutsu;
+
+  inherit (lib.my) mkMailAddress;
+in
+{
+  options.my.home.jujutsu = with lib; {
+    enable = my.mkDisableOption "jujutsu configuration";
+
+    package = mkPackageOption pkgs "jujutsu" { };
+  };
+
+  config = lib.mkIf cfg.enable {
+    assertions = [
+      {
+        # For `jj git` commands
+        assertion = cfg.enable -> config.my.home.git.enable;
+        message = ''
+          `config.my.home.jujutsu` relies on `config.my.home.git` being enabled.
+        '';
+      }
+    ];
+
+    programs.jujutsu = {
+      enable = true;
+
+      inherit (cfg) package;
+
+      settings = {
+        # Who am I?
+        user = {
+          name = "Bruno BELANYI";
+          email = mkMailAddress "bruno" "belanyi.fr";
+        };
+
+        aliases = {
+          jj = [ ];
+          # FIXME:
+          # * still not a big fan of the template
+          lol = [ "log" "-r" "..@" "-T" "builtin_log_oneline" ];
+          lola = [ "lol" "-r" "all()" ];
+          # FIXME: equivalent to `git switch -`
+          # See https://github.com/jj-vcs/jj/issues/2871
+          # Might be broken recently https://discord.com/channels/968932220549103686/1380272574709366989/1380432041983606855
+          # TODO:
+          # * `pick` (https://github.com/jj-vcs/jj/issues/5446): [ "util" "exec" "--" "bash" "-c" "jj log -p -r \"diff_contains($1)\"" "" ]
+          # * `root`: `jj workspace root` (barely necessary then)
+        };
+
+        ui = {
+          # Stop nagging me about it, though I am not a fan of its UI.
+          diff-editor = ":builtin";
+          # I don't like word-diff
+          diff-formatter = ":git";
+          # Stop nagging me about it, though I am not a fan of its UI.
+          merge-editor = ":builtin";
+          # Does not honor `$PAGER` (anymore)
+          pager = lib.mkDefault config.home.sessionVariables.PAGER;
+        };
+
+        # FIXME: git equivalents
+        # I'd like a better formatted blame (more like delta's?)
+        # blame = {
+        #   coloring = "repeatedLines";
+        #   markIgnoredLines = true;
+        #   markUnblamables = true;
+        # };
+        # FIXME: log colors should probably match git
+        # FIXME: patience diff?
+        # FIXME: fetch prune/pruneTags?
+        # FIXME: pull.rebase=true? Probably true TBH
+        # FIXME: push.default=simple? Probably true TBH
+        # FIXME: conflict style? ui.conflict-marker-style=git is diff3, not zdiff3. Default looks fine-ish
+
+        # FIXME: from ma_9's config, plus my own stuff
+        # snapshot = {
+        #   auto-track = "none()";
+        # };
+        #
+        # ui = {
+        #   movement = {
+        #     edit = false;
+        #   };
+        # };
+
+        templates = {
+          # Equivalent to `commit.verbose = true` in Git
+          draft_commit_description = "commit_description_verbose(self)";
+        };
+
+        template-aliases = {
+          "commit_description_verbose(commit)" = ''
+            concat(
+              commit_description(commit),
+              "JJ: ignore-rest\n",
+              diff.git(),
+            )
+          '';
+          # FIXME: use `diff.summary()` instead? Supported by syntax highlighting
+          # See https://github.com/jj-vcs/jj/issues/1946#issuecomment-2572986485
+          # FIXME: tree-sitter grammar isn't in `nvim-treesitter` (https://github.com/kareigu/tree-sitter-jjdescription)
+          "commit_description(commit)" = ''
+            concat(
+              commit.description(), "\n",
+              "JJ: This commit contains the following changes:\n",
+              indent("JJ:    ", diff.stat(72)),
+            )
+          '';
+        };
+
+        "--scope" = [
+          # Multiple identities
+          {
+            "--when" = {
+              repositories = [ "~/git/EPITA/" ];
+            };
+            user = {
+              name = "Bruno BELANYI";
+              email = mkMailAddress "bruno.belanyi" "epita.fr";
+            };
+          }
+          {
+            "--when" = {
+              repositories = [ "~/git/work/" ];
+            };
+            user = {
+              name = "Bruno BELANYI";
+              email = mkMailAddress "ambroisie" "google.com";
+            };
+          }
+        ];
+      };
+    };
+
+    # To drop in a `local.toml` configuration, not-versioned
+    xdg.configFile = {
+      "jj/conf.d/.keep".text = "";
+    };
+  };
+}
diff --git a/modules/home/mail/accounts/default.nix b/modules/home/mail/accounts/default.nix
index 5216ad5e..ca5e6ea6 100644
--- a/modules/home/mail/accounts/default.nix
+++ b/modules/home/mail/accounts/default.nix
@@ -11,7 +11,7 @@ let
       lib.mkDefault [ (lib.getExe pkgs.ambroisie.rbw-pass) "Mail" passName ];
 
