nvim: improve git integration (diffview, gitsigns)

.config/nvim/lua/config/mappings.lua

@@ -65,6 +65,42 @@ vim.keymap.set("n", "<leader>gn", function()
 	vim.lsp.buf.rename()
 end, { desc = "Rename" })
 
+-- vcs
+vim.keymap.set("n", "<leader>vs", function()
+	require("gitsigns").stage_hunk()
+end, { desc = "Stage Hunk" })
+vim.keymap.set("n", "<leader>vr", function()
+	require("gitsigns").reset_hunk()
+end, { desc = "Reset Hunk" })
+vim.keymap.set("v", "<leader>vs", function()
+	require("gitsigns").stage_hunk({ vim.fn.line("."), vim.fn.line("v") })
+end, { desc = "Stage Hunk" })
+vim.keymap.set("v", "<leader>vr", function()
+	require("gitsigns").reset_hunk({ vim.fn.line("."), vim.fn.line("v") })
+end, { desc = "Reset Hunk" })
+vim.keymap.set("n", "<leader>va", function()
+	require("gitsigns").stage_buffer()
+end, { desc = "Stage Buffer" })
+vim.keymap.set("n", "<leader>vu", function()
+	require("gitsigns").undo_stage_hunk()
+end, { desc = "Undo Stage Hunk" })
+vim.keymap.set("n", "<leader>vx", function()
+	require("gitsigns").reset_buffer()
+end, { desc = "Reset Buffer" })
+vim.keymap.set("n", "<leader>vp", function()
+	require("gitsigns").preview_hunk()
+end, { desc = "Preview Hunk" })
+vim.keymap.set("n", "<leader>vb", function()
+	require("gitsigns").blame_line({ full = true })
+end, { desc = "Blame Line" })
+vim.keymap.set("n", "<leader>vB", function()
+	require("gitsigns").toggle_current_line_blame()
+end, { desc = "Toggle Blame" })
+vim.keymap.set("n", "<leader>vt", function()
+	require("gitsigns").toggle_deleted()
+end, { desc = "Toggle Deleted" })
+vim.keymap.set("n", "<leader>vd", "<cmd>DiffviewToggle<CR>", { desc = "Diff" })
+
 -- neotest
 vim.keymap.set("n", "<leader>na", function()
 	require("neotest").run.attach()

.config/nvim/lua/plugins/diffview.lua

@@ -0,0 +1,14 @@
+return {
+	"sindrets/diffview.nvim",
+	config = function()
+		vim.api.nvim_create_user_command("DiffviewToggle", function(e)
+			local view = require("diffview.lib").get_current_view()
+
+			if view then
+				vim.cmd("DiffviewClose")
+			else
+				vim.cmd("DiffviewOpen " .. e.args)
+			end
+		end, { nargs = "*" })
+	end,
+}

.config/nvim/lua/plugins/gitsigns.lua

@@ -0,0 +1,6 @@
+return {
+	"lewis6991/gitsigns.nvim",
+	config = function()
+		require("gitsigns").setup()
+	end,
+}