Add telescope plugin.

jrpotter/neovim/default.nix

@@ -31,6 +31,13 @@ let
     config = config.programs.neovim.nvim-lspconfig;
   };
 
+  nvim-telescope = {
+    plugin = pkgs.vimPlugins.telescope-nvim;
+    config = ''
+      require('init.telescope').setup()
+    '';
+  };
+
   nvim-treesitter = {
     plugin = (pkgs.vimPlugins.nvim-treesitter.withPlugins (
       ps: with ps; [
@@ -73,6 +80,10 @@ in
   };
 
   config = {
+    home.packages = with pkgs; [
+      ripgrep
+    ];
+
     programs.neovim = {
       defaultEditor = true;
       plugins = map (p:
@@ -84,6 +95,7 @@ in
         nvim-cmp
         nvim-dap
         nvim-lspconfig
+        nvim-telescope
         nvim-treesitter
         pkgs.vimPlugins.cmp-buffer
         pkgs.vimPlugins.cmp-nvim-lsp

jrpotter/neovim/lua/init/telescope.lua

@@ -0,0 +1,45 @@
+local M = {}
+
+local function set_telescope_map(key, picker)
+  vim.keymap.set(
+    'n',
+    string.format('<c-;>%s', key),
+    string.format('<cmd>Telescope %s<cr>', picker)
+  )
+  vim.keymap.set(
+    'n',
+    string.format('<c-;><c-%s>', key),
+    string.format('<cmd>Telescope %s<cr>', picker)
+  )
+end
+
+function M.setup()
+  require('telescope').setup {
+    pickers = {
+      buffers = { theme = 'ivy' },
+      find_files = { theme = 'ivy' },
+      live_grep = { theme = 'ivy' },
+      lsp_definitions = { theme = 'cursor' },
+      lsp_implementations = { theme = 'cursor' },
+      lsp_type_definitions = { theme = 'cursor' },
+    },
+  }
+
+  set_telescope_map(';', 'resume')
+  set_telescope_map('b', 'buffers')
+  set_telescope_map('f', 'find_files')
+
+  set_telescope_map('s', 'live_grep')
+  set_telescope_map('d', 'lsp_type_definitions')
+  set_telescope_map(']', 'lsp_definitions')
+  set_telescope_map('i', 'lsp_implementations')
+
+  vim.api.nvim_create_autocmd('User', {
+    pattern = 'TelescopePreviewerLoaded',
+    callback = function()
+      vim.wo.wrap = true
+    end,
+  })
+end
+
+return M