     address = mkMailAddress address domain;
-    aliases = builtins.map (lib.flip mkMailAddress domain) aliases;
+    aliases = map (lib.flip mkMailAddress domain) aliases;
 
     inherit primary;
 
diff --git a/modules/home/trgui/default.nix b/modules/home/trgui/default.nix
index ee545a98..63df3550 100644
--- a/modules/home/trgui/default.nix
+++ b/modules/home/trgui/default.nix
@@ -10,7 +10,7 @@ in
   };
 
   config = lib.mkIf cfg.enable {
-    home.packages = with pkgs; [
+    home.packages = [
       cfg.package
     ];
   };
diff --git a/modules/home/vim/lua/ambroisie/lsp.lua b/modules/home/vim/lua/ambroisie/lsp.lua
index fef04873..05ca47a9 100644
--- a/modules/home/vim/lua/ambroisie/lsp.lua
+++ b/modules/home/vim/lua/ambroisie/lsp.lua
@@ -85,4 +85,18 @@ M.on_attach = function(client, bufnr)
     wk.add(keys)
 end
 
+--- list all active LSP clients for specific buffer, or all buffers
+--- @param bufnr int? buffer number
+--- @return table all active LSP client names
+M.list_clients = function(bufnr)
+    local clients = vim.lsp.get_clients({ bufnr = bufnr })
+    local names = {}
+
+    for _, client in ipairs(clients) do
+        table.insert(names, client.name)
+    end
+
+    return names
+end
+
 return M
diff --git a/modules/home/vim/lua/ambroisie/utils.lua b/modules/home/vim/lua/ambroisie/utils.lua
index 0ee7c83b..5cb8df10 100644
--- a/modules/home/vim/lua/ambroisie/utils.lua
+++ b/modules/home/vim/lua/ambroisie/utils.lua
@@ -7,15 +7,6 @@ M.is_executable = function(cmd)
     return cmd and vim.fn.executable(cmd) == 1
 end
 
---- return a function that checks if a given command is executable
---- @param cmd string? command to check
---- @return fun(): boolean executable
-M.is_executable_condition = function(cmd)
-    return function()
-        return M.is_executable(cmd)
-    end
-end
-
 --- whether or not we are currently in an SSH connection
 --- @return boolean ssh connection
 M.is_ssh = function()
@@ -34,20 +25,6 @@ M.is_ssh = function()
     return false
 end
 
