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 (under 200 lines), written with extensibility in mind (specifically adhering to the [open/closed principle][h]).
* integrates with a variety of plugins, including: [vim-bufferline][f], [fugitive][d], [unite][i], [ctrlp][j], [minibufexpl][o], [gundo][p], [undotree][q], [nerdtree][r], [tagbar][s], [syntastic][e] and [lawrencium][u].
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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.
* trivial to write colorschemes; over 10 themes have been contributed.
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* supports 7.2 as the minimum Vim version
# Rationale
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There's already [powerline][b], why yet another statusline?
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* 100% vimscript; no python needed.
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What about [vim-powerline][a]?
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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][k]
* `git clone https://github.com/bling/vim-airline ~/.vim/bundle/vim-airline`
* [NeoBundle][l]
* `NeoBundle 'bling/vim-airline'`
* [Vundle][m]
* `Bundle 'bling/vim-airline'`
* [VAM][v]
* `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
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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][t]. Prepatched fonts can be found in the [powerline-fonts][c] 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](https://github.com/bling/vim-airline/wiki/FAQ).
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# Themes/Screenshots
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A full list of screenshots can be found in the [Wiki][n].
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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][g] 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][n].
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# License
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MIT license. Copyright (c) 2013 Bailey Ling.
[a]: https://github.com/Lokaltog/vim-powerline
[b]: https://github.com/Lokaltog/powerline
[c]: https://github.com/Lokaltog/powerline-fonts
[d]: https://github.com/tpope/vim-fugitive
[e]: https://github.com/scrooloose/syntastic
[f]: https://github.com/bling/vim-bufferline
[g]: https://github.com/bling/minivimrc
[h]: http://en.wikipedia.org/wiki/Open/closed_principle
[i]: https://github.com/Shougo/unite.vim
[j]: https://github.com/kien/ctrlp.vim
[k]: https://github.com/tpope/vim-pathogen
[l]: https://github.com/Shougo/neobundle.vim
[m]: https://github.com/gmarik/vundle
[n]: https://github.com/bling/vim-airline/wiki/Screenshots
[o]: https://github.com/techlivezheng/vim-plugin-minibufexpl
[p]: https://github.com/sjl/gundo.vim
[q]: https://github.com/mbbill/undotree
[r]: https://github.com/scrooloose/nerdtree
[s]: https://github.com/majutsushi/tagbar
[t]: https://powerline.readthedocs.org/en/latest/fontpatching.html
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[u]: https://bitbucket.org/ludovicchabant/vim-lawrencium
[v]: https://github.com/MarcWeber/vim-addon-manager