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vim-gitgutter/doc/gitgutter.txt
Andy Stewart ae81dccb67 Add configuration option to disable key maps.
And add a little documentation.
2014-01-13 11:01:14 +01:00

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*gitgutter.txt* A Vim plugin which shows a git diff in the gutter.
Vim Git Gutter
Author: Andy Stewart <http://airbladesoftware.com/>
Plugin Homepage: <https://github.com/airblade/vim-gitgutter>
===============================================================================
CONTENTS *GitGutterContents*
1. Introduction ................. |GitGutterIntroduction|
2. Installation ................. |GitGutterInstallation|
3. Usage ........................ |GitGutterUsage|
4. Commands ..................... |GitGutterCommands|
5. FAQ .......................... |GitGutterFAQ|
===============================================================================
1. INTRODUCTION *GitGutterIntroduction*
*GitGutter*
Vim Git Gutter is a Vim plugin which shows a git diff in the 'gutter' (sign
column). It shows whether each line has been added, modified, and where lines
have been removed.
This is a port of the Git Gutter plugin for Sublime Text 2.
===============================================================================
2. INSTALLATION *GitGutterInstallation*
If you don't have a preferred installation method, I recommend installing
pathogen.vim, and then simply copy and paste:
>
cd ~/.vim/bundle
git clone git://github.com/airblade/vim-gitgutter.git
<
Or for Vundle users:
Add Bundle 'airblade/vim-gitgutter' to your |vimrc| and then:
- either within Vim: :BundleInstall
- or in your shell: vim +BundleInstall +qall
===============================================================================
3. USAGE *GitGutterUsage*
You don't have to do anything: it just works.
===============================================================================
4. COMMANDS *GitGutterCommands*
Commands for turning Git Gutter on and off:
:GitGutterDisable *:GitGutterDisable*
Explicitly turn Git Gutter off.
:GitGutterEnable *:GitGutterEnable*
Explicitly turn Git Gutter on.
:GitGutterToggle *:GitGutterToggle*
Explicitly turn Git Gutter on if it was off and vice versa.
:GitGutter *:GitGutter*
Update signs for the current buffer.
:GitGutterAll *:GitGutterAll*
Update signs across all buffers.
Commands for turning line highlighting on and off (defaults to off):
:GitGutterLineHighlightsEnable *:GitGutterLineHighlightsEnable*
Explicitly turn line highlighting on.
:GitGutterLineHighlightsDisable *:GitGutterLineHighlightsDisable*
Explicitly turn line highlighting off.
:GitGutterLineHighlightsToggle *:GitGutterLineHighlightsToggle*
Explicitly turn line highlighting on if it was off and vice versa.
Commands for jumping between marked hunks:
:GitGutterNextHunk *:GitGutterNextHunk*
Jump to the next marked hunk. Takes a count.
:GitGutterPrevHunk *:GitGutterPrevHunk*
Jump to the previous marked hunk. Takes a count.
Commands for staging or reverting individual hunks:
:GitGutterStageHunk *:GitGutterStageHunk*
Stage the hunk the cursor is in.
:GitGutterRevertHunk *:GitGutterRevertHunk*
Revert the hunk the cursor is in.
===============================================================================
5. CUSTOMISATION *GitGutterCustomisation*
You can customise:
- The sign column's colours
- The signs' colours and symbols
- Line highlights
- Extra arguments for git-diff
- Key mappings
- Whether or not to escape grep (defaults to no)
- Whether or not vim-gitgutter is on initially (defaults to on)
- Whether or not signs are shown (defaults to yes)
- Whether or not line highlighting is on initially (defaults to off)
- Whether or not vim-gitgutter runs in realtime (defaults to yes)
- Whether or not vim-gitgutter runs eagerly (defaults to yes)
Please note that vim-gitgutter won't override any colours or highlights you've
set in your colorscheme.
SIGN COLUMN
The background colour of the sign column is controlled by the |hlSignColumn|
highlight group. This will be either set in your colorscheme or Vim's default.
