Wrong colors with grep output

[arntanguy]

I tried running a simple grep command to generate ansi color codes and test this plugin, the colors displayed are wrong:

cd ~/.config/nvim
git grep --color=always return > /tmp/test.txt

which gives

�[35mREADME.md�[m�[36m:�[m�[1;31mreturn�[m {
�[35mREADME.md�[m�[36m:�[m�[1;31mreturn�[m {
�[35minit.lua�[m�[36m:�[m�[1;31mreturn�[m oldhlsearch
�[35minit.lua�[m�[36m:�[m    -- the plugin directory (e.g. `~/projects/plugin-name`) must be �[1;31mreturn�[med.
�[35minit.lua�[m�[36m:�[m        �[1;31mreturn�[m remote_path
�[35minit.lua�[m�[36m:�[m        �[1;31mreturn�[m local_path
�[35minit.lua�[m�[36m:�[m          �[1;31mreturn�[m vim.fn.executable 'make' == 1
�[35mlua/custom/plugins/Comment.lua�[m�[36m:�[m�[1;31mreturn�[m  {
�[35mlua/custom/plugins/cmake-tools.lua�[m�[36m:�[m�[1;31mreturn�[m {
�[35mlua/custom/plugins/cmake-tools.lua�[m�[36m:�[m        �[1;31mreturn�[m "build/${variant:buildType}"
�[35mlua/custom/plugins/cmake-tools.lua�[m�[36m:�[m      end, -- this is used to specify generate directory for cmake, allows macro expansion, can be a string or a function �[1;31mreturn�[ming the string, relative to cwd.
�[35mlua/custom/plugins/codeium-nvim.lua�[m�[36m:�[m�[1;31mreturn�[m {
�[35mlua/custom/plugins/colorscheme.lua�[m�[36m:�[m�[1;31mreturn�[m { -- You can easily change to a different colorscheme.
�[35mlua/custom/plugins/conform.lua�[m�[36m:�[m�[1;31mreturn�[m {}
�[35mlua/custom/plugins/conform.lua�[m�[36m:�[m-- �[1;31mreturn�[m { -- Autoformat
�[35mlua/custom/plugins/fidget.lua�[m�[36m:�[m�[1;31mreturn�[m {
�[35mlua/custom/plugins/init.lua�[m�[36m:�[m�[1;31mreturn�[m {}
�[35mlua/custom/plugins/lazydocker.lua�[m�[36m:�[m�[1;31mreturn�[m {
�[35mlua/custom/plugins/lualine.lua�[m�[36m:�[m�[1;31mreturn�[m {
�[35mlua/custom/plugins/lualine.lua�[m�[36m:�[m                    �[1;31mreturn�[m vim.fn.empty(vim.fn.expand("%:t")) ~= 1
�[35mlua/custom/plugins/lualine.lua�[m�[36m:�[m                    �[1;31mreturn�[m vim.fn.winwidth(0) > 80
�[35mlua/custom/plugins/lualine.lua�[m�[36m:�[m                    �[1;31mreturn�[m gitdir and #gitdir > 0 and #gitdir < #filepath
�[35mlua/custom/plugins/lualine.lua�[m�[36m:�[m                    �[1;31mreturn�[m "CMake: [" .. (c_preset and c_preset or "X") .. "]"
�[35mlua/custom/plugins/lualine.lua�[m�[36m:�[m                    �[1;31mreturn�[m cmake.is_cmake_project() and cmake.has_cmake_preset()
�[35mlua/custom/plugins/lualine.lua�[m�[36m:�[m                    �[1;31mreturn�[m "CMake: [" .. (type and type or "") .. "]"
�[35mlua/custom/plugins/lualine.lua�[m�[36m:�[m                    �[1;31mreturn�[m cmake.is_cmake_project() and not cmake.has_cmake_preset()
�[35mlua/custom/plugins/lualine.lua�[m�[36m:�[m                    �[1;31mreturn�[m "[" .. (kit and kit or "X") .. "]"
�[35mlua/custom/plugins/lualine.lua�[m�[36m:�[m                    �[1;31mreturn�[m cmake.is_cmake_project() and not cmake.has_cmake_preset()
�[35mlua/custom/plugins/lualine.lua�[m�[36m:�[m                    �[1;31mreturn�[m "Build"
�[35mlua/custom/plugins/lualine.lua�[m�[36m:�[m                    �[1;31mreturn�[m "[" .. (b_preset and b_preset or "X") .. "]"
�[35mlua/custom/plugins/lualine.lua�[m�[36m:�[m                    �[1;31mreturn�[m cmake.is_cmake_project() and cmake.has_cmake_preset()
�[35mlua/custom/plugins/lualine.lua�[m�[36m:�[m                    �[1;31mreturn�[m "[" .. (b_target and b_target or "X") .. "]"
�[35mlua/custom/plugins/lualine.lua�[m�[36m:�[m                    �[1;31mreturn�[m icons.ui.Debug
�[35mlua/custom/plugins/lualine.lua�[m�[36m:�[m                    �[1;31mreturn�[m icons.ui.Run
�[35mlua/custom/plugins/lualine.lua�[m�[36m:�[m                    �[1;31mreturn�[m "[" .. (l_target and l_target or "X") .. "]"
�[35mlua/custom/plugins/lualine.lua�[m�[36m:�[m            �[1;31mreturn�[m sections
