vim-settings/neovim/lua/plugins/grepper.lua

-- Grepper settings and shortcuts
vim.g.grepper = {
    quickfix = 1,
    open = 1,
    switch = 0,
    jump = 0,
    tools = { "git", "rg", "ag", "ack", "pt", "grep" },
    dir = "repo,cwd",
}

local map = vim.api.nvim_set_keymap
local opt_silent = { silent = true }
map("n", "gs", "<plug>(GrepperOperator)", opt_silent)
map("x", "gs", "<plug>(GrepperOperator)", opt_silent)
map("n", "<leader>*", ":Grepper -cword -noprompt<cr>", opt_silent)

-- Override Todo command to use Grepper
vim.cmd("command! Todo :Grepper -noprompt -query TODO")

-- Make some shortands for various grep programs
if vim.fn.executable("rg") == 1 then
    vim.cmd("command -nargs=+ Rg :GrepperRg <args>")
end
if vim.fn.executable("ag") == 1 then
    vim.cmd("command -nargs=+ Ag :GrepperAg <args>")
end
if vim.fn.executable("ack") == 1 then
    vim.cmd("command -nargs=+ Ack :GrepperAck <args>")
end