vim-airline/README.md

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# vim-airline
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Lean & mean statusline for vim that's light as air.
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![img](https://github.com/bling/vim-airline/wiki/screenshots/demo.gif)
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# Features
* tiny core written with extensibility in mind ([open/closed principle][8]).
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* integrates with a variety of plugins, including: [vim-bufferline][6], [fugitive][4], [unite][9], [ctrlp][10], [minibufexpl][15], [gundo][16], [undotree][17], [nerdtree][18], [tagbar][19], [vim-gitgutter][29], [vim-signify][30], [syntastic][5] and [lawrencium][21].
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* looks good with regular fonts and provides configuration points so you can use unicode or powerline symbols.
* optimized for speed; it loads in under a millisecond.
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* fully customizable; if you know a little `statusline` syntax you can tweak it to your needs.
* extensive suite of themes for popular colorschemes including [solarized][23] (dark and light), [tomorrow][24] (all variants), [molokai][25], [jellybeans][26] and others; have a look at the [screenshots][14] in the wiki.
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* supports 7.2 as the minimum Vim version
# Extensions/Integration
### [ctrlp.vim][10]
![image](https://f.cloud.github.com/assets/306502/962258/7345a224-04ec-11e3-8b5a-f11724a47437.png)
### [unite.vim][9]
![image](https://f.cloud.github.com/assets/306502/962319/4d7d3a7e-04ed-11e3-9d59-ab29cb310ff8.png)
### [tagbar][19]
![image](https://f.cloud.github.com/assets/306502/962150/7e7bfae6-04ea-11e3-9e28-32af206aed80.png)
### [csv.vim][28]
![image](https://f.cloud.github.com/assets/306502/962204/cfc1210a-04eb-11e3-8a93-42e6bcd21efa.png)
### [syntastic][5]
![image](https://f.cloud.github.com/assets/306502/962864/9824c484-04f7-11e3-9928-da94f8c7da5a.png)
### whitespace
![image](https://f.cloud.github.com/assets/306502/962401/2a75385e-04ef-11e3-935c-e3b9f0e954cc.png)
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### hunks ([vim-gitgutter][29]/[vim-signify][30])
![image](https://f.cloud.github.com/assets/306502/995185/73fc7054-09b9-11e3-9d45-618406c6ed98.png)
# Rationale
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There's already [powerline][2], why yet another statusline?
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* 100% vimscript; no python needed.
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What about [vim-powerline][1]?
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* the author has been active developing powerline, which was rewritten in python and expands its capabilities to tools outside of Vim, such as bash, zsh, and tmux.
* vim-powerline has been deprecated as a result, and no features will be added to it.
* vim-powerline uses different font codes, so if you want to use it with a powerline themed tmux (for example), it will not work.
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# Where did the name come from?
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I wrote the initial version on an airplane, and since it's light as air it turned out to be a good name. Thanks for flying vim!
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# Installation
This plugin follows the standard runtime path structure, and as such it can be installed with a variety of plugin managers:
* [Pathogen][11]
* `git clone https://github.com/bling/vim-airline ~/.vim/bundle/vim-airline`
* [NeoBundle][12]
* `NeoBundle 'bling/vim-airline'`
* [Vundle][13]
* `Bundle 'bling/vim-airline'`
* [VAM][22]
* `call vam#ActivateAddons([ 'vim-airline' ])`
* manual
* copy all of the files into your `~/.vim` directory
# Configuration
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`:help airline`
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# Integrating with powerline fonts
For the nice looking powerline symbols to appear, you will need to install a patched font. Instructions can be found in the official powerline [documentation][20]. Prepatched fonts can be found in the [powerline-fonts][3] repository.
Finally, enable them in vim-airline by adding `let g:airline_powerline_fonts = 1` to your vimrc.
# FAQ
Solutions to common problems can be found in the [Wiki][27].
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# Themes/Screenshots
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A full list of screenshots can be found in the [Wiki][14].
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# Bugs
Tracking down bugs can take a very long time due to different configurations, versions, and operating systems. To ensure a timely response, please help me out by doing the following:
* reproduce it with this [minivimrc][7] repository to rule out any configuration conflicts.
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* a link to your vimrc or a gist which shows how you configured the plugin(s).
* and so I can reproduce; your `:version` of vim, and the commit of vim-airline you're using.
# Contributions
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Contributions and pull requests are welcome. Please take note of the following guidelines:
* adhere to the existing style as much as possible; notably, 2 space indents and long-form keywords.
* keep the history clean! squash your branches before you submit a pull request. `pull --rebase` is your friend.
* any changes to the core should be tested against Vim 7.2.
* if you submit a theme, please create a screenshot so it can be added to the [Wiki][14].
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# License
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MIT license. Copyright (c) 2013 Bailey Ling.
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[![Bitdeli Badge](https://d2weczhvl823v0.cloudfront.net/bling/vim-airline/trend.png)](https://bitdeli.com/free "Bitdeli Badge")
[1]: https://github.com/Lokaltog/vim-powerline
[2]: https://github.com/Lokaltog/powerline
[3]: https://github.com/Lokaltog/powerline-fonts
[4]: https://github.com/tpope/vim-fugitive
[5]: https://github.com/scrooloose/syntastic
[6]: https://github.com/bling/vim-bufferline
[7]: https://github.com/bling/minivimrc
[8]: http://en.wikipedia.org/wiki/Open/closed_principle
[9]: https://github.com/Shougo/unite.vim
[10]: https://github.com/kien/ctrlp.vim
[11]: https://github.com/tpope/vim-pathogen
[12]: https://github.com/Shougo/neobundle.vim
[13]: https://github.com/gmarik/vundle
[14]: https://github.com/bling/vim-airline/wiki/Screenshots
[15]: https://github.com/techlivezheng/vim-plugin-minibufexpl
[16]: https://github.com/sjl/gundo.vim
[17]: https://github.com/mbbill/undotree
[18]: https://github.com/scrooloose/nerdtree
[19]: https://github.com/majutsushi/tagbar
[20]: https://powerline.readthedocs.org/en/latest/fontpatching.html
[21]: https://bitbucket.org/ludovicchabant/vim-lawrencium
[22]: https://github.com/MarcWeber/vim-addon-manager
[23]: https://github.com/altercation/solarized
[24]: https://github.com/chriskempson/tomorrow-theme
[25]: https://github.com/tomasr/molokai
[26]: https://github.com/nanotech/jellybeans.vim
[27]: https://github.com/bling/vim-airline/wiki/FAQ
[28]: https://github.com/chrisbra/csv.vim
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[29]: https://github.com/airblade/vim-gitgutter
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[30]: https://github.com/mhinz/vim-signify