---- list all active LSP clients for specific buffer, or all buffers
---- @param bufnr int? buffer number
---- @return table all active LSP client names
-M.list_lsp_clients = function(bufnr)
-    local clients = vim.lsp.get_clients({ bufnr = bufnr })
-    local names = {}
-
-    for _, client in ipairs(clients) do
-        table.insert(names, client.name)
-    end
-
-    return names
-end
-
 --- partially apply a function with given arguments
 M.partial = function(f, ...)
     local a = { ... }
diff --git a/modules/home/vim/plugin/settings/git.lua b/modules/home/vim/plugin/settings/git.lua
index b9b92a69..fcae4252 100644
--- a/modules/home/vim/plugin/settings/git.lua
+++ b/modules/home/vim/plugin/settings/git.lua
@@ -57,12 +57,12 @@ local keys = {
 
 local objects = {
     mode = "o",
-    { "ih", gitsigns.select_hunk, desc = "Git hunk" },
+    { "ih", gitsigns.select_hunk, desc = "git hunk" },
 }
 -- Visual
 local visual = {
     mode = { "x" },
-    { "ih", gitsigns.select_hunk, desc = "Git hunk" },
+    { "ih", gitsigns.select_hunk, desc = "git hunk" },
     { "<leader>g", group = "Git" },
     { "<leader>gp", gitsigns.preview_hunk, desc = "Preview selection" },
     { "<leader>gr", make_visual(gitsigns.reset_hunk), desc = "Restore selection" },
diff --git a/modules/home/vim/plugin/settings/lualine.lua b/modules/home/vim/plugin/settings/lualine.lua
index bbe46475..2dbc916e 100644
--- a/modules/home/vim/plugin/settings/lualine.lua
+++ b/modules/home/vim/plugin/settings/lualine.lua
@@ -1,6 +1,6 @@
 local lualine = require("lualine")
 local oil = require("oil")
-local utils = require("ambroisie.utils")
+local lsp = require("ambroisie.lsp")
 
 local function list_spell_languages()
     if not vim.opt.spell:get() then
@@ -11,7 +11,7 @@ local function list_spell_languages()
 end
 
 local function list_lsp_clients()
-    local client_names = utils.list_lsp_clients(0)
+    local client_names = lsp.list_clients(0)
 
     if #client_names == 0 then
         return ""
diff --git a/modules/home/vim/plugin/settings/null-ls.lua b/modules/home/vim/plugin/settings/null-ls.lua
index 258a2094..00295bcc 100644
--- a/modules/home/vim/plugin/settings/null-ls.lua
+++ b/modules/home/vim/plugin/settings/null-ls.lua
@@ -10,11 +10,11 @@ null_ls.setup({
 null_ls.register({
     null_ls.builtins.diagnostics.buildifier.with({
         -- Only used if available
-        condition = utils.is_executable_condition("buildifier"),
+        condition = utils.partial(utils.is_executable, "buildifier"),
     }),
     null_ls.builtins.formatting.buildifier.with({
         -- Only used if available
-        condition = utils.is_executable_condition("buildifier"),
+        condition = utils.partial(utils.is_executable, "buildifier"),
     }),
 })
 
@@ -22,7 +22,7 @@ null_ls.register({
 null_ls.register({
     null_ls.builtins.formatting.nixpkgs_fmt.with({
         -- Only used if available
-        condition = utils.is_executable_condition("nixpkgs-fmt"),
+        condition = utils.partial(utils.is_executable, "nixpkgs-fmt"),
     }),
 })
 
@@ -30,19 +30,19 @@ null_ls.register({
 null_ls.register({
     null_ls.builtins.diagnostics.mypy.with({
         -- Only used if available
-        condition = utils.is_executable_condition("mypy"),
+        condition = utils.partial(utils.is_executable, "mypy"),
     }),
     null_ls.builtins.diagnostics.pylint.with({
         -- Only used if available
-        condition = utils.is_executable_condition("pylint"),
+        condition = utils.partial(utils.is_executable, "pylint"),
     }),
     null_ls.builtins.formatting.black.with({
         extra_args = { "--fast" },
         -- Only used if available
-        condition = utils.is_executable_condition("black"),
+        condition = utils.partial(utils.is_executable, "black"),
     }),
     null_ls.builtins.formatting.isort.with({
         -- Only used if available
-        condition = utils.is_executable_condition("isort"),
+        condition = utils.partial(utils.is_executable, "isort"),
     }),
 })
diff --git a/modules/home/vim/plugin/settings/tree-sitter.lua b/modules/home/vim/plugin/settings/tree-sitter.lua
index d5fff465..ceb04ee6 100644
--- a/modules/home/vim/plugin/settings/tree-sitter.lua
+++ b/modules/home/vim/plugin/settings/tree-sitter.lua
@@ -1,54 +1,93 @@
-local ts_config = require("nvim-treesitter.configs")
+local treesitter = require("nvim-treesitter")
+local ts_select = require("nvim-treesitter-textobjects.select")
+local ts_move = require("nvim-treesitter-textobjects.move")
+local utils = require("ambroisie.utils")
+local wk = require("which-key")
 
