diff --git a/modules/neovim.nix b/modules/neovim.nix
index 6ede21c..37362be 100644
--- a/modules/neovim.nix
+++ b/modules/neovim.nix
@@ -1,4 +1,4 @@
-{ config, pkgs, ... }:
+{ config, pkgs, machine, ... }:
 
 {
   home.sessionVariables = {
@@ -53,7 +53,7 @@
       nodePackages.yaml-language-server
 
       # etc
-      deno
+      unstable.deno
       ltex-ls
       nodePackages.prettier
       rnix-lsp
@@ -64,6 +64,7 @@
       shfmt
       tree-sitter
       (callPackage ../packages/jq-lsp {})
+      (callPackage ../packages/helm-ls {})
 
       # needed for some plugin build steps
       cargo
@@ -75,7 +76,7 @@
   };
 
   xdg.configFile."nvim" = {
-    source = config.lib.file.mkOutOfStoreSymlink ./nvim;
+    source = config.lib.file.mkOutOfStoreSymlink "${machine.flakePath}/modules/nvim";
     recursive = true;
   };
 }
diff --git a/modules/nvim/after/plugin/bufferline.lua b/modules/nvim/after/plugin/bufferline.lua
index f9cc21c..7331dbf 100644
--- a/modules/nvim/after/plugin/bufferline.lua
+++ b/modules/nvim/after/plugin/bufferline.lua
@@ -3,16 +3,61 @@ if not present then
   return
 end
 
+local ctp_present, ctp =
+  pcall(require, "catppuccin.groups.integrations.bufferline")
+local ctp_bufferline
+if not ctp_present then
+  ctp_bufferline = {}
+else
+  ctp_bufferline = ctp.get()
+end
+
+local v = vim.version()
+local vStr = string.format("v%d.%d.%d", v.major, v.minor, v.patch)
+
 bufferline.setup({
-  highlights = require("catppuccin.groups.integrations.bufferline").get(),
+  highlights = ctp_bufferline,
   options = {
     show_close_icon = false,
-    separator_style = "thin",
     show_buffer_close_icons = false,
-    offsets = { { filetype = "NvimTree" } },
+    offsets = {
+      {
+        filetype = "NvimTree",
+        text = "   neovim " .. vStr,
+        text_align = "left",
+        separator = "║",
+      },
+    },
     left_mouse_command = "buffer %d",
     middle_mouse_command = "bdelete! %d",
     right_mouse_command = nil,
+    indicator = { icon = "‣" },
+    numbers = function(tab)
+      local roman = {
+        "Ⅰ",
+        "Ⅱ",
+        "Ⅲ",
+        "Ⅳ",
+        "Ⅴ",
+        "Ⅵ",
+        "Ⅶ",
+        "Ⅷ",
+        "Ⅸ",
+        "Ⅹ",
+        "Ⅺ",
+        "Ⅻ",
+        "XⅢ",
+        "XⅣ",
+        "ⅩⅤ",
+        "ⅩⅥ",
+        "ⅩⅦ",
+        "ⅩⅧ",
+        "ⅩⅨ",
+        "ⅩⅩ",
+      }
+
+      return string.format("%s ", roman[tab.ordinal])
+    end,
   },
 })
 
