Add gitsigns recommended keymaps as an optional plugin (#858)

* Move autopairs example from README to an optional plugin

* Move neo-tree example from README to an optional plugin

README.md

@@ -99,71 +99,10 @@ That's it! Lazy will install all the plugins you have. Use `:Lazy` to view
 current plugin status. Hit `q` to close the window.
 
 Read through the `init.lua` file in your configuration folder for more
-information about extending and exploring Neovim.
+information about extending and exploring Neovim. That includes also
+examples of adding popularly requested plugins.
 
 
-#### Examples of adding popularly requested plugins
-
-NOTE: You'll need to uncomment the line in the init.lua that turns on loading custom plugins.
-
-<details>
-  <summary>Adding autopairs</summary>
-
-This will automatically install [windwp/nvim-autopairs](https://github.com/windwp/nvim-autopairs)
-and enable it on startup. For more information, see documentation for
-[lazy.nvim](https://github.com/folke/lazy.nvim).
-
-In the file: `lua/custom/plugins/autopairs.lua`, add:
-
-```lua
--- File: lua/custom/plugins/autopairs.lua
-
-return {
-  "windwp/nvim-autopairs",
-  -- Optional dependency
-  dependencies = { 'hrsh7th/nvim-cmp' },
-  config = function()
-    require("nvim-autopairs").setup {}
-    -- If you want to automatically add `(` after selecting a function or method
-    local cmp_autopairs = require('nvim-autopairs.completion.cmp')
-    local cmp = require('cmp')
-    cmp.event:on(
-      'confirm_done',
-      cmp_autopairs.on_confirm_done()
-    )
-  end,
-}
-```
-
-</details>
-<details>
-  <summary>Adding a file tree plugin</summary>
-
-This will install the tree plugin and add the command `:Neotree` for you.
-For more information, see the documentation at
-[neo-tree.nvim](https://github.com/nvim-neo-tree/neo-tree.nvim).
-
-In the file: `lua/custom/plugins/filetree.lua`, add:
-
-```lua
--- File: lua/custom/plugins/filetree.lua
-
-return {
-  "nvim-neo-tree/neo-tree.nvim",
-  version = "*",
-  dependencies = {
-    "nvim-lua/plenary.nvim",
-    "nvim-tree/nvim-web-devicons", -- not strictly required, but recommended
-    "MunifTanjim/nui.nvim",
-  },
-  config = function ()
-    require('neo-tree').setup {}
-  end,
-}
-```
-
-</details>
-
 ### Getting Started
 
 [The Only Video You Need to Get Started with Neovim](https://youtu.be/m8C0Cq9Uv9o)

init.lua

@@ -287,7 +287,12 @@ require('lazy').setup({
         ['<leader>s'] = { name = '[S]earch', _ = 'which_key_ignore' },
         ['<leader>w'] = { name = '[W]orkspace', _ = 'which_key_ignore' },
         ['<leader>t'] = { name = '[T]oggle', _ = 'which_key_ignore' },
+        ['<leader>h'] = { name = 'Git [H]unk', _ = 'which_key_ignore' },
       }
+      -- visual mode
+      require('which-key').register({
+        ['<leader>h'] = { 'Git [H]unk' },
+      }, { mode = 'v' })
     end,
   },
 
@@ -854,6 +859,9 @@ require('lazy').setup({
   -- require 'kickstart.plugins.debug',
   -- require 'kickstart.plugins.indent_line',
   -- require 'kickstart.plugins.lint',
+  -- require 'kickstart.plugins.autopairs',
+  -- require 'kickstart.plugins.neo-tree',
+  -- require 'kickstart.plugins.gitsigns', -- adds gitsigns recommend keymaps
 
   -- NOTE: The import below can automatically add your own plugins, configuration, etc from `lua/custom/plugins/*.lua`
   --    This is the easiest way to modularize your config.

