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Octocat-spinner-32 janus
Octocat-spinner-32 .gitignore
Octocat-spinner-32 .gitmodules
Octocat-spinner-32 README.md
Octocat-spinner-32 Rakefile
Octocat-spinner-32 bootstrap.sh
README.md

Janus: Vim Distribution

This is a distribution of plug-ins and mappings for Vim, Gvim and MacVim.

It is designed to provide minimal working environment using the most popular plug-ins and the most common mappings.

The distribution is completely customisable using a ~/.vimrc.before and ~/.vimrc.after Vim RC files.

UPGRADING FROM BEFORE JANUARY 10th 2012 and after JANUARY 1st 2012

Please run rake twice before running macvim, make sure command-t is gone

UPGRADING FROM BEFORE JANUARY 2012

If you were using Janus before January 2012, note that Janus has gone through a rewrite to make it more stable and customizable. Most notably, you can now disable plugins using janus#disable_plugin and customize Janus using ~/.vimrc.before and ~/.vimrc.after. See the rest of this README and the Customization wiki page.

To upgrade to the latest version:

  1. remove ~/.vim, ~/.vimrc and ~/.gvimrc.
  2. move customizations from ~/.vimrc.local to ~/.vimrc.before and ~/.vimrc.after.
  3. Do the same with /.gvimrc.local.
  4. Run the installer: curl -Lo- http://bit.ly/janus-bootstrap | bash

Mailing list

The mailing list is hosted at Google Groups, please join it for discussion and announcements.

Pre-requisites

The distribution is designed to work with Vim >= 7.3.

The distribution also require ack, pep8, ctags, ruby and rake, for the most comfortable experience, use the GUI version of Vim. Linux users should install gvim, OSX users should install MacVim, the recommended way of installing MacVim is using Homebrew, but before installing MacVim you need to use system-wide Python (If you are using python that is):

  • If you're using pythonbrew: do pythonbrew off
$ brew install macvim

If you don't use Homebrew, you can still download it here.

Take a look at the Pre-requisites wiki page for more information.

Installation

To install Janus, please use our automatic installer , which backups up any Vim files found in your home folder and installs Janus.

$ curl -Lo- http://bit.ly/janus-bootstrap | bash

Customization

You can use ~/.gvimrc.before and ~/.vimrc.before for settings Janus, like the leader setting, you may also use ~/.gvimrc.after and ~/.vimrc.after for any additional settings; it is also a good place for overriding Janus settings as both files will be loaded at the end of Janus.

For example, to override the default color schemes:

$ echo 'color desert'  >> ~/.vimrc.after
$ echo 'color molokai' >> ~/.gvimrc.after

If you want to do additional customization or add more Vim plugins, create a ~/.janus directory and add your plugins there, either with a git clone or by adding submodules to your own git repository there. This directory is treated like a normal pathogen directory. For example:

$ cd ~/.janus
$ git clone https://github.com/vim-scripts/Rename2.git rename2

Or, if you have a git repository in ~/.janus, you can use a submodule:

$ cd ~/.janus
$ git submodule add https://github.com/vim-scripts/Rename2.git rename2

If you would like to disable an included plug-in, you can do that with the janus#disable_plugin() function from inside your ~/.vimrc.before, this function takes a plug-in name as an argument without the group, for example, if you would like to disable the NERDCommenter plug-in, you can do that with the command:

$ echo "call janus#disable_plugin('nerdcommenter')" >> ~/.vimrc.before

WARNING: We've noticed over and over, that people fork Janus just to customize it, this is bad practice for several reasons and you should not do that, here's why:

  • Janus is fully customisable and there's no need to change the core for using a different plugin fork or using a different mapping.
  • Forking means maintenance, maintenance means burden, do not burden yourself with maintaining a fork, that's what the ~/.janus folder is for.

if you find yourself needing a customisation that is not possible with the current setup, then please open an issue or submit a pull request to make it possible to do so without having a fork.

WARNING: Any uncommited file inside the janus folder will be removed the next time you run rake so make sure to either put them in the custom folder (~/.janus), or commit them. We clean the janus folder in case we replace a manually installed plugin (using rake tasks) with a submodule.

