Extending Vim With Shell Commands

Vimconf 2022

The pitch

Extending vim does not need to be complicated and can be done using cli tools that you might already be comfortable with. Examples, setting up codeformatters with autocmds, using lf/ranger as a tui file manager, generating new files using a template framework like cookiecutter/copier/yeoman, using ag to populate your quickfix.

run a command

        
vimconf!!<esc>!!figlet

formatters

        
local settings = require'waylonwalker.settings'

M.waylonwalker_augroup = augroup('waylonwalker', { clear = true })
M.format_python = function()
    if settings.auto_format.python then
        vim.cmd('silent execute "%!tidy-imports --black --quiet --replace-star-imports --replace --add-missing --remove-unused " . bufname("%")')
        vim.cmd('silent execute "%!isort " . bufname("%")')
        vim.cmd('silent execute "%!black " . bufname("%")')
    end
end

autocmd({ "BufWritePost" }, {
    group=M.waylonwalker_augroup,
    pattern = { "*.py" },
    callback = M.format_python,
})

File Navigation

        
vim.keymap.set('n', 'geit', '<cmd>terminal markata list --map path --filter \'"til" in path\' --fast --no-pager<cr>')

        
vim.keymap.set('n', 'geit', '<cmd>Telescope find_files find_command=markata,list,--map,path,--filter,date==today,--fast<cr>')

        
vim.keymap.set('n', '<leader>ee', '<cmd>vertical terminal lf<cr>')

FloatTerm

        
vim.keymap.set('n', '<leader><leader>w', '<cmd>FloatermNew waylonwalker<cr>')
vim.g['floaterm_opener'] = 'vsplit'
vim.keymap.set('n', 'gee', '<cmd>FloatermNew lf<cr>')

vimgrep over hidden files

I know all the files that I care to search for are called build.yml, and they are in a hidden directory.

        
:args `fd -H build.yml`
:vimgrep /upload docs/ ##

Once opened as a buffer by using args, and a handy fd command I can vimgrep over all the open buffers using ##

Open buffers are represented by ##

Now I can just dap and :cnext my way through the list of changes that I have, and know that I hit every one of them when I am at the end of my list. And can double check this in about 10s by scrolling back through the quickfix list.