351 lines
11 KiB
Markdown
351 lines
11 KiB
Markdown
# lualine.nvim
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A blazing fast and easy to configure neovim statusline written in pure lua.
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`lualine.nvim` requires neovim 0.5
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## Contributing
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Please read [CONTRIBUTING.md](./CONTRIBUTING.md) before contributing.
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You can check [this](https://github.com/hoob3rt/lualine.nvim/projects/3) out if you want to see what is currently being worked on.
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Feel free to create an issue/pr if you want to see anything else implemented.
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## Screenshots
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Here is a preview of how lualine can look like.
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Screenshots of all available themes are listed in [THEMES.md](./THEMES.md)
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## Performance compared to other plugins
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Unlike other statusline plugins lualine loads only defined components, nothing else.
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Startup time performance measured with an amazing plugin [tweekmonster/startuptime.vim](https://github.com/tweekmonster/startuptime.vim)
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All times are measured with only `startuptime.vim` and given statusline plugin installed
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| clean vimrc | lualine | lightline | airline |
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| :------------: | :----------: | :----------: | :----------: |
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| 8.943 ms | 9.034 ms | 11.463 ms | 13.425 ms |
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## Installation
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### [vim-plug](https://github.com/junegunn/vim-plug)
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```vim
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Plug 'hoob3rt/lualine.nvim'
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" If you want to have icons in your statusline choose one of these
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Plug 'kyazdani42/nvim-web-devicons'
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Plug 'ryanoasis/vim-devicons'
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```
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### [packer.nvim](https://github.com/wbthomason/packer.nvim)
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```lua
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use {
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'hoob3rt/lualine.nvim',
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requires = {'kyazdani42/nvim-web-devicons', opt = true}
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}
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```
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## Usage and customization
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Lualine has sections as shown below.
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```
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+-------------------------------------------------+
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| A | B | C X | Y | Z |
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+-------------------------------------------------+
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```
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Each sections holds it's components e.g. current vim's mode.
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Colorscheme of sections is mirrored, meaning section `A` will have the same colorscheme as section `Z` etc.
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Configuration is currently limited to lua, please use lua block or a separate lua file to configure lualine.
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### Starting lualine
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```lua
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local lualine = require('lualine')
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lualine.status()
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```
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### Setting a theme
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```lua
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lualine.options.theme = 'gruvbox'
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```
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All available themes are listed in [THEMES.md](./THEMES.md)
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Please create a pr if you managed to port a popular theme before me, [here is how to do it](./CONTRIBUTING.md).
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### Changing separator in section
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Lualine defines two kinds of seperators. One is for sections and other is for components. Default section seperators are '', '' and component separators are '', ''.
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They require powerline patched fonts. But you can easily change yours to something else like below
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```lua
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lualine.options.section_separators = {'', ''}
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lualine.options.component_separators = {'', ''}
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```
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or disable it
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```lua
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lualine.options.section_separators = nil
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lualine.options.component_separators = nil
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```
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### Changing components in lualine sections
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<details>
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<summary><b>Lualine defaults</b></summary>
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```lua
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lualine.sections = {
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lualine_a = { 'mode' },
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lualine_b = { 'branch' },
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lualine_c = { 'filename' },
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lualine_x = { 'encoding', 'fileformat', 'filetype' },
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lualine_y = { 'progress' },
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lualine_z = { 'location' },
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}
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lualine.inactive_sections = {
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lualine_a = { },
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lualine_b = { },
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lualine_c = { 'filename' },
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lualine_x = { 'location' },
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lualine_y = { },
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lualine_z = { }
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}
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```
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</details>
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<details>
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<summary><b>Available components</b></summary>
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* general
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* branch
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* encoding
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* fileformat
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* filename
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* filetype
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* location
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* mode
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* progress
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* plugin
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* signify
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</details>
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<details>
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<summary><b>Using custom functions as lualine component</b></summary>
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You can define a custom function as a lualine component
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```lua
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local function hello()
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return [[hello world]]
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end
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lualine.sections.lualine_a = { hello }
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```
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</details>
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<details>
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<summary><b>Using vim functions as lualine component</b></summary>
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You can use vim functions as a lualine component
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```
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lualine.sections.lualine_b = { 'FugitiveHead' }
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```
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</details>
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<details>
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<summary><b>Using variables as lualine component</b></summary>
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You can use variables from vim and lua globals as a lualine component
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Variables from g:, v:, t:, w:, b:, o, go:, vo:, to:, wo:, bo: scopes
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can be used. Scopes ending with o are options usualy accessed with `&` in vimscript
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```
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lualine.sections.lualine_b = { 'g:coc_status', 'bo:filetype' }
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```
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</details>
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<details>
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<summary><b>Options for components</b></summary>
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### Available options:
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#### Global options
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Global options chnge behaviour of all suported components.
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All of these options can also be specifically set to all supported components, full example below.