�[35mlua/custom/plugins/lualine.lua�[m�[36m:�[m                        �[1;31mreturn�[m vim.g.remote_neovim_host and ("%s"):format(vim.g.remote_neovim_unique_host_id or vim.uv.os_gethostname()) or ""
�[35mlua/custom/plugins/lualine.lua�[m�[36m:�[m                        �[1;31mreturn�[m vim.g.remote_neovim_host
�[35mlua/custom/plugins/lualine.lua�[m�[36m:�[m            �[1;31mreturn�[m sections
�[35mlua/custom/plugins/lualine.lua�[m�[36m:�[m                    �[1;31mreturn�[m codeium.status_string()
�[35mlua/custom/plugins/lualine.lua�[m�[36m:�[m                    �[1;31mreturn�[m codeium ~= nil
�[35mlua/custom/plugins/lualine.lua�[m�[36m:�[m            �[1;31mreturn�[m sections
�[35mlua/custom/plugins/mini.lua�[m�[36m:�[m�[1;31mreturn�[m { -- Collection of various small independent plugins/modules
�[35mlua/custom/plugins/mini.lua�[m�[36m:�[m    --   �[1;31mreturn�[m value
�[35mlua/custom/plugins/neo-tree.lua�[m�[36m:�[m�[1;31mreturn�[m {
�[35mlua/custom/plugins/neorg.lua�[m�[36m:�[m�[1;31mreturn�[m {
�[35mlua/custom/plugins/neovim-tasks.lua�[m�[36m:�[m�[1;31mreturn�[m {
�[35mlua/custom/plugins/neovim-tasks.lua�[m�[36m:�[m  --          -- build_dir = tostring(Path:new('{cwd}', 'build', '{os}-{build_type}')), -- Build directory. The expressions `{cwd}`, `{os}` and `{build_type}` will be expanded with the corresponding text values. Could be a function that �[1;31mreturn�[m the path to the build directory.
�[35mlua/custom/plugins/neovim-tasks.lua�[m�[36m:�[m  --          build_dir = tostring(Path:new('{cwd}', 'build')), -- Build directory. The expressions `{cwd}`, `{os}` and `{build_type}` will be expanded with the corresponding text values. Could be a function that �[1;31mreturn�[m the path to the build directory.
�[35mlua/custom/plugins/nvim-cmp.lua�[m�[36m:�[m�[1;31mreturn�[m { -- Autocompletion
�[35mlua/custom/plugins/nvim-cmp.lua�[m�[36m:�[m          �[1;31mreturn�[m
�[35mlua/custom/plugins/nvim-cmp.lua�[m�[36m:�[m        �[1;31mreturn�[m 'make install_jsregexp'
�[35mlua/custom/plugins/nvim-cmp.lua�[m�[36m:�[m        -- menu = function() �[1;31mreturn�[m math.floor(0.45 * vim.o.columns) end,
�[35mlua/custom/plugins/nvim-cmp.lua�[m�[36m:�[m        �[1;31mreturn�[m vim_item
�[35mlua/custom/plugins/nvim-highlight-colors.lua�[m�[36m:�[m�[1;31mreturn�[m {
�[35mlua/custom/plugins/nvim-lspconfig.lua�[m�[36m:�[m�[1;31mreturn�[m { -- LSP Configuration & Plugins
�[35mlua/custom/plugins/nvim-treesitter-textobjects.lua�[m�[36m:�[m�[1;31mreturn�[m {
�[35mlua/custom/plugins/nvim-treesitter.lua�[m�[36m:�[m�[1;31mreturn�[m { -- Highlight, edit, and navigate code
�[35mlua/custom/plugins/nvim-trevj.lua�[m�[36m:�[m�[1;31mreturn�[m  { -- Opposition of join-line (J)
�[35mlua/custom/plugins/nvim-trevj.lua�[m�[36m:�[m      �[1;31mreturn�[m require('trevj').format_at_cursor()
�[35mlua/custom/plugins/nvim-ts-autotag.lua�[m�[36m:�[m�[1;31mreturn�[m { -- Auto-close tags for HTML and JSX
�[35mlua/custom/plugins/nvim-ts-context-commentstring.lua�[m�[36m:�[m�[1;31mreturn�[m {
�[35mlua/custom/plugins/overseer.lua�[m�[36m:�[m�[1;31mreturn�[m {
�[35mlua/custom/plugins/remote-nvim.lua�[m�[36m:�[m�[1;31mreturn�[m {
�[35mlua/custom/plugins/todo-comments.lua�[m�[36m:�[m�[1;31mreturn�[m { 'folke/todo-comments.nvim', event = 'VimEnter', dependencies = { 'nvim-lua/plenary.nvim' }, opts = { signs = false } }
�[35mlua/globals.lua�[m�[36m:�[m  �[1;31mreturn�[m v
�[35mlua/globals.lua�[m�[36m:�[m  �[1;31mreturn�[m require("plenary.reload").reload_module(...)
�[35mlua/globals.lua�[m�[36m:�[m  �[1;31mreturn�[m require(name)
�[35mlua/icons.lua�[m�[36m:�[m�[1;31mreturn�[m {
�[35mlua/kickstart/health.lua�[m�[36m:�[m    �[1;31mreturn�[m
�[35mlua/kickstart/health.lua�[m�[36m:�[m  �[1;31mreturn�[m true
�[35mlua/kickstart/health.lua�[m�[36m:�[m�[1;31mreturn�[m {
�[35mlua/kickstart/plugins/debug.lua�[m�[36m:�[m�[1;31mreturn�[m {
�[35mlua/kickstart/plugins/indent_line.lua�[m�[36m:�[m�[1;31mreturn�[m {

Any idea why?