Add diffview

Use instead of fugitive for easy staging

lazy-lock.json

@@ -11,13 +11,14 @@
   "cmp-nvim-lua": { "branch": "main", "commit": "f12408bdb54c39c23e67cab726264c10db33ada8" },
   "cmp-path": { "branch": "main", "commit": "91ff86cd9c29299a64f968ebb45846c485725f23" },
   "cmp_luasnip": { "branch": "master", "commit": "18095520391186d634a0045dacaa346291096566" },
+  "diffview.nvim": { "branch": "main", "commit": "a111d19ccceac6530448d329c63f998f77b5626e" },
   "friendly-snippets": { "branch": "main", "commit": "ebf6d6e83494cdd88a54a429340256f4dbb6a052" },
   "gitsigns.nvim": { "branch": "main", "commit": "bce4576a9047085a528c479a7fe1e2f6b787b6c1" },
   "indent-blankline.nvim": { "branch": "master", "commit": "9637670896b68805430e2f72cf5d16be5b97a22a" },
   "lazy.nvim": { "branch": "main", "commit": "2a9354c7d2368d78cbd5575a51a2af5bd8a6ad01" },
   "lspkind.nvim": { "branch": "master", "commit": "57610d5ab560c073c465d6faf0c19f200cb67e6e" },
   "lualine.nvim": { "branch": "master", "commit": "45e27ca739c7be6c49e5496d14fcf45a303c3a63" },
-  "mason-lspconfig.nvim": { "branch": "main", "commit": "f014db32437aa61c86fc0ef1067cd2bc6a37205c" },
+  "mason-lspconfig.nvim": { "branch": "main", "commit": "2451adb9bdb0fd32140bf3aa8dbc17ff60050db3" },
   "mason-update-all": { "branch": "main", "commit": "007a4085fe5e830b9139313652e1553bf1a9b857" },
   "mason.nvim": { "branch": "main", "commit": "d66c60e17dd6fd8165194b1d14d21f7eb2c1697a" },
   "move.nvim": { "branch": "main", "commit": "d663b74b4e38f257aae757541c9076b8047844d6" },

lua/plugins/config/diffview.lua

@@ -0,0 +1,81 @@
+--[[
+    Copyright 2023 Oscar Wallberg
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        https://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+]]
+
+-- https://github.com/sindrets/diffview.nvim
+
+local actions = require("diffview.actions")
+
+require("diffview").setup({
+    enhanced_diff_hl = true,
+    view = {
+        default = {
+            layout = "diff3_mixed",
+            winbar_info = true,
+        },
+        merge_tool = {
+            layout = "diff3_mixed",
+            disable_diagnostics = true,
+            winbar_info = true,
+        },
+        file_history = {
+            layout = "diff2_horizontal",
+            winbar_info = true,
+        },
+    },
+    default_args = {
+        DiffviewOpen = { "--imply-local", },
+    },
+    keymaps = {
+        file_panel = {
+            {
+                "n",
+                "<CR>",
+                function()
+                    actions.select_entry()
+                    vim.fn.execute("wincmd l")
+                end,
+                { desc = "Focus the diff for the selected entry", },
+            },
+            {
+                "n",
+                "s",
+                actions.toggle_stage_entry,
+                { desc = "Stage / unstage the selected entry", },
+            },
+            {
+                "n",
+                "u",
+                actions.toggle_stage_entry,
+                { desc = "Stage / unstage the selected entry", },
+            },
+            {
+                "n",
+                "cc",
+                ":G commit | wincmd J<CR>",
+                { desc = "Commit staged changes", },
+            },
+            {
+                "n",
+                "ca",
+                ":G commit --amend | wincmd J<CR>",
+                { desc = "Amend the last commit", },
+            },
+        },
+    },
+})
+
+local opts = { silent = true, remap = false, }
+vim.keymap.set("n", "<leader>gg", ":DiffviewOpen<CR>", opts)

lua/plugins/config/fugitive.lua

@@ -22,6 +22,10 @@ local function git_status_tab()
     vim.fn.execute("vertical resize 60 | set wfw")
 end
 
-vim.keymap.set("n", "<leader>gd", ":Gdiffsplit<CR>", { remap = false, })
-vim.keymap.set("n", "<leader>gg", git_status_tab, { silent = true, remap = false, })
-vim.keymap.set("n", "<leader>gc", ":G commit<CR>", { remap = false, })
+local opts = { silent = true, remap = false, }
+vim.keymap.set("n", "<leader>gd", ":Gdiffsplit<CR>", opts)
+
+-- Only used if diffview is not available
+if not pcall(require, "diffview") then
+    vim.keymap.set("n", "<leader>gg", git_status_tab, opts)
+end

lua/plugins/init.lua

@@ -226,6 +226,13 @@ local plugins = {
     {
         "farmergreg/vim-lastplace",
     },
+    {
+        "sindrets/diffview.nvim",
+        config = function () require("plugins.config.diffview") end,
+        dependencies = {
+            "nvim-tree/nvim-web-devicons",
+        },
+    },
 }
 
 local opts = {}