add keymap setup for gitsign, modify README

README.md

@@ -5,3 +5,7 @@ Here is my config of neovim.
 ## Usage
 
 Just clone this repository into directory `~/.config/nvim/` and start neovim. [lazy.nvim](https://github.com/folke/lazy.nvim) will auto install itself and other plugins at startup.
+
+```
+git clone <url of this repo> ~/.config/nvim
+```

lua/plugins/10-editor.lua

@@ -10,23 +10,16 @@ return {
     {
         "karb94/neoscroll.nvim",
         main = "neoscroll",
-        config = true,
         opts = { },
     },
     {
         "lukas-reineke/indent-blankline.nvim",
         main = "indent_blankline",
-        config = true,
         opts = {
             show_current_context = true,
             show_current_context_start = true,
         },
     },
-    {
-        "lewis6991/gitsigns.nvim",
-        main = "gitsigns",
-        opts = { },
-    },
     {
         "akinsho/bufferline.nvim",
         main = "bufferline",

lua/plugins/20-git.lua

@@ -0,0 +1,43 @@
+return {
+    "lewis6991/gitsigns.nvim",
+    main = "gitsigns",
+    opts = {
+        on_attach = function(bufnr)
+            local gs = package.loaded.gitsigns
+            local function m(mode, l, r, opts)
+                opts = opts or {}
+                opts.buffer = bufnr
+                vim.keymap.set(mode, l, r, opts)
+            end
+
+            m("n", "]c", function()
+                if vim.wo.diff then return "]c" end
+                vim.schedule(function() gs.next_hunk() end)
+                return "<Ignore>"
+            end, {expr=true})
+
+            m('n', '[c', function()
+                if vim.wo.diff then return '[c' end
+                vim.schedule(function() gs.prev_hunk() end)
+                return '<Ignore>'
+            end, {expr=true})
+
+            m('n', '<leader>hs', gs.stage_hunk)
+            m('n', '<leader>hr', gs.reset_hunk)
+            m('v', '<leader>hs', function() gs.stage_hunk {vim.fn.line("."), vim.fn.line("v")} end)
+            m('v', '<leader>hr', function() gs.reset_hunk {vim.fn.line("."), vim.fn.line("v")} end)
+            m('n', '<leader>hS', gs.stage_buffer)
+            m('n', '<leader>hu', gs.undo_stage_hunk)
+            m('n', '<leader>hR', gs.reset_buffer)
+            m('n', '<leader>hp', gs.preview_hunk)
+            m('n', '<leader>hb', function() gs.blame_line{full=true} end)
+            m('n', '<leader>tb', gs.toggle_current_line_blame)
+            m('n', '<leader>hd', gs.diffthis)
+            m('n', '<leader>hD', function() gs.diffthis('~') end)
+            m('n', '<leader>td', gs.toggle_deleted)
+        end,
+    },
+    config = function (lazyplug, opts)
+        require(lazyplug.main).setup(opts)
+    end,
+}

lua/plugins/50-treesitter.lua

@@ -1,7 +1,6 @@
 return {
     "nvim-treesitter/nvim-treesitter",
     main = "nvim-treesitter.configs",
-    config = true,
     build =  ":TSUpdate",
     opts = {
         indent = { enable = true },