Switch back from fzf to telescope within neovim

As the fzf plugin was slow on large code bases.

This reverts commit cee10964f0.

home/programs/neovim.nix

@@ -162,15 +162,14 @@ let
     ];
   };
 
-  # Use custom one until nixpkgs updates to that version
-  fzf-lua = pkgs.vimUtils.buildVimPlugin rec {
-    pname = "fzf-lua";
-    version = "44f1ec92b57f15745f5f21cf224e521ce9ba0b66";
+  telescope-ctags-outline = pkgs.vimUtils.buildVimPlugin rec {
+    pname = "telescope-ctags-outline";
+    version = "35b2df9545f72352502703ba06b7ab711fa25e51";
     src = pkgs.fetchFromGitHub {
-      owner = "ibhagwan";
-      repo = pname;
+      owner = "fcying";
+      repo = "${pname}.nvim";
       rev = version;
-      sha256 = "AkZyCzLl4+jxQW07VI3sPRcPcFRKheXmOz0fWWfzWjw=";
+      sha256 = "e8QcD7H2unmoaLaN1JUxtOGQYBJGAXtfSnj8sW66ff4=";
     };
   };
 
@@ -226,14 +225,15 @@ in {
     }
 
     {
-      plugin = fzf-lua.overrideAttrs (old: {
-        patches = (old.patches or []) ++ [
-          ./neovim/patches/fzf-lua-colors.patch
-        ];
-      });
-
+      plugin = telescope-nvim;
       type = "lua";
-      config = builtins.readFile(./neovim/plugins/fzf-lua.lua);
+      config = builtins.readFile(./neovim/plugins/telescope.lua);
+    }
+
+    {
+      plugin = telescope-ctags-outline;
+      type = "lua";
+      config = builtins.readFile(./neovim/plugins/telescope-ctags-outline.lua);
     }
 
     dressing-nvim

home/programs/neovim/configuration/lua/telescope/_extensions/custom_runs.lua

@@ -0,0 +1,32 @@
+local telescope = require('telescope')
+local pickers = require('telescope.pickers')
+local finders = require('telescope.finders')
+local actions = require('telescope.actions')
+local action_state = require('telescope.actions.state')
+local conf = require('telescope.config').values
+
+local custom_runs = function(opts)
+    opts = opts or {}
+
+    local results = { 'CopyFileName', 'CopyRelativeFilePath', 'CopyFullFilePath' }
+
+    pickers.new(opts, {
+        prompt_title = 'Custom Runs',
+        finder = finders.new_table {
+            results = results
+        },
+        sorter = conf.generic_sorter(opts),
+        attach_mappings = function(prompt_bufnr, map)
+            actions.select_default:replace(function()
+                actions.close(prompt_bufnr)
+                local selection = action_state.get_selected_entry()
+                vim.api.nvim_call_function(selection[1], {})
+            end)
+            return true
+        end,
+    }):find()
+end
+
+return telescope.register_extension({
+    exports = { custom_runs = custom_runs },
+})

home/programs/neovim/configuration/plugin/functions.vim

@@ -113,7 +113,7 @@ function! StartProfiling()
     execute(':profile file *')
 endfunc
 
-function! FilesInCurrentComposerPackage()
+function! TelescopeCurrentComposerPackage()
     let l:filePath = split(expand('%:p:h'), '/')
 
     while !filereadable('/' . join(l:filePath + ['composer.json'], '/')) && len(l:filePath)
@@ -121,7 +121,7 @@ function! FilesInCurrentComposerPackage()
     endwhile
 
     if len(l:filePath)
-        execute("lua require ('fzf-lua').files({cwd='/" . join(l:filePath, '/') . "'})")
+        execute(':Telescope find_files cwd=/' . join(l:filePath, '/'))
     else
         echom 'No composer package detected.'
     endif