diff --git a/modules/nvim/after/plugin/catppuccin.lua b/modules/nvim/after/plugin/catppuccin.lua
index 7c1cd38..2318263 100644
--- a/modules/nvim/after/plugin/catppuccin.lua
+++ b/modules/nvim/after/plugin/catppuccin.lua
@@ -86,6 +86,10 @@ catppuccin.setup({
         TelescopeSelectionCaret = { link = "Selection" },
         -- pmenu
         PmenuSel = { link = "Selection" },
+        -- bufferline
+        BufferLineTabSeparator = { link = "FloatBorder" },
+        BufferLineSeparator = { link = "FloatBorder" },
+        BufferLineOffsetSeparator = { link = "FloatBorder" },
       }
     end,
     mocha = function(colors)
diff --git a/modules/nvim/after/plugin/feline.lua b/modules/nvim/after/plugin/feline.lua
index 36badca..42f4f9d 100644
--- a/modules/nvim/after/plugin/feline.lua
+++ b/modules/nvim/after/plugin/feline.lua
@@ -1,12 +1,16 @@
-local ctp_present, ctp_feline =
-  pcall(require, "catppuccin.groups.integrations.feline")
-local present, feline = pcall(require, "feline")
+local get_config = function()
+  -- unload these if loaded, so that theme switching works
+  package.loaded["feline"] = nil
+  package.loaded["catppuccin.groups.integrations.feline"] = nil
 
-if not present then
-  return
-end
+  local present, feline = pcall(require, "feline")
+  local ctp_present, ctp_feline =
+    pcall(require, "catppuccin.groups.integrations.feline")
+
+  if not (present and ctp_present) then
+    return
+  end
 
-if ctp_present then
   local clrs = require("catppuccin.palettes").get_palette()
   ctp_feline.setup({
     assets = {
@@ -14,17 +18,20 @@ if ctp_present then
       right_separator = "",
       bar = "█",
       mode_icon = " ",
-      dir = "  ",
-      file = "   ",
+      dir = " ",
+      file = " ",
       git = {
         branch = " ",
+        added = " ",
+        changed = " ",
+        removed = " ",
       },
       lsp = {
-        server = "  ",
-        error = "  ",
-        warning = "  ",
-        info = "  ",
-        hint = "  ",
+        server = " ",
+        error = " ",
+        warning = " ",
+        info = " ",
+        hint = " ",
       },
     },
     sett = {
@@ -37,21 +44,30 @@ if ctp_present then
       ["n"] = { "NORMAL", clrs.blue },
     },
   })
+
+  feline.setup({
+    components = ctp_feline.get(),
+    force_inactive = {
+      filetypes = {
+        "^startify$",
+        "^fugitive$",
+        "^fugitiveblame$",
+        "^qf$",
+        "^help$",
+      },
+      buftypes = {
+        "^terminal$",
+      },
+      bufnames = {},
+    },
+  })
 end
 
-feline.setup({
-  components = ctp_feline.get(),
-  force_inactive = {
-    filetypes = {
-      "^startify$",
-      "^fugitive$",
-      "^fugitiveblame$",
-      "^qf$",
-      "^help$",
-    },
-    buftypes = {
-      "^terminal$",
-    },
-    bufnames = {},
-  },
+get_config()
+
+vim.api.nvim_create_autocmd("ColorScheme", {
+  pattern = "*",
+  callback = function()
+    get_config()
+  end,
 })
diff --git a/modules/nvim/after/plugin/lsp.lua b/modules/nvim/after/plugin/lsp.lua
index 0dbf38e..0be5b32 100644
--- a/modules/nvim/after/plugin/lsp.lua
+++ b/modules/nvim/after/plugin/lsp.lua
@@ -13,10 +13,10 @@ local has_words_before = function()
   ---@diagnostic disable-next-line: deprecated
   local line, col = unpack(vim.api.nvim_win_get_cursor(0))
   return col ~= 0
-      and vim.api
-      .nvim_buf_get_lines(0, line - 1, line, true)[1]
-      :sub(col, col)
-      :match("%s")
+    and vim.api
+        .nvim_buf_get_lines(0, line - 1, line, true)[1]
+        :sub(col, col)
+        :match("%s")
       == nil
 end
 