For more information on how to customize Janus, you might want to take a look at the Customization wiki page.

Updating to the latest version

To update to the latest version of the distribution, just run rake again inside your ~/.vim directory.

NOTE: If you even had an error updating Janus, problem related to a missing commit in a submodule, please try running rake again before submitting an issue.

Intro to VIM

Here's some tips if you've never used VIM before:

Tutorials

Modes

  • VIM has two modes:
    • insert mode- stuff you type is added to the buffer
    • normal mode- keys you hit are interpreted as commands
  • To enter insert mode, hit i
  • To exit insert mode, hit <ESC>

Useful commands

  • Use :q to exit vim
  • Certain commands are prefixed with a <Leader> key, which maps to \ by default. Use let mapleader = "," to change this. If you want this to be in effect for uses of in your .vimrc, make sure to define this in the ~/.vimrc.before
  • Keyboard cheat sheet.

Features

This Vim distribution includes a number of packages built by others.

Base Customizations

Janus ships with a number of basic customizations for vim:

  • Line numbers
  • Ruler (line and column numbers)
  • No wrap (turn off per-buffer via set :wrap)
  • Soft 2-space tabs, and default hard tabs to 2 spaces
  • Show tailing whitespace as .
  • Make searching highlighted, incremental, and case insensitive unless a capital letter is used
  • Always show a status line
  • Allow backspacing over everything (indentations, eol, and start characters) in insert mode
  • <C-P> inserts the directory of the current file into a command
  • Automatically resize splits when resizing the Vim window (GUI only)
  • <leader>ew expands to :e (directory of current file)/ (open in the current buffer)
  • <leader>es expands to :sp (directory of current file)/ (open in an horizontal split)
  • <leader>ev expands to :vsp (directory of current file)/ (open in an vertical split)
  • <leader>et expands to :tabe (directory of current file)/ (open in an new tab)
  • :w!! expands to %!sudo tee > /dev/null % Write to the current file using sudo (if you forgot to run it with sudo), it will prompt for sudo password when writing.
  • <F4> Toggles paste mode
  • <leader>fef format the entire file
  • ,. (comma followed by a dot) opens the next buffer.
  • ,m (comma followed by m) opens the previous buffer.
  • ;' (semi-column followed by a single quote) switch to next tab.
  • ;l (semi-column followed by l) switch to previous tab.
  • <leader>u Convert the entire word to uppercace.
  • <leader>l Convert the entire word to lowercase.
  • <leader>U Convert the first char of a word to uppercase.
  • <leader>L Convert the first char of a word to lowercase.
  • <leader>cd Change the path to the currently active buffer's file.
  • <leader>md Make the directory of the currently active buffer's file (for example when editing a new file for which the path does not exist.)
  • gw Swap the current word with the one next to it.
  • <leader>ul Underline the current line with =
  • <leader>tw Toggle wrap
  • <leader>fc Finds the next conflict marker (Tested with Git conflicted files).
  • Remap <Down> and <Up> to gj and gk (Wrapped text is not considered a one-long-line of text.
  • <leader>hs Toggle highlight search.
  • <leader>= Adjust viewports to the same size (<C-w>=)
  • <A-[ (<D-[ on MacVim) Shift current line or selected lines rightwards.
  • <A-] (<D-] on MacVim) Shift current line or selected lines leftwards.
  • <C-W>! Invokes kwbd plugin, it closes all open buffers in the open windows but keeps the windows open.

Ack.vim

Ack.vim uses ack to search inside the current directory for a pattern. You can learn more about it with :help Ack

Customizations: Janus rebinds command-shift-f (<D-F>) to bring up :Ack.

CtrlP

Fuzzy file, buffer, mru and tag finder. Replaces Command-T

Customizations: For users of Command-T Janus maps CtrlP to command-t (<D-t>)

NERDCommenter

NERDCommenter allows you to wrangle your code comments, regardless of filetype. View :help NERDCommenter for all the details.

Customizations: Janus binds command-/ (<D-/>) to toggle comments.

NERDTree

NERDTree is a file explorer plugin that provides "project drawer" functionality to your vim projects. You can learn more about it with :help NERDTree.

