Merge 074a53a66451d3445031633599c9aaa7a5c80f95 into 2383eb70755ce72e0375169051309c01dd33c480

Note that we should keep the branch of nvim-treesitter and nvim-treesitter-textobjects the same. `main` is targeted at nightly neovim and `master` is for stable neovim. See also https://github.com/nvim-treesitter/nvim-treesitter/issues/4767

autoload/utils.vim

@@ -10,23 +10,6 @@ function! s:Single_quote(str) abort
   return "'" . substitute(copy(a:str), "'", "''", 'g') . "'"
 endfunction
 
-" Check the syntax group in the current cursor position, see
-" https://stackoverflow.com/q/9464844/6064933 and
-" https://jordanelver.co.uk/blog/2015/05/27/working-with-vim-colorschemes/
-function! utils#SynGroup() abort
-  if !exists('*synstack')
-    return
-  endif
-  echo map(synstack(line('.'), col('.')), 'synIDattr(v:val, "name")')
-endfunction
-
-" Check if a colorscheme exists in runtimepath.
-" The following two functions are inspired by https://stackoverflow.com/a/5703164/6064933.
-function! utils#HasColorscheme(name) abort
-  let l:pat = printf('colors/%s.vim', a:name)
-  return !empty(globpath(&runtimepath, l:pat))
-endfunction
-
 " Custom fold expr, adapted from https://vi.stackexchange.com/a/9094/15292
 function! utils#VimFolds(lnum) abort
   " get content of current line and the line below
@@ -146,27 +129,6 @@ function! utils#iso_time(timestamp) abort
 
 endfunction
 
-" Check if we are inside a Git repo.
-function! utils#Inside_git_repo() abort
-  let res = system('git rev-parse --is-inside-work-tree')
-  if match(res, 'true') == -1
-    return v:false
-  else
-    " Manually trigger a special user autocmd InGitRepo (used lazyloading.
-    doautocmd User InGitRepo
-    return v:true
-  endif
-endfunction
-
-function! utils#GetGitBranch()
-  let l:res = systemlist('git rev-parse --abbrev-ref HEAD')[0]
-  if match(l:res, 'fatal') != -1
-    return ''
-  else
-    return l:res
-  endif
-endfunction
-
 " Redirect command output to a register for later processing.
 " Ref: https://stackoverflow.com/q/2573021/6064933 and https://unix.stackexchange.com/q/8101/221410 .
 function! utils#CaptureCommandOutput(command) abort

lua/colorschemes.lua

@@ -1,5 +1,4 @@
 --- This module will load a random colorscheme on nvim startup process.
-
 local utils = require("utils")
 
 local M = {}
@@ -8,9 +7,14 @@ local M = {}
 -- the same as the colorscheme name itself.
 M.colorscheme_conf = {
   onedark = function()
-    vim.cmd([[colorscheme onedark]])
+    -- Lua
+    require("onedark").setup {
+      style = "darker",
+    }
+    require("onedark").load()
   end,
   edge = function()
+    vim.g.edge_style = "default"
     vim.g.edge_enable_italic = 1
     vim.g.edge_better_performance = 1
 
@@ -26,13 +30,14 @@ M.colorscheme_conf = {
     -- foreground option can be material, mix, or original
     vim.g.gruvbox_material_foreground = "original"
     --background option can be hard, medium, soft
-    vim.g.gruvbox_material_background = "medium"
+    vim.g.gruvbox_material_background = "hard"
     vim.g.gruvbox_material_enable_italic = 1
     vim.g.gruvbox_material_better_performance = 1
 
     vim.cmd([[colorscheme gruvbox-material]])
   end,
   everforest = function()
+    vim.g.everforest_background = "hard"
     vim.g.everforest_enable_italic = 1
     vim.g.everforest_better_performance = 1
 
@@ -50,10 +55,11 @@ M.colorscheme_conf = {
   end,
   onedarkpro = function()
     -- set colorscheme after options
-    vim.cmd("colorscheme onedark_vivid")
+    -- onedark_vivid does not enough contrast
+    vim.cmd("colorscheme onedark_dark")
   end,
   material = function()
-    vim.g.material_style = "oceanic"
+    vim.g.material_style = "darker"
     vim.cmd("colorscheme material")
   end,
   arctic = function()
@@ -67,6 +73,7 @@ M.colorscheme_conf = {
 --- Use a random colorscheme from the pre-defined list of colorschemes.
 M.rand_colorscheme = function()
   local colorscheme = utils.rand_element(vim.tbl_keys(M.colorscheme_conf))
+  colorscheme = "gruvbox_material"
 
   if not vim.tbl_contains(vim.tbl_keys(M.colorscheme_conf), colorscheme) then
     local msg = "Invalid colorscheme: " .. colorscheme

lua/config/gitsigns.lua

@@ -8,7 +8,7 @@ gs.setup {
     topdelete = { text = "‾" },
     changedelete = { text = "│" },
   },
-  word_diff = true,
+  word_diff = false,
   on_attach = function(bufnr)
     local function map(mode, l, r, opts)
       opts = opts or {}
@@ -38,10 +38,10 @@ gs.setup {
     end, { expr = true, desc = "previous hunk" })
 