@@ -435,3 +435,23 @@ require("py_lsp").setup({
   capabilities = capabilities,
   on_attach = on_attach,
 })
+
+local configs = require("lspconfig.configs")
+local util = require("lspconfig.util")
+
+if not configs.helm_ls then
+  configs.helm_ls = {
+    default_config = {
+      cmd = { "helm-ls", "serve" },
+      filetypes = { "helm" },
+      root_dir = function(fname)
+        return util.root_pattern("Chart.yaml")(fname)
+      end,
+    },
+  }
+end
+
+lspconfig.helm_ls.setup({
+  capabilities = capabilities,
+  on_attach = on_attach,
+})
diff --git a/modules/nvim/after/plugin/nvim-tree.lua b/modules/nvim/after/plugin/nvim-tree.lua
new file mode 100644
index 0000000..ce3f2c9
--- /dev/null
+++ b/modules/nvim/after/plugin/nvim-tree.lua
@@ -0,0 +1,16 @@
+local present, nvimtree = pcall(require, "nvim-tree")
+
+if not present then
+  return
+end
+
+nvimtree.setup({
+  renderer = {
+    indent_markers = {
+      enable = true,
+    },
+  },
+  diagnostics = {
+    enable = true,
+  },
+})
diff --git a/modules/nvim/after/plugin/treesitter.lua b/modules/nvim/after/plugin/treesitter.lua
index 85f02f1..9b3a3a4 100644
--- a/modules/nvim/after/plugin/treesitter.lua
+++ b/modules/nvim/after/plugin/treesitter.lua
@@ -1,5 +1,20 @@
 local present, treesitter = pcall(require, "nvim-treesitter.configs")
-if not present then return end
+if not present then
+  return
+end
+
+local parser_config = require("nvim-treesitter.parsers").get_parser_configs()
+parser_config.gotmpl = {
+  install_info = {
+    url = "https://github.com/ngalaiko/tree-sitter-go-template",
+    files = { "src/parser.c" },
+  },
+  filetype = "gotmpl",
+  used_by = { "gohtmltmpl", "gotexttmpl", "gotmpl", "yaml", "helm" },
+}
+
+local ft_to_parser = require("nvim-treesitter.parsers").filetype_to_parsername
+ft_to_parser.helm = "gotmpl"
 
 treesitter.setup({
   auto_install = true,
diff --git a/modules/nvim/init.lua b/modules/nvim/init.lua
index c943f4e..430e169 100644
--- a/modules/nvim/init.lua
+++ b/modules/nvim/init.lua
@@ -32,6 +32,16 @@ vim.o.shiftwidth = 2
 vim.o.tabstop = 2
 vim.o.softtabstop = 0
 vim.o.expandtab = true
+-- double box drawing characters for splits
+vim.opt.fillchars:append({
+  horiz = "═",
+  horizup = "╩",
+  horizdown = "╦",
+  vert = "║",
+  vertright = "╠",
+  vertleft = "╣",
+  verthoriz = "╬",
+})
 