Customizations: Janus adds a number of customizations to the core NERDTree:

  • Use <Leader>n to toggle NERDTree
  • Ignore compiled ruby, python, and java files
  • When opening vim with vim /path, open the left NERDTree to that directory, set the vim pwd, and clear the right buffer
  • In general, assume that there is a single NERDTree buffer on the left and one or more editing buffers on the right

SuperTab

In insert mode, start typing something and hit <TAB> to tab-complete based on the current context.

Syntastic

Syntastic is a syntax checking plugin that runs buffers through external syntax checkers as they are saved and opened. If syntax errors are detected, the user is notified and is happy because they didn't have to compile their code or execute their script to find them.

Tagbar

Tagbar is a vim plugin for browsing the tags of source code files.

Customizations: Janus binds <Leader>rt to toggle Tagbar.

EasyMotion

EasyMotion provides a much simpler way to use some motions in vim. It takes the out of w or f{char} by highlighting all possible choices and allowing you to press one key to jump directly to the target.

When one of the available motions is triggered, all visible text preceding or following the cursor is faded, and motion targets are highlighted.

EasyMotion is triggered by one of the provided mappings.

check EasyMotion's home page for more information.

NrrwRgn

Narrowing means focussing on a region and making the rest inaccessible. You simply select the region, call :NarrowRegion and the selected part will open in a new scratch buffer. The rest of the file will be protected, so you won't accidentally modify that buffer. In the new buffer, you can do a global replace, search or anything else to modify that part. When you are finished, simply write that buffer (e.g. by |:w|) and your modifications will be put in the original buffer making it accessible again.

Git Support (Fugitive)

Fugitive adds pervasive git support to git directories in vim. For more information, use :help fugitive

Use :Gstatus to view git status and type - on any file to stage or unstage it. Type p on a file to enter git add -p and stage specific hunks in the file.

Use :Gdiff on an open file to see what changes have been made to that file

customizations:

  • <leader>gb maps to :Gblame<CR>
  • <leader>gs maps to :Gstatus<CR>
  • <leader>gd maps to :Gdiff<CR>
  • <leader>gl maps to :Glog<CR>
  • <leader>gc maps to :Gcommit<CR>
  • <leager>gp maps to :Git push<CR>

ZoomWin

When working with split windows, ZoomWin lets you zoom into a window and out again using Ctrl-W o

Customizations: Janus binds <leader>zw to :ZoomWin

BufferGator

Buffergator is a plugin for listing, navigating between, and selecting buffers to edit. Upon invocation (using the command, :BuffergatorOpen or BuffergatorToggle, or the provided key mapping, <Leader>b), a catalog of listed buffers are displayed in a separate new window split (vertical or horizontal, based on user options; default = vertical). From this "buffer catalog", a buffer can be selected and opened in an existing window, a new window split (vertical or horizontal), or a new tab page.

Selected buffers can be "previewed", i.e. opened in a window or tab page, but with focus remaining in the buffer catalog. Even better, you can "walk" up and down the list of buffers shown in the catalog by using <C-N> (or <SPACE>) / <C-P> (or <C-SPACE>). These keys select the next/previous buffer in succession, respectively, opening it for preview without leaving the buffer catalog viewer.

Additional Syntaxes

Janus ships with a few additional syntaxes:

  • Markdown (bound to *.markdown, *.md, and *.mk)
  • Mustache (bound to *.mustache)
  • Haml (bound to *.haml)
  • Sass (bound to *.sass)
  • SCSS (bound to *.scss)
  • An improved JavaScript syntax (bound to *.js)
  • Javascript for any file having nodejs in the shebang.
  • Map Gemfile, Rakefile, Vagrantfile, Procfile, Thorfile, config.ru and *.rake to Ruby.
  • Git commits (set your EDITOR to vim -f or mvim -f on OSX) $ echo "export EDITOR='vim -f'" >> ~/.bashrc, you can also use Git global config to set this if you have EDITOR set to something else $ git config --global core.editor 'vim -f'

Rakefile

If you're looking for the old janus distribution controlled by a Rakefile then please head over to the rakefile branch but please note that the rakefile branch will not be maintained.

License

This code is free to use under the terms of the MIT license.

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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