vim: telescope-undo

modules/base/vim.nix

@@ -131,20 +131,20 @@
 
           -- Restore cursor position when opening a file
           -- https://github.com/neovim/neovim/issues/16339#issuecomment-1457394370
-          vim.api.nvim_create_autocmd('BufRead', {
+          vim.api.nvim_create_autocmd("BufRead", {
             callback = function(opts)
-              vim.api.nvim_create_autocmd('BufWinEnter', {
+              vim.api.nvim_create_autocmd("BufWinEnter", {
                 once = true,
                 buffer = opts.buf,
                 callback = function()
                   local ft = vim.bo[opts.buf].filetype
                   local last_known_line = vim.api.nvim_buf_get_mark(opts.buf, '"')[1]
                   if
-                    not (ft:match('commit') and ft:match('rebase'))
+                    not (ft:match("commit") and ft:match("rebase"))
                     and last_known_line > 1
                     and last_known_line <= vim.api.nvim_buf_line_count(opts.buf)
                   then
-                    vim.api.nvim_feedkeys([[g`"]], 'nx', false)
+                    vim.api.nvim_feedkeys([[g`"]], "nx", false)
                   end
                 end,
               })
@@ -164,11 +164,20 @@
             */
             ''
               require("kanagawa").setup({
+                theme = "wave",
                 commentStyle = { italic = false },
                 keywordStyle = { italic = false },
+                statementStyle = { bold = false },
                 dimInactive = true,
                 colors = {
                   theme = {
+                    wave = {
+                      syn = {
+                        -- Make control flow keywords more pronounced.
+                        -- statement = colors.theme.syn.special2,
+                        keyword = "#E46876"  -- waveRed; same as syn.special2
+                      },
+                    },
                     all = {
                       ui = {
                         -- Don't use a special background for the gutter
@@ -177,9 +186,15 @@
                     },
                   },
                 },
+                -- https://github.com/rebelot/kanagawa.nvim/blob/master/lua/kanagawa/themes.lua
+                -- https://github.com/rebelot/kanagawa.nvim/blob/master/lua/kanagawa/highlights/syntax.lua
+                -- See `:h highlight-groups` and `:h group-name`.
                 overrides = function(colors)
                   local theme = colors.theme
                   return {
+                    -- Show booleans like other special symbols such as 'None'
+                    -- in Python.
+                    Boolean = { fg = theme.syn.special1, bold = false },
                     -- Transparent Floating Windows
                     NormalFloat = { bg = "none" },
                     FloatBorder = { bg = "none" },
@@ -194,7 +209,7 @@
                   }
                 end,
               })
-              vim.cmd("colorscheme kanagawa")
+              vim.cmd.colorscheme("kanagawa")
             '';
         }
 
@@ -493,6 +508,16 @@
                     },
                   },
                 },
+                extensions = {
+                  -- Use vertical layout to allow enough width for
+                  -- side-by-side diffs.
+                  undo = {
+                    layout_strategy = "vertical",
+                    layout_config = {
+                      preview_height = 0.8,
+                    },
+                  },
+                },
               })
 
               -- Keymaps mostly inspired by the popular distros.
@@ -544,6 +569,22 @@
               require("telescope").load_extension("ui-select")
             '';
         }
+        # Visualize your undo tree and fuzzy-search changes in it. For those
+        # days where committing early and often doesn't work out.
+        # https://github.com/debugloop/telescope-undo.nvim
+        {
+          plugin = telescope-undo-nvim;
+          type = "lua";
+          config =
+            /*
+            lua
+            */
+            ''
+              local telescope = require("telescope")
+              telescope.load_extension("undo")
+              vim.keymap.set("n", "<Leader>fu", telescope.extensions.undo.undo)
+            '';
+        }
 
         # Buffer list that lives in the tabline.
         # https://github.com/akinsho/bufferline.nvim