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telescope-ros.nvim

ROS(2) package selector for telescope.nvim using colcon.

Previe image

The picker lets you select a ros package from your workspace and then subsequently starts a find_file operation in that package, somewhat similar to how colcon edit and rosed are used.

Installation

Install the plugin and requirements

Using lazy.nvim

{ 
    "nvim-telescope/telescope.nvim",

    dependencies = {
        "nvim-lua/plenary.nvim",
        "bi0ha2ard/telescope-ros.nvim"
    }
}

Using vim-plug

" Telescope requirements
Plug 'nvim-lua/plenary.nvim'
" Telescope
Plug 'nvim-telescope/telescope.nvim'
" This plugin
Plug 'bi0ha2ard/telescope-ros.nvim'

Telescope setup

After the telescope setup, load the plugin with

lua require('telescope').load_extension('ros')

The path to the colcon executable can be configured:

require('telescope').setup{
    extensions = {
        ros = {
            colcon = "colcon" -- Must be in $PATH
            -- colcon = vim.loop.os_homedir() .. "/venvs/colcon/bin/colcon", -- or run directly from a venv
        }
    }
}

The default is colcon. cols can be used as a drop-in replacement for faster package discovery.

The :checkhealth command can be used to check whether the executable is found.

At least colcon-ros and colcon-package-information must be installed to populate the package list.

Usage

Telescope integrates the extension into the :Telescope command, and you can start the picker with

:Telescope ros packages

which will show the packages from nvim's cwd.

You can also run the picker directly from lua:

:lua require'telescope'.extensions.ros.packages{}

If you want to overwrite the directory in which colcon looks for packages, you can overwrite the cwd:

" Directly specify a path
nnoremap <silent> <leader>dr :lua require'telescope'.extensions.ros.packages{cwd="<path to your WS root"}

" Or from an environment variable that you set previously
:lua require'telescope'.extensions.ros.packages{cwd=os.getenv("ROS_WORKSPACE") or "."}

Convenience pickers

These require a recent Neovim build with vim.fs or the neovim/nvim-lspconfig plugin for root pattern detection.

  • files runs a find_files in the package root of the file in the current buffer
  • grep_string runs a grep_string in the package root of the file in the current buffer
  • live_grep runs a live_grep in the package root of the file in the current buffer

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ROS extension for Telescope

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