     -- Actions
-    map("n", "<leader>hp", gs.preview_hunk)
+    map("n", "<leader>hp", gs.preview_hunk, { desc = "preview hunk" })
     map("n", "<leader>hb", function()
       gs.blame_line { full = true }
-    end)
+    end, { desc = "blame hunk" })
   end,
 }
 

lua/config/lsp.lua

@@ -117,7 +117,7 @@ local custom_attach = function(client, bufnr)
   end
 end
 
-local capabilities = require("cmp_nvim_lsp").default_capabilities()
+local capabilities = vim.lsp.protocol.make_client_capabilities()
 
 -- required by nvim-ufo
 capabilities.textDocument.foldingRange = {
@@ -278,6 +278,32 @@ if utils.executable("lua-language-server") then
   }
 end
 
+-- settings for rust-analyzer is copied from https://rust-analyzer.github.io/manual.html#nvim-lsp
+if utils.executable("rust-analyzer") then
+  lspconfig.rust_analyzer.setup {
+    on_attach = custom_attach,
+    settings = {
+      ['rust-analyzer'] = {
+        imports = {
+          granularity = {
+            group = "module",
+          },
+          prefix = "self",
+        },
+        cargo = {
+          buildScripts = {
+            enable = true,
+          },
+        },
+        procMacro = {
+          enable = true
+        },
+      },
+    },
+    capabilities = capabilities,
+  }
+end
+
 -- Change diagnostic signs.
 fn.sign_define("DiagnosticSignError", { text = "🆇", texthl = "DiagnosticSignError" })
 fn.sign_define("DiagnosticSignWarn", { text = "⚠️", texthl = "DiagnosticSignWarn" })

lua/config/lualine.lua

@@ -42,7 +42,9 @@ local async_git_status_update = function()
   async_cmd(ahead_cmd_str, handle_numeric_result("ahead_count"))
 end
 
-local function get_ahead_behind_info()
+local function get_git_ahead_behind_info()
+  async_git_status_update()
+
   local status = git_status_cache
   if not status then
     return ""
@@ -63,9 +65,6 @@ local function get_ahead_behind_info()
   return msg
 end
 
-local timer = vim.loop.new_timer()
-timer:start(0, 1000, async_git_status_update)
-
 local function spell()
   if vim.o.spell then
     return string.format("[SPELL]")
@@ -210,6 +209,9 @@ require("lualine").setup {
     section_separators = "",
     disabled_filetypes = {},
     always_divide_middle = true,
+    refresh = {
+      statusline = 500,
+    },
   },
   sections = {
     lualine_a = {
@@ -230,7 +232,7 @@ require("lualine").setup {
         color = { gui = "italic,bold" },
       },
       {
-        get_ahead_behind_info,
+        get_git_ahead_behind_info,
         color = { fg = "#E0C479" },
       },
       {

lua/config/treesitter-textobjects.lua

@@ -0,0 +1,44 @@
+require("nvim-treesitter.configs").setup {
+  textobjects = {
+    select = {
+      enable = true,
+
+      -- Automatically jump forward to textobj, similar to targets.vim
+      lookahead = true,
+
+      keymaps = {
+        -- You can use the capture groups defined in textobjects.scm
+        ["af"] = "@function.outer",
+        ["if"] = "@function.inner",
+        ["ac"] = "@class.outer",
+        -- You can optionally set descriptions to the mappings (used in the desc parameter of
+        -- nvim_buf_set_keymap) which plugins like which-key display
+        ["ic"] = { query = "@class.inner", desc = "Select inner part of a class region" },
+      },
+      -- You can choose the select mode (default is charwise 'v')
+      --
+      -- Can also be a function which gets passed a table with the keys
+      -- * query_string: eg '@function.inner'
+      -- * method: eg 'v' or 'o'
+      -- and should return the mode ('v', 'V', or '<c-v>') or a table
+      -- mapping query_strings to modes.
+      selection_modes = {
+        ["@function.inner"] = "V", -- linewise
+        ["@function.outer"] = "V", -- linewise
+        ["@class.outer"] = "V", -- linewise
+        ["@class.inner"] = "V", -- linewise
+        ["@parameter.outer"] = "v", -- charwise
+      },
+      -- If you set this to `true` (default is `false`) then any textobject is
+      -- extended to include preceding or succeeding whitespace. Succeeding
+      -- whitespace has priority in order to act similarly to eg the built-in
+      -- `ap`.
+      --
+      -- Can also be a function which gets passed a table with the keys
+      -- * query_string: eg '@function.inner'
+      -- * selection_mode: eg 'v'
+      -- and should return true or false
+      include_surrounding_whitespace = false,
+    },
+  },
+}