-ts_config.setup({
-    highlight = {
-        enable = true,
-        -- Avoid duplicate highlighting
-        additional_vim_regex_highlighting = false,
+local function select_textobject(query)
+    return utils.partial(ts_select.select_textobject, query)
+end
+
+local function goto_next_start(query)
+    return utils.partial(ts_move.goto_next_start, query)
+end
+local function goto_next_end(query)
+    return utils.partial(ts_move.goto_next_end, query)
+end
+local function goto_previous_start(query)
+    return utils.partial(ts_move.goto_previous_start, query)
+end
+local function goto_previous_end(query)
+    return utils.partial(ts_move.goto_previous_end, query)
+end
+
+local objects = {
+    mode = { "x", "o" },
+    { "aa", select_textobject("@parameter.outer"), desc = "a parameter" },
+    { "ia", select_textobject("@parameter.inner"), desc = "inner parameter" },
+    { "ab", select_textobject("@block.outer"), desc = "a block" },
+    { "ib", select_textobject("@block.inner"), desc = "inner block" },
+    { "ac", select_textobject("@class.outer"), desc = "a class" },
+    { "ic", select_textobject("@class.inner"), desc = "inner class" },
+    { "af", select_textobject("@function.outer"), desc = "a function" },
+    { "if", select_textobject("@function.inner"), desc = "inner function" },
+    { "ak", select_textobject("@comment.outer"), desc = "a comment" },
+    { "aS", select_textobject("@statement.outer"), desc = "a statement" },
+}
+local moves = {
+    mode = { "n", "x", "o" },
+    -- Next start
+    { "]m", goto_next_start("@function.outer"), desc = "Next method start" },
+    { "]S", goto_next_start("@statement.outer"), desc = "Next statement start" },
+    { "]]", goto_next_start("@class.outer"), desc = "Next class start" },
+    -- Next end
+    { "]M", goto_next_end("@function.outer"), desc = "Next method end" },
+    { "][", goto_next_end("@class.outer"), desc = "Next class end" },
+    -- Previous start
+    { "[m", goto_previous_start("@function.outer"), desc = "Previous method start" },
+    { "[S", goto_previous_start("@statement.outer"), desc = "Previous statement start" },
+    { "[[", goto_previous_start("@class.outer"), desc = "Previous class start" },
+    -- Previous end
+    { "[M", goto_previous_end("@function.outer"), desc = "Previous method end" },
+    { "[]", goto_previous_end("@class.outer"), desc = "Previous class end" },
+}
+
+require("nvim-treesitter-textobjects").setup({
+    select = {
+        -- Jump to matching text objects
+        lookahead = true,
     },
-    indent = {
-        enable = true,
-    },
-    textobjects = {
-        select = {
-            enable = true,
-            -- Jump to matching text objects
-            lookahead = true,
-            keymaps = {
-                ["aa"] = { query = "@parameter.outer", desc = "a parameter" },
-                ["ia"] = { query = "@parameter.inner", desc = "inner parameter" },
-                ["ab"] = { query = "@block.outer", desc = "a block" },
-                ["ib"] = { query = "@block.inner", desc = "inner block" },
-                ["ac"] = { query = "@class.outer", desc = "a class" },
-                ["ic"] = { query = "@class.inner", desc = "inner class" },
