Extremely simple Vim interface for Git

[Teemu Likonen <tlikonen@xxxxxx>]

Here's a very simple idea for using Git from Vim editor. Add these lines 
to your ~/.vimrc file:


    command! -complete=file -nargs=* Git   call s:RunShellCommand('git '.<q-args>)
    command! -complete=file -nargs=* Svn   call s:RunShellCommand('svn '.<q-args>)
    command! -complete=file -nargs=+ Shell call s:RunShellCommand(<q-args>)

    let $EDITOR = '/usr/bin/gvim --nofork'

    function! s:RunShellCommand(cmdline)
        botright new
        setlocal buftype=nofile bufhidden=wipe nobuflisted noswapfile
        setlocal nowrap
        call setline(1,a:cmdline)
        call setline(2,substitute(a:cmdline,'.','=','g'))
        execute 'silent 2read !'.escape(a:cmdline,'()%#')
        setlocal nomodifiable
        1
    endfunction


Now, command :Git works just like "git" from shell except that the 
output is displayed in a Vim scratch buffer/window. The buffer will be 
wiped out from memory when the window is closed. Filename completion and 
piping works. Examples:

    :Git diff --cached
    :Git help merge
    :Git branch | column

(I am aware that there are VCS plugins for Vim. I happen like this 
approach better because it works just like the command line Git which 
I'm familiar with.)

As a "side effect" this also adds similar :Svn command as well as :Shell 
command which can be used to run any shell command and have its output 
displayed in a Vim window. Using the first two letters of :Shell is 
enough in my system because I don't have other custom commands which 
start with letters "Sh".

    :Sh ls -l

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