To find out where it's set, and to what it's set, use:
>
:verbose highlight SignColumn
<
If your `SignColumn` is not set, i.e if
>
:highlight SignColumn " gives you `SignColumn xxx cleared`
<
vim-gitgutter will set it to the same as your line number column (i.e. the
|hl-LineNr| highlight group).
To change your sign column's appearance, update your colorscheme or |vimrc|
like this:
Desired appearance Command ~
Same as line number column highlight clear SignColumn
User-defined (terminal Vim) highlight SignColumn ctermbg={whatever}
User-defined (graphical Vim) highlight SignColumn guibg={whatever}
SIGNS' COLOURS AND SYMBOLS
To customise the colours, set up the following highlight groups in your
colorscheme or |vimrc|:
>
GitGutterAdd " an added line
GitGutterChange " a changed line
GitGutterDelete " at least one removed line
GitGutterChangeDelete " a changed line followed by at least one removed line
<
You can either set these with `highlight GitGutterAdd {key}={arg}...` or link
them to existing highlight groups with, say:
>
highlight link GitGutterAdd DiffAdd
<
To customise the symbols, add the following to your |vimrc|:
>
let g:gitgutter_sign_added = 'xx'
let g:gitgutter_sign_modified = 'yy'
let g:gitgutter_sign_removed = 'zz'
let g:gitgutter_sign_modified_removed = 'ww'
<
SIGNS
To never show signs, use this:
>
let g:gitgutter_signs = 0
<
LINE HIGHLIGHTS
Similarly to the signs' colours, set up the following highlight groups in your
colorscheme or |vimrc|:
>
GitGutterAddLine " default: links to DiffAdd
GitGutterChangeLine " default: links to DiffChange
GitGutterDeleteLine " default: links to DiffDelete
GitGutterChangeDeleteLine " default: links to GitGutterChangeLineDefault
<
EXTRA ARGUMENTS FOR GIT-DIFF
To pass extra arguments to git-diff, add this to your |vimrc|:
>
let g:gitgutter_diff_args = '-w'
<
KEY MAPPINGS
To disable all key maps:
>
let g:gitgutter_map_keys = 0
<
To change the hunk-jumping maps:
>
nmap [h <Plug>GitGutterPrevHunk
nmap ]h <Plug>GitGutterNextHunk
<
To change the hunk-staging/reverting maps:
>
nmap <Leader>hs <Plug>GitGutterStageHunk
nmap <Leader>hr <Plug>GitGutterRevertHunk
<
TO ESCAPE GREP
To avoid any alias you have for grep, use this:
>
let g:gitgutter_escape_grep = 1
<
TO TURN OFF VIM-GITGUTTER BY DEFAULT
Add to your |vimrc|
>
let g:gitgutter_enabled = 0
<
TO TURN ON LINE HIGHLIGHTING BY DEFAULT
Add to your |vimrc|
>
let g:gitgutter_highlight_lines = 1
<
TO STOP VIM-GITGUTTER RUNNING IN REALTIME
Add to your |vimrc|
>
let g:gitgutter_realtime = 0
<
TO STOP VIM-GITGUTTER RUNNING EAGERLY
Add to your |vimrc|
>
let g:gitgutter_eager = 0
<
===============================================================================
6. FAQ *GitGutterFAQ*
a. Why are the colours in the sign column weird?
Your colorscheme is configuring the |hl-SignColumn| highlight group weirdly.
Please see |GitGutterCustomisation| on customising the sign column.
b. Why is no sign shown if I delete the first line(s) in a file?
vim-gitgutter shows removed lines with a sign on the line above. In this
case there isn't a line above so vim-gitgutter can't show the sign.
c. What happens if I also use another plugin which uses signs (e.g. Syntastic)?
Vim only allows one sign per line. Before adding a sign to a line,
vim-gitgutter checks whether a sign has already been added by somebody else.
If so it doesn't do anything. In other words vim-gitgutter won't overwrite
another plugin's signs. It also won't remove another plugin's signs.