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Lua implementation of direnv.vim for automatic .envrc handling & syntax.

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direnv.nvim

Dead simple Neovim plugin to add automatic Direnv environment loading, inspired by direnv.vim and written in Lua for better performance and maintainability.

✨ Features

  • Seamless integration with Direnv for managing project environment variables
    • Automatic detection of .envrc files in your workspace
    • Proper handling of allowed, pending, and denied states
    • Keybinds for various Direnv commands
  • Built-in .envrc editor with file creation wizard
  • Statusline component showing real-time direnv status
  • Event hooks for integration with other plugins
  • Comprehensive API for extending functionality

πŸ““ TODO

direnv.nvim is generally feature complete. There are no major planned features, and it should be considered stable for the most part. What direnv.nvim cannot do yet is syntax highlighting similar to direnv.vim but this is planned to be remedied through either using Treesitter, or by porting direnv.vim's syntax.vim.'

Feature requests are welcome. Please create an issue to describe the feature that you would like to see.

πŸ“¦ Installation

Install direnv.nvim with your favorite plugin manager, or clone it manually. You will need to call the setup function to load the plugin.

Prerequisites

  • Neovim 0.8.0 or higher
  • Direnv v2.33.0 or later installed and available in your PATH

Using lazy.nvim

{
  "NotAShelf/direnv.nvim",
  config = function()
    require("direnv").setup({})
  end,
}

πŸš€ Usage

direnv.nvim will manage your .envrc files in Neovim by providing commands to allow, deny, reload and edit them. When auto-loading is enabled, the plugin will automatically detect and prompt for allowing .envrc files in your current directory.

Commands

  • :Direnv allow - Allow the current directory's .envrc file
  • :Direnv deny - Deny the current directory's .envrc file
  • :Direnv reload - Reload direnv for the current directory
  • :Direnv edit - Edit the .envrc file (creates one if it doesn't exist)
  • :Direnv status - Show the current direnv status

Configuration

You can pass your config table into the setup() function or opts if you use lazy.nvim.

Options

require("direnv").setup({
  -- Path to the direnv executable
  bin = "direnv",

  -- Whether to automatically load direnv when entering a directory with .envrc
  autoload_direnv = false,

  -- Statusline integration
  statusline = {
    -- Enable statusline component
    enabled = false,
    -- Icon to display in statusline
    icon = "󱚟",
  },

  -- Keyboard mappings
  keybindings = {
    allow = "<Leader>da",
    deny = "<Leader>dd",
    reload = "<Leader>dr",
    edit = "<Leader>de",
  },

  -- Notification settings
  notifications = {
    -- Log level (vim.log.levels.INFO, ERROR, etc.)
    level = vim.log.levels.INFO,
    -- Don't show notifications during autoload
    silent_autoload = true,
  },
})

Statusline Integration

You can add direnv status to your statusline by using the provided function:

-- For lualine
require('lualine').setup({
  sections = {
    lualine_x = {
      function()
        return require('direnv').statusline()
      end,
      'encoding',
      'fileformat',
      'filetype',
    }
  }
})

-- For a Neovim-native statusline without plugins
vim.o.statusline = '%{%v:lua.require("direnv").statusline()%} ...'

The statusline function will show:

  • Nothing when disabled or no .envrc is found
  • "active" when the .envrc is allowed
  • "pending" when the .envrc needs approval
  • "blocked" when the .envrc is explicitly denied

πŸ” API Reference

Public Functions

  • direnv.setup(config) - Initialize the plugin with optional configuration
  • direnv.allow_direnv() - Allow the current directory's .envrc file
  • direnv.deny_direnv() - Deny the current directory's .envrc file
  • direnv.check_direnv() - Check and reload direnv for the current directory
  • direnv.edit_envrc() - Edit the .envrc file
  • direnv.statusline() - Get a string for statusline integration

Example

local direnv = require("direnv")

direnv.setup({
  autoload_direnv = true,
  statusline = {
    enabled = true,
  },
  keybindings = {
    allow = "<Leader>ea", -- Custom keybinding example
  },
})

-- You can also call functions directly
vim.keymap.set('n', '<Leader>er', function()
  direnv.check_direnv()
end, { desc = "Reload direnv" })

Events

The plugin triggers a User autocmd event that you can hook into:

vim.api.nvim_create_autocmd("User", {
  pattern = "DirenvLoaded",
  callback = function()
    -- Code to run after direnv environment is loaded
    print("Direnv environment loaded!")
  end,
})

πŸ«‚ Special Thanks

I extend my thanks to the awesome Lychee, mrshmllow and diniamo for their invaluable assistance in the creation of this plugin. I would also like to thank direnv.vim maintainers for their initial work.

πŸ“œ License

direnv.nvim is made available under Mozilla Public License (MPL) version 2.0. See LICENSE for more details on the exact conditions. An online copy is provided here.

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