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

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,
   },
 
@@ -856,6 +861,7 @@ require('lazy').setup({
   -- 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/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,
+    },
+  },
+}