arch-packages: Update package list

Though Ruff is not an LSP in the LSP sense but using it this way
gives us formatting and linting via code actions. All other Python
LSP servers are garbage anyway.

arch-packages/pkglist.txt

@@ -23,6 +23,7 @@ b43-fwcutter
 base
 bash-completion
 bat
+bc
 bear
 bento4
 bind
@@ -317,6 +318,7 @@ rofi
 rp-pppoe
 rsync
 ruff
+ruff-lsp
 rust-bindgen
 rustup
 s-nail

nvim/.config/nvim/after/ftplugin/python.lua

@@ -1,7 +1,9 @@
-vim.bo.textwidth = 0
-vim.bo.formatprg = "black -q -"
+local lsp_utils   = require('lsp-utils')
+local ruff_config = lsp_utils.ruff_config()
 
-vim.keymap.set('n', 'gq', "ggVGgq<C-o><C-o>", { noremap=true, silent=true, buffer=0 })
+vim.lsp.start(ruff_config)
+
+vim.bo.textwidth = 0
 
 vim.api.nvim_create_autocmd({ "BufWritePost" }, {
   buffer   = 0,

nvim/.config/nvim/after/plugin/nvim-lint.lua

@@ -11,7 +11,6 @@ nvim_lint.linters_by_ft = {
   javascript = { 'eslint_d' },
   lua        = { 'luacheck' },
   markdown   = { 'vale' },
-  python     = { 'ruff' },
   sh         = { 'shellcheck' },
   typescript = { 'eslint_d' },
   yaml       = { 'yamllint' },

nvim/.config/nvim/lua/lsp-utils.lua

@@ -239,6 +239,20 @@ function M.ra_config()
   }
 end
 
+function M.ruff_config()
+  local root_files     = { 'pyproject.toml', 'setup.py', 'setup.cfg', 'requirements.txt', 'Pipfile' }
+  local root_directory = get_root_directory(root_files)
+
+  return {
+    name                = "ruff",
+    cmd                 = { "ruff-lsp" },
+    filetypes           = { 'python' },
+    capabilities        = default_capabilities,
+    root_dir            = root_directory,
+    single_file_support = true,
+  }
+end
+
 function M.scheme_config()
   local root_files     = { '.git' }
   local root_directory = get_root_directory(root_files)