 pcall(require, "plugins")
 pcall(require, "binds")
diff --git a/modules/nvim/lazy-lock.json b/modules/nvim/lazy-lock.json
index dd651c9..56614ef 100644
--- a/modules/nvim/lazy-lock.json
+++ b/modules/nvim/lazy-lock.json
@@ -19,26 +19,26 @@
   "fidget.nvim": { "branch": "main", "commit": "9dc6d15fdb877b2fb09ea0ba2dfde9beccb5965a" },
   "friendly-snippets": { "branch": "main", "commit": "a6f7a1609addb4e57daa6bedc300f77f8d225ab7" },
   "gitsigns.nvim": { "branch": "main", "commit": "ec4742a7eebf68bec663041d359b95637242b5c3" },
-  "go.nvim": { "branch": "master", "commit": "87263fbeff01d796cc38523bf8488cc0a2fb7a42" },
+  "go.nvim": { "branch": "master", "commit": "470349cff528448969efeca65b2f9bdb64730e1b" },
   "guihua.lua": { "branch": "master", "commit": "dca755457a994d99f3fe63ee29dbf8e2ac20ae3a" },
   "indent-blankline.nvim": { "branch": "master", "commit": "8299fe7703dfff4b1752aeed271c3b95281a952d" },
-  "lazy.nvim": { "branch": "main", "commit": "326556008a1574389be7fa9d670abada10ce1323" },
+  "lazy.nvim": { "branch": "main", "commit": "ddaffa07156a090383bd32ef88669eea1b22c11a" },
   "lightspeed.nvim": { "branch": "main", "commit": "299eefa6a9e2d881f1194587c573dad619fdb96f" },
   "lspkind.nvim": { "branch": "master", "commit": "c68b3a003483cf382428a43035079f78474cd11e" },
   "ltex-extra.nvim": { "branch": "master", "commit": "1d2f288ceedc70d5a9c00f55c0d0cc788b5164f2" },
   "markdown-preview.nvim": { "branch": "master", "commit": "02cc3874738bc0f86e4b91f09b8a0ac88aef8e96" },
   "neogit": { "branch": "master", "commit": "089d388876a535032ac6a3f80e19420f09e4ddda" },
   "null-ls.nvim": { "branch": "main", "commit": "60b4a7167c79c7d04d1ff48b55f2235bf58158a7" },
-  "nvim-autopairs": { "branch": "master", "commit": "28f57e6a6f0b37ec52c257230990b81afa1863e4" },
+  "nvim-autopairs": { "branch": "master", "commit": "45ae3122a4c7744db41298b41f9f5a3f092123e6" },
   "nvim-cmp": { "branch": "main", "commit": "cfafe0a1ca8933f7b7968a287d39904156f2c57d" },
   "nvim-colorizer.lua": { "branch": "master", "commit": "760e27df4dd966607e8fb7fd8b6b93e3c7d2e193" },
-  "nvim-dap": { "branch": "master", "commit": "0e376f00e7fac143e29e1017d2ac2cc3df13d185" },
-  "nvim-dap-ui": { "branch": "master", "commit": "885e958ff9de30cfbc359259eccf28cc493ad46b" },
+  "nvim-dap": { "branch": "master", "commit": "0d77088e0a3532ae653996abbefb8d951b4ed7ac" },
+  "nvim-dap-ui": { "branch": "master", "commit": "94aa67d7bd60d3dffa5cd1967c2cefa6ba906406" },
   "nvim-dap-virtual-text": { "branch": "master", "commit": "7f7f2af549e72a0b7bddc3b4f827beb027ea8ce3" },
-  "nvim-lspconfig": { "branch": "master", "commit": "d3c82d2f9a6fd91ec1ffee645664d2cc57e706d9" },
-  "nvim-surround": { "branch": "main", "commit": "ad56e6234bf42fb7f7e4dccc7752e25abd5ec80e" },
+  "nvim-lspconfig": { "branch": "master", "commit": "aeb76066212b09c7c01a3abb42fe82f0130ef402" },
+  "nvim-surround": { "branch": "main", "commit": "c0835d2a33898b1509e804b7a3ad49737b90d98a" },
   "nvim-tree.lua": { "branch": "master", "commit": "02fdc262eba188198a7deb2117b3b996e6763d65" },
-  "nvim-treesitter": { "branch": "master", "commit": "d3a68725e8349212a359d1914fc6e86ff31e4142" },
+  "nvim-treesitter": { "branch": "master", "commit": "f6df07be122de665fb363476cc3680c90f5bdf05" },
   "nvim-ts-autotag": { "branch": "main", "commit": "fdefe46c6807441460f11f11a167a2baf8e4534b" },
   "nvim-ts-rainbow": { "branch": "master", "commit": "ef95c15a935f97c65a80e48e12fe72d49aacf9b9" },
   "nvim-web-devicons": { "branch": "master", "commit": "ade34ca7d19543904b28b903e606be8930fb9ee3" },
@@ -55,8 +55,7 @@
   "telescope-project.nvim": { "branch": "master", "commit": "8e8ee37b7210761502cdf2c3a82b5ba8fb5b2972" },
   "telescope.nvim": { "branch": "master", "commit": "203bf5609137600d73e8ed82703d6b0e320a5f36" },
   "todo-comments.nvim": { "branch": "main", "commit": "74c7d28cb50b0713c881ef69bcb6cdd77d8907d1" },
-  "tree-sitter-just": { "branch": "main", "commit": "8af0aab79854aaf25b620a52c39485849922f766" },
-  "trouble.nvim": { "branch": "main", "commit": "490f7fe6d227f4f7a64f00be8c7dcd7a508ed271" },
+  "trouble.nvim": { "branch": "main", "commit": "fc003424b02109f1453af6b40dadff6019b97187" },
   "true-zen.nvim": { "branch": "main", "commit": "98740c76254c65576ec294551028b65081053588" },
   "vim-astro": { "branch": "main", "commit": "34732be5e9a5c28c2409f4490edf92d46d8b55a9" },
   "vim-dadbod": { "branch": "master", "commit": "a09e40664e9cd30cd2b3f8866b796598302070f6" },
@@ -64,6 +63,7 @@
   "vim-dadbod-ui": { "branch": "master", "commit": "f4ead480930a37dd2b0cf917a8c387ed36c2d86a" },
   "vim-fugitive": { "branch": "master", "commit": "2019e0e4139390f485a024d7a2411218b004a5b3" },
   "vim-gnupg": { "branch": "main", "commit": "f9b608f29003dfde6450931dc0f495a912973a88" },
+  "vim-helm": { "branch": "master", "commit": "c2e7b85711d410e1d73e64eb5df7b70b1c4c10eb" },
   "vim-table-mode": { "branch": "master", "commit": "9555a3e6e5bcf285ec181b7fc983eea90500feb4" },
   "vim-vsnip": { "branch": "master", "commit": "8dde8c0ef10bb1afdbb301e2bd7eb1c153dd558e" },
   "which-key.nvim": { "branch": "main", "commit": "684e96c5e8477f1ee9b3f2e9a12d802fd12c5531" }
diff --git a/modules/nvim/lua/plugins.lua b/modules/nvim/lua/plugins.lua
index 067b9b7..9b6e060 100644
--- a/modules/nvim/lua/plugins.lua
+++ b/modules/nvim/lua/plugins.lua
@@ -89,7 +89,7 @@ local plugins = {
 
