Add diffview

lua/custom/plugins/init.lua

@@ -11,6 +11,62 @@ vim.keymap.set('n', '<leader>cpe', ':Copilot enable<cr>', { silent = true, norem
 vim.g.copilot_enabled = false
 
 return {
+  {
+    'sindrets/diffview.nvim',
+    dependencies = { 'nvim-lua/plenary.nvim' },
+    config = function()
+      require('diffview').setup {
+        diff_binaries = false, -- Show diffs for binaries
+        enhanced_diff_hl = false, -- See ':h diffview-config-enhanced_diff_hl'
+        git_cmd = { 'git' }, -- The git executable followed by default args.
+        use_icons = true, -- Requires nvim-web-devicons
+        show_help_hints = true, -- Show hints for how to open the help panel
+        watch_index = true, -- Update views and index on git index changes.
+        icons = { -- Only applies when use_icons is true.
+          folder_closed = '',
+          folder_open = '',
+        },
+        signs = {
+          fold_closed = '',
+          fold_open = '',
+          done = '✓',
+        },
+        view = {
+          -- Configure the layout and behavior of different types of views.
+          -- Available layouts:
+          --  'diff1_plain'
+          --    |'diff2_horizontal'
+          --    |'diff2_vertical'
+          --    |'diff3_horizontal'
+          --    |'diff3_vertical'
+          --    |'diff3_mixed'
+          --    |'diff4_mixed'
+          -- For more info, see ':h diffview-config-view.x.layout'.
+          default = {
+            -- Config for changed files, and staged files in diff views.
+            layout = 'diff2_horizontal',
+            winbar_info = false, -- See ':h diffview-config-view.x.winbar_info'
+          },
+          merge_tool = {
+            -- Config for conflicted files in diff views during a merge or rebase.
+            layout = 'diff3_horizontal',
+            disable_diagnostics = true, -- Temporarily disable diagnostics for conflict buffers while in the view.
+            winbar_info = true, -- See ':h diffview-config-view.x.winbar_info'
+          },
+        },
+      }
+
+      -- Diffview keymaps
+      vim.keymap.set('n', '<leader>gd', ':DiffviewOpen<CR>', { desc = 'Open Diffview' })
+      vim.keymap.set('n', '<leader>gc', ':DiffviewClose<CR>', { desc = 'Close Diffview' })
+      vim.keymap.set('n', '<leader>gm', ':DiffviewOpen HEAD~1<CR>', { desc = 'Compare with previous commit' })
+      vim.keymap.set('n', '<leader>gh', ':DiffviewFileHistory<CR>', { desc = 'File history' })
+      vim.keymap.set('n', '<leader>gH', ':DiffviewFileHistory %<CR>', { desc = 'Current file history' })
+
+      -- For merge conflicts specifically
+      vim.keymap.set('n', '<leader>gco', ':DiffviewOpen<CR>', { desc = 'Open merge conflict view' })
+    end,
+  },
   {
     'olrtg/nvim-emmet',
     config = function()