-                ["af"] = { query = "@function.outer", desc = "a function" },
-                ["if"] = { query = "@function.inner", desc = "inner function" },
-                ["ak"] = { query = "@comment.outer", desc = "a comment" },
-                ["aS"] = { query = "@statement.outer", desc = "a statement" },
-            },
-        },
-        move = {
-            enable = true,
-            -- Add to jump list
-            set_jumps = true,
-            goto_next_start = {
-                ["]m"] = { query = "@function.outer", desc = "Next method start" },
-                ["]S"] = { query = "@statement.outer", desc = "Next statement start" },
-                ["]]"] = { query = "@class.outer", desc = "Next class start" },
-            },
-            goto_next_end = {
-                ["]M"] = { query = "@function.outer", desc = "Next method end" },
-                ["]["] = { query = "@class.outer", desc = "Next class end" },
-            },
-            goto_previous_start = {
-                ["[m"] = { query = "@function.outer", desc = "Previous method start" },
-                ["[S"] = { query = "@statement.outer", desc = "Previous statement start" },
-                ["[["] = { query = "@class.outer", desc = "Previous class start" },
-            },
-            goto_previous_end = {
-                ["[M"] = { query = "@function.outer", desc = "Previous method end" },
-                ["[]"] = { query = "@class.outer", desc = "Previous class end" },
-            },
-        },
+    move = {
+        -- Add to jump list
+        set_jumps = true,
     },
 })
+
+-- Automatically setup treesitter for supported filetypes
+local function treesitter_try_attach(buf, language)
+    -- Try to load language
+    -- NOTE: the best way I found to check if a filetype has a grammar
+    if not vim.treesitter.language.add(language) then
+        return false
+    end
+
+    -- Syntax highlighting
+    vim.treesitter.start(buf, language)
+    -- Indentation
+    vim.bo.indentexpr = "v:lua.require('nvim-treesitter').indentexpr()"
+
+    return true
+end
+
+vim.api.nvim_create_autocmd("FileType", {
+    pattern = "*",
+    group = vim.api.nvim_create_augroup("treesitter_attach", { clear = true }),
+    callback = function(args)
+        local buf, filetype = args.buf, args.match
+        local language = vim.treesitter.language.get_lang(filetype)
+        if not language then
+            return
+        end
+        treesitter_try_attach(buf, language)
+    end,
+})
diff --git a/modules/home/wm/i3bar/default.nix b/modules/home/wm/i3bar/default.nix
index 5ae0e7d7..28c19355 100644
--- a/modules/home/wm/i3bar/default.nix
+++ b/modules/home/wm/i3bar/default.nix
@@ -69,7 +69,7 @@ in
                     inactive_state = "Idle";
                   };
                 in
-                builtins.map (block: defaults // block) cfg.vpn.blockConfigs
+                map (block: defaults // block) cfg.vpn.blockConfigs
               )
             )
             {
diff --git a/modules/nixos/programs/steam/default.nix b/modules/nixos/programs/steam/default.nix
index 0c7f9dad..c859bdb2 100644
--- a/modules/nixos/programs/steam/default.nix
+++ b/modules/nixos/programs/steam/default.nix
@@ -23,7 +23,7 @@ in
       enable = true;
     };
 