home/programs/neovim/configuration/plugin/mappings.vim

@@ -8,11 +8,12 @@ nnoremap L $
 nnoremap <leader>nh :nohlsearch<cr>
 
 " Configure navigation, e.g. go to buffer, file, ...
-nnoremap <leader>pp :lua require('fzf-lua').builtin()<CR>
-nnoremap <leader>pf :lua require('fzf-lua').git_files()<CR>
-nnoremap <leader>pb :lua require('fzf-lua').buffers()<CR>
-nnoremap <leader>pt :lua require('fzf-lua').btags()<CR>
-nnoremap <silent> <leader>pc :call FilesInCurrentComposerPackage()<cr>
+nnoremap <leader>pp :lua require('telescope.builtin').builtin({ include_extensions = true })<cr>
+nnoremap <leader>pf :Telescope git_files<cr>
+nnoremap <leader>pb :Telescope buffers<cr>
+nnoremap <leader>pt :Telescope ctags_outline outline<cr>
+nnoremap <leader>pr :Telescope custom_runs<cr>
+nnoremap <silent> <leader>pc :call TelescopeCurrentComposerPackage()<cr>
 
 " lca = lsp code action
 nnoremap <leader>lca :lua vim.lsp.buf.code_action()<cr>

home/programs/neovim/patches/fzf-lua-colors.patch

@@ -1,13 +0,0 @@
-diff --git a/lua/fzf-lua/make_entry.lua b/lua/fzf-lua/make_entry.lua
-index f964766..be136d7 100644
---- a/lua/fzf-lua/make_entry.lua
-+++ b/lua/fzf-lua/make_entry.lua
-@@ -413,7 +413,7 @@ M.tag = function(x, opts)
-   return ("%s%s: %s %s"):format(
-     M.file(file, opts),
-     not line and "" or ":" .. utils.ansi_codes.green(tostring(line)),
--    utils.ansi_codes.magenta(name),
-+    utils.ansi_codes.blue(name),
-     utils.ansi_codes.green(tag)
-   ), line
- end

home/programs/neovim/plugins/fzf-lua.lua

@@ -1,19 +0,0 @@
-require("fzf-lua").setup({
-    fzf_bin = "fzf-tmux",
-    fzf_opts = {
-        ["--border"] = "rounded",
-    },
-    fzf_tmux_opts = {
-        ["-p"] = "",
-        ["-y"] = "1",
-        ["-w"] = "95%",
-        ["-h"] = "75%",
-    },
-    winopts = {
-        preview = {
-            hidden = "hidden", -- I don't like a preview, keep space for selection
-        },
-    },
-})
-
-require("fzf-lua").register_ui_select()

home/programs/neovim/plugins/telescope-ctags-outline.lua

@@ -0,0 +1,18 @@
+require('telescope').setup({
+    extensions = {
+        ctags_outline = {
+            ctags = { 'ctags' },
+            ft_opt = {
+                css = '--css-types=vcit',
+                fluid = '--xml-types=si',
+                markdown = '--Markdown-types=csStT',
+                rst = '--reStructuredText-types=csSt',
+                sql = '--SQL-types=tE',
+                xml = '--xml-types=ci',
+                yaml = '--Yaml-types=t',
+            },
+        },
+    },
+})
+
+require('telescope').load_extension('ctags_outline')

home/programs/neovim/plugins/telescope.lua

@@ -0,0 +1,31 @@
+local telescope = require('telescope')
+local actions = require('telescope.actions')
+local actionsLayout = require('telescope.actions.layout')
+
+telescope.setup({
+    defaults = {
+        layout_strategy = 'center',
+        layout_config = {
+            width = 0.6,
+        },
+        sorting_strategy = 'ascending',
+        default_mappings = {
+            i = {
+                ["<C-j>"] = actions.move_selection_next,
+                ["<C-k>"] = actions.move_selection_previous,
+                ["<C-c>"] = actions.close,
+
+                ["<CR>"] = actions.select_default,
+                ["<C-h>"] = actions.which_key,
+                ["<C-v>"] = actions.select_vertical,
+
+                ["<C-p>"] = actionsLayout.toggle_preview,
+            },
+        },
+
+        preview = {
+            hide_on_startup = true,
+        },
+    },
+})
+telescope.load_extension('custom_runs')

home/programs/tmux.nix

@@ -21,14 +21,5 @@
 
   sensibleOnTop = false;
 
-  plugins = with pkgs.tmuxPlugins; [
-    {
-      plugin = fzf-tmux-url;
-      extraConfig = ''
-        set -g @fzf-url-fzf-options '-p -y 1 -w 95% -h 75%'
-      '';
-    }
-  ];
-
   extraConfig = builtins.readFile ../files/tmux;
 }