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##### Available global options
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Option | Default | Behaviour | Supported components
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:------: | :------: | :----------: | :-----:
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icons_enabled | true | Displays icons on components You should have powerline supported fonts to see icons properly. | branch, fileformat, filetype, location
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padding | 1 | Adds padding to the left and right of components | all
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left_padding | 1 | Adds padding to the left of components | all
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right_padding | 1 | Adds padding to the right of components | all
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upper | false | Changes components to be uppercase | all
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lower | false | Changes components to be lowercase | all
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format | nil | Takes a function . The funtion gets the result of component as argument and it's return value is displayed. So this function can parse and format the output as user wants. | all
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##### Global options example:
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```lua
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lualine.options.icons_enabled = true
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```
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#### Component specific options
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As mentioned above, all global options can be applied to specific components.
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However there are some options which are component-only (you cannot set them as globals)
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Option | Default | Behaviour
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:------: | :------: | :----:
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icon | Differs for each component | Displays an icon in front of the component
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color | nil | Sets custom color for the component in this format<br></br>`color = {fg = '#rrggbb', bg= '#rrggbb', gui='style'}`<br></br>The fields of color table are optional and default to theme
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In addition, some components have unique options.
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* `filename` component options
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Option | Default | Behaviour
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:------: | :------: | :----:
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file_status | true | Displays file status (readonly status, modified status)
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full_path | false | Displays relative path if set to `true`, absolute path if set to `false`
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shorten | true | if `full_path` is true and `shorten` is `false` it shortens absolute path `aaa/bbb/ccc/file` to `a/b/c/file`
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* `signify` component options
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Option | Default | Behaviour
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:------: | :------: | :----:
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colored | true | displays signify status in color if set to `true`
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color_added | `diffAdd` foreground color | changes signify's added section foreground color
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color_modified | `diffChange` foreground color | changes signify's changed section foreground color
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color_removed | `diffDelete` foreground color | changes signify's removed section foreground color
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**Example:**
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```lua
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lualine.sections.lualine_b = {
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{
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'branch',
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icon = '',
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upper = true,
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color = { fg = '#00aa22' }
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},
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{
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'filename',
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full_name = true,
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shorten = true,
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format = function(name)
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-- Capitalize first charecter of filename to capital.
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local path, fname = name:match('(.*/)(.*)')
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if not path then path = ''; fname = name end
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return path .. fname:sub(1, 1):upper() .. fname:sub(2, #fname)
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end
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}
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}
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```
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</details>
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### Loading plugin extensions
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Lualine extensions change statusline appearance for a window/buffer with a plugin loaded e.g. [junegunn/fzf.vim](https://github.com/junegunn/fzf.vim)
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By default no plugin extension are loaded to improve performance. If you are using a plugin which is supported you can load it this way:
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```lua
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lualine.extensions = { 'fzf' }
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```
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All available extensions are listed in [EXTENSIONS.md](./EXTENSIONS.md)
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### Full config example using [packer.nvim](https://github.com/wbthomason/packer.nvim)
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<details>
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<summary><b>packer config</b></summary>
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```lua
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use {
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'hoob3rt/lualine.nvim',
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requires = {'kyazdani42/nvim-web-devicons', opt = true},
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config = function()
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local lualine = require('lualine')
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lualine.options = {
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theme = 'gruvbox',
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section_separators = {'', ''},
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component_separators = {'', ''},
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icons_enabled = true,
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}
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lualine.sections = {
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lualine_a = { 'mode' },
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lualine_b = { 'branch' },
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lualine_c = { 'filename' },
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lualine_x = { 'encoding', 'fileformat', 'filetype' },
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lualine_y = { 'progress' },
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lualine_z = { 'location' },
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}
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lualine.inactive_sections = {
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lualine_a = { },
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lualine_b = { },
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lualine_c = { 'filename' },
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lualine_x = { 'location' },
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lualine_y = { },
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lualine_z = { }
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}
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lualine.extensions = { 'fzf' }
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lualine.status()
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end
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}
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```
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</details>
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### Full config example inside `.vimrc`/`init.vim`
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<details>
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<summary><b>vimrc config</b></summary>
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```vim
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lua << EOF
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local lualine = require('lualine')
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lualine.options = {
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theme = 'gruvbox',
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section_separators = {'', ''},
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component_separators = {'', ''},
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icons_enabled = true,
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}
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lualine.sections = {
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lualine_a = { 'mode' },
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lualine_b = { 'branch' },
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lualine_c = { 'filename' },
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lualine_x = { 'encoding', 'fileformat', 'filetype' },
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lualine_y = { 'progress' },
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lualine_z = { 'location' },
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}
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lualine.inactive_sections = {
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lualine_a = { },
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lualine_b = { },
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lualine_c = { 'filename' },
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lualine_x = { 'location' },
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lualine_y = { },
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lualine_z = { }
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}
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lualine.extensions = { 'fzf' }
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lualine.status()
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EOF
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```
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</details>
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