lua/kickstart/plugins/autopairs.lua

@@ -0,0 +1,16 @@
+-- autopairs
+-- https://github.com/windwp/nvim-autopairs
+
+return {
+  'windwp/nvim-autopairs',
+  event = 'InsertEnter',
+  -- Optional dependency
+  dependencies = { 'hrsh7th/nvim-cmp' },
+  config = function()
+    require('nvim-autopairs').setup {}
+    -- If you want to automatically add `(` after selecting a function or method
+    local cmp_autopairs = require 'nvim-autopairs.completion.cmp'
+    local cmp = require 'cmp'
+    cmp.event:on('confirm_done', cmp_autopairs.on_confirm_done())
+  end,
+}

lua/kickstart/plugins/gitsigns.lua

@@ -0,0 +1,61 @@
+-- Adds git related signs to the gutter, as well as utilities for managing changes
+-- NOTE: gitsigns is already included in init.lua but contains only the base
+-- config. This will add also the recommended keymaps.
+
+return {
+  {
+    'lewis6991/gitsigns.nvim',
+    opts = {
+      on_attach = function(bufnr)
+        local gitsigns = require 'gitsigns'
+
+        local function map(mode, l, r, opts)
+          opts = opts or {}
+          opts.buffer = bufnr
+          vim.keymap.set(mode, l, r, opts)
+        end
+
+        -- Navigation
+        map('n', ']c', function()
+          if vim.wo.diff then
+            vim.cmd.normal { ']c', bang = true }
+          else
+            gitsigns.nav_hunk 'next'
+          end
+        end, { desc = 'Jump to next git [c]hange' })
+
+        map('n', '[c', function()
+          if vim.wo.diff then
+            vim.cmd.normal { '[c', bang = true }
+          else
+            gitsigns.nav_hunk 'prev'
+          end
+        end, { desc = 'Jump to previous git [c]hange' })
+
+        -- Actions
+        -- visual mode
+        map('v', '<leader>hs', function()
+          gitsigns.stage_hunk { vim.fn.line '.', vim.fn.line 'v' }
+        end, { desc = 'stage git hunk' })
+        map('v', '<leader>hr', function()
+          gitsigns.reset_hunk { vim.fn.line '.', vim.fn.line 'v' }
+        end, { desc = 'reset git hunk' })
+        -- normal mode
+        map('n', '<leader>hs', gitsigns.stage_hunk, { desc = 'git [s]tage hunk' })
+        map('n', '<leader>hr', gitsigns.reset_hunk, { desc = 'git [r]eset hunk' })
+        map('n', '<leader>hS', gitsigns.stage_buffer, { desc = 'git [S]tage buffer' })
+        map('n', '<leader>hu', gitsigns.undo_stage_hunk, { desc = 'git [u]ndo stage hunk' })
+        map('n', '<leader>hR', gitsigns.reset_buffer, { desc = 'git [R]eset buffer' })
+        map('n', '<leader>hp', gitsigns.preview_hunk, { desc = 'git [p]review hunk' })
+        map('n', '<leader>hb', gitsigns.blame_line, { desc = 'git [b]lame line' })
+        map('n', '<leader>hd', gitsigns.diffthis, { desc = 'git [d]iff against index' })
+        map('n', '<leader>hD', function()
+          gitsigns.diffthis '@'
+        end, { desc = 'git [D]iff against last commit' })
+        -- Toggles
+        map('n', '<leader>tb', gitsigns.toggle_current_line_blame, { desc = '[T]oggle git show [b]lame line' })
+        map('n', '<leader>tD', gitsigns.toggle_deleted, { desc = '[T]oggle git show [D]eleted' })
+      end,
+    },
+  },
+}

lua/kickstart/plugins/neo-tree.lua

@@ -0,0 +1,25 @@
+-- Neo-tree is a Neovim plugin to browse the file system
+-- https://github.com/nvim-neo-tree/neo-tree.nvim
+
+return {
+  'nvim-neo-tree/neo-tree.nvim',
+  version = '*',
+  dependencies = {
+    'nvim-lua/plenary.nvim',
+    'nvim-tree/nvim-web-devicons', -- not strictly required, but recommended
+    'MunifTanjim/nui.nvim',
+  },
+  cmd = 'Neotree',
+  keys = {
+    { '\\', ':Neotree reveal<CR>', { desc = 'NeoTree reveal' } },
+  },
+  opts = {
+    filesystem = {
+      window = {
+        mappings = {
+          ['\\'] = 'close_window',
+        },
+      },
+    },
+  },
+}