chore: port codespell (#5)

README.md

@@ -11,6 +11,7 @@
 - [x] [black](https://github.com/psf/black)
 - [x] [cbfmt](https://github.com/lukas-reineke/cbfmt)
 - [x] [clang-format](https://www.kernel.org/doc/html/latest/process/clang-format.html)
+- [ ] [codespell](https://github.com/codespell-project/codespell)
 - [ ] [djhtml](https://github.com/rtts/djhtml)
 - [ ] [fish_indent](https://fishshell.com/docs/current/cmds/fish_indent.html)
 - [ ] [fnlfmt](https://git.sr.ht/~technomancy/fnlfmt)

lua/guard-collection/linter/codespell.lua

@@ -0,0 +1,20 @@
+local lint = require('guard.lint')
+return {
+  cmd = 'codespell',
+  args = {
+    '-',
+  },
+  stdin = true,
+  parse = function(result, bufnr)
+    local diags = {}
+    local t = vim.split(result, '\n')
+    for i, e in ipairs(t) do
+      local lnum = e:match('^%d+')
+      if lnum then
+        diags[#diags + 1] =
+          lint.diag_fmt(bufnr, tonumber(lnum) - 1, 0, t[i + 1]:gsub('\t', ''), 2, 'codespell')
+      end
+    end
+    return diags
+  end,
+}