-    environment.systemPackages = builtins.map lib.hiPrio [
+    environment.systemPackages = map lib.hiPrio [
       # Respect XDG conventions, leave my HOME alone
       (pkgs.writeShellScriptBin "steam" ''
         mkdir -p "${cfg.dataDir}"
diff --git a/modules/nixos/services/backup/default.nix b/modules/nixos/services/backup/default.nix
index 8aeeae19..79884063 100644
--- a/modules/nixos/services/backup/default.nix
+++ b/modules/nixos/services/backup/default.nix
@@ -96,7 +96,7 @@ in
       # Contains the UID/GID map, and other useful state
       "/var/lib/nixos"
       # SSH host keys (and public keys for convenience)
-      (builtins.map (key: [ key.path "${key.path}.pub" ]) config.services.openssh.hostKeys)
+      (map (key: [ key.path "${key.path}.pub" ]) config.services.openssh.hostKeys)
     ];
 
     services.restic.backups.backblaze = {
diff --git a/modules/nixos/services/nginx/default.nix b/modules/nixos/services/nginx/default.nix
index ff530b0a..153a299f 100644
--- a/modules/nixos/services/nginx/default.nix
+++ b/modules/nixos/services/nginx/default.nix
@@ -188,14 +188,14 @@ in
       ++ (lib.flip lib.mapAttrsToList cfg.virtualHosts (_: { subdomain, ... } @ args:
       let
         conflicts = [ "port" "root" "socket" "redirect" ];
-        optionsNotNull = builtins.map (v: args.${v} != null) conflicts;
+        optionsNotNull = map (v: args.${v} != null) conflicts;
         optionsSet = lib.filter lib.id optionsNotNull;
       in
       {
         assertion = builtins.length optionsSet == 1;
         message = ''
           Subdomain '${subdomain}' must have exactly one of ${
-            lib.concatStringsSep ", " (builtins.map (v: "'${v}'") conflicts)
+            lib.concatStringsSep ", " (map (v: "'${v}'") conflicts)
           } configured.
         '';
       }))
@@ -208,7 +208,7 @@ in
         assertion = args.websocketsLocations != [ ] -> proxyPassUsed;
         message = ''
           Subdomain '${subdomain}' can only use 'websocketsLocations' with one of ${
-            lib.concatStringsSep ", " (builtins.map (v: "'${v}'") proxyPass)
+            lib.concatStringsSep ", " (map (v: "'${v}'") proxyPass)
           }.
         '';
       }))
diff --git a/modules/nixos/services/servarr/bazarr.nix b/modules/nixos/services/servarr/bazarr.nix
index 637da0c7..67d34169 100644
--- a/modules/nixos/services/servarr/bazarr.nix
+++ b/modules/nixos/services/servarr/bazarr.nix
@@ -4,7 +4,7 @@ let
 in
 {
   options.my.services.servarr.bazarr = with lib; {
-    enable = lib.mkEnableOption "Bazarr" // {
+    enable = mkEnableOption "Bazarr" // {
       default = config.my.services.servarr.enableAll;
     };
 
diff --git a/modules/nixos/services/servarr/jackett.nix b/modules/nixos/services/servarr/jackett.nix
index 481cd3de..8e8a5c3e 100644
--- a/modules/nixos/services/servarr/jackett.nix
+++ b/modules/nixos/services/servarr/jackett.nix
@@ -4,7 +4,7 @@ let
 in
 {
   options.my.services.servarr.jackett = with lib; {
-    enable = lib.mkEnableOption "Jackett" // {
+    enable = mkEnableOption "Jackett" // {
       default = config.my.services.servarr.enableAll;
     };
 
diff --git a/modules/nixos/services/servarr/nzbhydra.nix b/modules/nixos/services/servarr/nzbhydra.nix
index 7b639869..f2f82ac2 100644
--- a/modules/nixos/services/servarr/nzbhydra.nix
+++ b/modules/nixos/services/servarr/nzbhydra.nix
@@ -4,7 +4,7 @@ let
 in
 {
   options.my.services.servarr.nzbhydra = with lib; {
-    enable = lib.mkEnableOption "NZBHydra2" // {
+    enable = mkEnableOption "NZBHydra2" // {
       default = config.my.services.servarr.enableAll;
     };
   };
diff --git a/modules/nixos/services/servarr/prowlarr.nix b/modules/nixos/services/servarr/prowlarr.nix
index ce044c63..6825843c 100644
--- a/modules/nixos/services/servarr/prowlarr.nix
+++ b/modules/nixos/services/servarr/prowlarr.nix
@@ -5,7 +5,7 @@ let
 in
 {
   options.my.services.servarr.prowlarr = with lib; {
-    enable = lib.mkEnableOption "Prowlarr" // {
+    enable = mkEnableOption "Prowlarr" // {
       default = config.my.services.servarr.enableAll;
     };
 