   -- nvimtree
   "nvim-tree/nvim-web-devicons",
-  { "nvim-tree/nvim-tree.lua", opts = {} },
+  "nvim-tree/nvim-tree.lua",
 
   "stevearc/dressing.nvim",
 
@@ -97,6 +97,7 @@ local plugins = {
   "andweeb/presence.nvim",
   { "iamcco/markdown-preview.nvim", build = "cd app && yarn install" },
 
+  "towolf/vim-helm",
   -- LSP
   {
     "neovim/nvim-lspconfig",
diff --git a/packages/helm-ls/default.nix b/packages/helm-ls/default.nix
new file mode 100644
index 0000000..275b922
--- /dev/null
+++ b/packages/helm-ls/default.nix
@@ -0,0 +1,22 @@
+{ buildGoModule, fetchFromGitHub, lib, pkgs, ... }:
+
+buildGoModule rec {
+  pname = "helm-ls";
+  version = "20220912";
+
+  src = fetchFromGitHub {
+    owner = "mrjosh";
+    repo = "helm-ls";
+    rev = "1552f4be6b43eb3fc6c61ce056f1d28f36650c62";
+    sha256 = "sha256-YSK7PBsk/NXsM7bFg6ebqiYDH94vsK45vMpZtDJqLnk=";
+  };
+
+  vendorSha256 = "sha256-EqZlmOoQtC3Iuf0LG2PL0K2pluGqbyA6132lzgF4+ic=";
+
+  meta = with lib; {
+    description = "helm language server";
+    homepage = "https://github.com/mrjosh/helm-ls";
+    license = licenses.mit;
+    maintainers = [ maintainers.nekowinston ];
+  };
+}