lua/custom-autocmd.lua

@@ -54,6 +54,13 @@ api.nvim_create_autocmd({ "BufWritePre" }, {
   end,
 })
 
+api.nvim_create_autocmd({ "BufWritePre" }, {
+  pattern = {"*.c", "*.cc", "*.cpp", "*.h", "*.rs", "*.py"},
+  callback = function()
+    vim.lsp.buf.format { asnyc = false }
+  end,
+})
+
 -- Automatically reload the file if it is changed outside of Nvim, see https://unix.stackexchange.com/a/383044/221410.
 -- It seems that `checktime` does not work in command line. We need to check if we are in command
 -- line before executing this command, see also https://vi.stackexchange.com/a/20397/15292 .
@@ -206,14 +213,16 @@ api.nvim_create_autocmd({ "VimEnter", "DirChanged" }, {
   group = api.nvim_create_augroup("git_repo_check", { clear = true }),
   pattern = "*",
   desc = "check if we are inside Git repo",
-  command = "call utils#Inside_git_repo()",
+  callback = function()
+    utils.inside_git_repo()
+  end,
 })
 
 -- ref: https://vi.stackexchange.com/a/169/15292
 api.nvim_create_autocmd("BufReadPre", {
   group = api.nvim_create_augroup("large_file", { clear = true }),
   pattern = "*",
-  desc = "check if we are inside Git repo",
+  desc = "optimize for large file",
   callback = function(ev)
     local file_size_limit = 524288 -- 0.5MB
     local f = ev.file

lua/mappings.lua

@@ -143,9 +143,6 @@ keymap.set("x", "c", '"_c')
 -- Remove trailing whitespace characters
 keymap.set("n", "<leader><space>", "<cmd>StripTrailingWhitespace<cr>", { desc = "remove trailing space" })
 
--- check the syntax group of current cursor position
-keymap.set("n", "<leader>st", "<cmd>call utils#SynGroup()<cr>", { desc = "check syntax group" })
-
 -- Copy entire buffer.
 keymap.set("n", "<leader>y", "<cmd>%yank<cr>", { desc = "yank entire buffer" })
 

lua/plugin_specs.lua

@@ -23,7 +23,7 @@ end
 local plugin_specs = {
   -- auto-completion engine
   {
-    "iguanacucumber/magazine.nvim",
+    "hrsh7th/nvim-cmp",
     name = "nvim-cmp",
     -- event = 'InsertEnter',
     event = "VeryLazy",
@@ -39,6 +39,7 @@ local plugin_specs = {
       require("config.nvim-cmp")
     end,
   },
+
   {
     "neovim/nvim-lspconfig",
     event = { "BufRead", "BufNewFile" },
@@ -61,10 +62,14 @@ local plugin_specs = {
       require("config.treesitter")
     end,
   },
-
-  -- Python-related text object
-  { "jeetsukumaran/vim-pythonsense", ft = { "python" } },
-
+  {
+    "nvim-treesitter/nvim-treesitter-textobjects",
+    event = "VeryLazy",
+    branch = "master",
+    config = function()
+      require("config.treesitter-textobjects")
+    end,
+  },
   { "machakann/vim-swap", event = "VeryLazy" },
 
   -- IDE for Lisp
@@ -381,7 +386,7 @@ local plugin_specs = {
       end
       return false
     end,
-    build = "cd app && npm install",
+    build = "cd app && npm install && git restore .",
     ft = { "markdown" },
   },
 

lua/utils.lua

@@ -79,4 +79,18 @@ function M.is_compatible_version(expected_version)
   return true
 end
 
+--- check if we are inside a git repo
+--- @return boolean
+function M.inside_git_repo()
+  local result = vim.system({ "git", "rev-parse", "--is-inside-work-tree" }, { text = true }):wait()
+  if result.code ~= 0 then
+    return false
+  end
+
+  -- Manually trigger a special user autocmd InGitRepo (used lazyloading.
+  vim.cmd([[doautocmd User InGitRepo]])
+
+  return true
+end
+
 return M