diff --git a/modules/nixos/services/servarr/starr.nix b/modules/nixos/services/servarr/starr.nix
index 2bf7c114..0ccdaa42 100644
--- a/modules/nixos/services/servarr/starr.nix
+++ b/modules/nixos/services/servarr/starr.nix
@@ -12,7 +12,7 @@ let
 in
 {
   options.my.services.servarr.${starr} = with lib; {
-    enable = lib.mkEnableOption (lib.toSentenceCase starr) // {
+    enable = mkEnableOption (lib.toSentenceCase starr) // {
       default = config.my.services.servarr.enableAll;
     };
 
diff --git a/overlays/default.nix b/overlays/default.nix
index 683e021b..d3e30aa8 100644
--- a/overlays/default.nix
+++ b/overlays/default.nix
@@ -1,6 +1,6 @@
 # Automatically import all overlays in the directory
 let
   files = builtins.readDir ./.;
-  overlays = builtins.removeAttrs files [ "default.nix" ];
+  overlays = removeAttrs files [ "default.nix" ];
 in
 builtins.mapAttrs (name: _: import "${./.}/${name}") overlays
diff --git a/pkgs/diff-flake/diff-flake b/pkgs/diff-flake/diff-flake
index a2a35131..f9290b91 100755
--- a/pkgs/diff-flake/diff-flake
+++ b/pkgs/diff-flake/diff-flake
@@ -24,11 +24,15 @@ current_system() {
     nix eval --raw --impure --expr 'builtins.currentSystem'
 }
 
+add_darwin() {
+    FLAKE_OUTPUTS+=("darwinConfigurations.\"$1\".config.system.build.toplevel")
+}
+
 add_home() {
     FLAKE_OUTPUTS+=("homeConfigurations.\"$1\".activationPackage")
 }
 
-add_host() {
+add_nixos() {
     FLAKE_OUTPUTS+=("nixosConfigurations.\"$1\".config.system.build.toplevel")
 }
 
@@ -37,6 +41,10 @@ add_shell() {
     FLAKE_OUTPUTS+=("devShells.\"$(current_system)\".\"$1\".inputDerivation")
 }
 
+add_system() {
+    FLAKE_OUTPUTS+=("systemConfigs.\"$1\".config.system.build.toplevel")
+}
+
 usage() {
     print_err "Usage: $0 [option]... [-- [nix build option]...]"
     print_err ""
@@ -54,11 +62,15 @@ usage() {
     print_err "  -p, --previous-rev"
     print_err "    which git revision should be considered the 'previous' state,"
     print_err "    defaults to HEAD~"
+    print_err "  --darwin [name]"
+    print_err "    specify the name of a nix-darwin output configuration whose"
+    print_err "    closure should be diffed, can be used multiple times"
+    print_err "    if no host name is given, defaults to current hostname"
     print_err "  --home [name]"
     print_err "    specify the name of a home-manager output configuration whose"
     print_err "    closure should be diffed, can be used multiple times"
     print_err "    if no configuration name is given, defaults to current username"
-    print_err "  --host [name]"
+    print_err "  --nixos [name]"
     print_err "    specify the name of a NixOS output configuration whose"
     print_err "    closure should be diffed, can be used multiple times"
     print_err "    if no host name is given, defaults to current hostname"
@@ -66,6 +78,10 @@ usage() {
     print_err "    specify a specific devShell configuration name whose closure"
     print_err "    should be diffed, can be used multiple times"
     print_err "    if no name is given, defaults to 'default'"
+    print_err "  --system [name]"
+    print_err "    specify the name of a system-manager output configuration whose"
+    print_err "    closure should be diffed, can be used multiple times"
+    print_err "    if no host name is given, defaults to current hostname"
     print_err ""
     print_err "when no flake outputs are specified, automatically queries for"
     print_err "all NixOS configurations, and devShells for current system"
@@ -101,6 +117,14 @@ parse_args() {
                 PREVIOUS_REV="$(git rev-parse "$1")"
                 shift
                 ;;
+            --darwin)
+                if [ $# -gt 0 ] && ! is_option "$1"; then
+                    add_darwin "$1"
+                    shift
+                else
+                    add_darwin "$(hostname)"
+                fi
+                ;;
             --home)
                 if [ $# -gt 0 ] && ! is_option "$1"; then
                     add_home "$1"
@@ -109,12 +133,12 @@ parse_args() {
                     add_home "$USER"
                 fi
                 ;;
-            --host)
+            --nixos)
                 if [ $# -gt 0 ] && ! is_option "$1"; then
-                    add_host "$1"
+                    add_nixos "$1"
                     shift
                 else
-                    add_host "$(hostname)"
+                    add_nixos "$(hostname)"
                 fi
                 ;;
             --shell)
@@ -125,6 +149,14 @@ parse_args() {
                     add_shell "default"
                 fi
                 ;;
+            --system)
+                if [ $# -gt 0 ] && ! is_option "$1"; then
+                    add_system "$1"
+                    shift
+                else
+                    add_system "$(hostname)"
+                fi
+                ;;
             --)
                 NIX_BUILD_ARGS=("$@")
                 break
@@ -138,6 +170,12 @@ parse_args() {
     done
 }
 
+list_darwin_configurations() {
+    nix eval '.#darwinConfigurations' \
+        --apply 'attrs: with builtins; concatStringsSep "\n" (attrNames attrs)' \
+        --raw
+}
+
 list_home_configurations() {
     nix eval '.#homeConfigurations' \
         --apply 'attrs: with builtins; concatStringsSep "\n" (attrNames attrs)' \
@@ -156,6 +194,12 @@ list_dev_shells() {
         --raw
 }
 
+list_system_configurations() {
+    nix eval '.#systemConfigs' \
+        --apply 'attrs: with builtins; concatStringsSep "\n" (attrNames attrs)' \
+        --raw
+}
+
 diff_output() {
     local PREV NEW
     PREV="$(mktemp --dry-run)"
@@ -175,15 +219,21 @@ diff_output() {
 parse_args "$@"
 
 if [ "${#FLAKE_OUTPUTS[@]}" -eq 0 ]; then
+    for darwin in $(list_darwin_configurations); do
+        add_darwin "$darwin"
+    done
     for home in $(list_home_configurations); do
         add_home "$home"
     done
-    for host in $(list_nixos_configurations); do
-        add_host "$host"
+    for nixos in $(list_nixos_configurations); do
+        add_nixos "$nixos"
     done
     for shell in $(list_dev_shells); do
         add_shell "$shell"
     done
+    for system in $(list_system_configurations); do
+        add_system "$system"
+    done
 fi
 
 for out in "${FLAKE_OUTPUTS[@]}"; do
diff --git a/templates/c++-cmake/flake.nix b/templates/c++-cmake/flake.nix
index 7796f5e5..eb2767d6 100644
--- a/templates/c++-cmake/flake.nix
+++ b/templates/c++-cmake/flake.nix
@@ -95,7 +95,7 @@
               self.packages.${system}.project
             ];
 
-            packages = with pkgs; [
+            packages = [
               self.checks.${system}.pre-commit.enabledPackages
             ];
 
diff --git a/templates/c++-meson/flake.nix b/templates/c++-meson/flake.nix
index cb14eb56..44189179 100644
--- a/templates/c++-meson/flake.nix
+++ b/templates/c++-meson/flake.nix
@@ -95,7 +95,7 @@
               self.packages.${system}.project
             ];
 
-            packages = with pkgs; [
+            packages = [
               self.checks.${system}.pre-commit.enabledPackages
             ];