# HG changeset patch # User Steve Losh # Date 1288373680 14400 # Node ID c02fd492c52713719b20ae25320963dd9cbc2ada # Parent 08b2deff2e095ef0a2acfff66322c77a30644a2e gundo.vim: Update documentation. diff -r 08b2deff2e09 -r c02fd492c527 .hgignore --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/.hgignore Fri Oct 29 13:34:40 2010 -0400 @@ -0,0 +1,3 @@ +syntax:glob + +*.un~ diff -r 08b2deff2e09 -r c02fd492c527 gundo.vim/Essays1743.ttf Binary file gundo.vim/Essays1743.ttf has changed diff -r 08b2deff2e09 -r c02fd492c527 gundo.vim/index.html --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gundo.vim/index.html Fri Oct 29 13:34:40 2010 -0400 @@ -0,0 +1,317 @@ + + + + Gundo - Visualize your Vim Undo Tree + + + + + +
+ Mercurial Repository
+ Git Repository +
+
+
+

Gundo

+

Graph your Vim undo tree in style.

+
+
+ gundo + + +

+ You know that Vim lets you undo changes like any text editor. What you might + not know is that it doesn't just keep a list of your changes -- it keeps + a goddamed tree of them. +

+ +

+ Say you make a change (call it X), undo that change, and then make another + change (call it Y). With most editors, change X is now gone forever. With Vim + you can get it back. +

+ +

+ The problem is that trying to do this in the real world is painful. Vim gives + you an :undolist command that shows you the leaves of the tree. Good luck + finding the change you want in that list. +

+ +

+ Gundo is a plugin to make browsing this ridiculously powerful undo tree less + painful. +

+ +

+ Check out this + quick screencast + if you want to see it in action. +

+
+ +
+ +

Requirements

+ +

+ Gundo requires Vim 7.3+ compiled with Python support, and Python 2.4+. +

+
+
+ +

Installation

+ +

Use Pathogen. Don't use pathogen? Start.

+ 
hg clone http://bitbucket.org/sjl/gundo.vim ~/.vim/bundle/gundo
+ +

There's a git mirror if you prefer:

+ 
git clone http://github.com/sjl/gundo.vim.git ~/.vim/bundle/gundo
+ +

Add a mapping to your ~/.vimrc (change the key to suit your taste):

+ 
nnoremap <F5> :GundoToggle<CR>
+
+
+ +

Usage

+ +

+ We'll get to the technical details later, but if you're a human the first + thing you need to do is add a mapping to your vimrc file to toggle the undo + graph: +

+ + 
nnoremap <F5> :GundoToggle<CR>
+ +

+ Change the mapped key to suit your taste. We'll stick with <F5> because that's + what the author uses. +

+ +

+ Now you can press <F5> to toggle the undo graph and preview pane, which will + look something like this: +

+ +
+  Undo graph                          File
++-----------------------------------+---------------------------+
+| " Gundo for something.txt [1]     |one                        |
+| " j/k  - move between undo states |two                        |
+| " <cr> - revert to that state     |three                      |
+|                                   |five                       |
+| @  [5] 3 hours ago                |                           |
+| |                                 |                           |
+| | o  [4] 4 hours ago              |                           |
+| | |                               |                           |
+| o |  [3] 4 hours ago              |                           |
+| | |                               |                           |
+| o |  [2] 4 hours ago              |                           |
+| |/                                |                           |
+| o  [1] 4 hours ago                |                           |
+| |                                 |                           |
+| o  [0] Original                   |                           |
++-----------------------------------+                           |
+| --- 3 2010-10-12 06:27:35 PM      |                           |
+| +++ 5 2010-10-12 07:38:37 PM      |                           |
+| @@ -1,3 +1,4                      |                           |
+|  one                              |                           |
+|  two                              |                           |
+|  three                            |                           |
+| +five                             |                           |
++-----------------------------------+---------------------------+
+  Preview pane
+
+ +

+ Your current position in the undo tree is marked with an @ character. Other + nodes are marked with an o character. +

+ +

+ When you toggle open the graph Gundo will put your cursor on your current + position in the tree. You can move up and down the graph with the j and + k keys. +

+ +

+ You can move to the top of the graph (the newest state) with gg and to the + bottom of the graph (the oldest state) with G. +

+ +

+ As you move between undo states the preview pane will show you a unified diff + of the change that state made. +

+ +

+ Pressing return on a state (or double clicking on it) will revert the contents + of the file to match that state. +

+ +

+ Pressing P while on a state will initiate "play to" mode targeted at that + state. This will replay all the changes between your current state and the + target, with a slight pause after each change. It's mostly useless, but can be + fun to watch and see where your editing lags -- that might be a good place to + define a new mapping to speed up your editing. +

+ +

+ Pressing q while in the undo graph will close it. You can also just press your + toggle mapping key. +

+
+
+ +

Configuration

+ +

+ You can tweak the behavior of Gundo by setting a few variables + in your :vimrc file. For example: +

+ +
+let g:gundo_width = 60
+let g:gundo_preview_height = 40
+let g:gundo_right = 1
+
+ + +

g:gundo_width

+ +

Set the horizontal width of the Gundo graph (and preview).

+ +

Default: 45

+ + +

g:gundo_preview_height

+ +

Set the vertical height of the Gundo preview.

+ +

Default: 15

+ + +

g:gundo_preview_bottom

+ +

+ Force the preview window below current windows instead of below + the graph. This gives the preview window more space to show the + unified diff. +

+ +

Example:

+ +
++--------+            +--------+
+!g!      !            !      !g!
+!g!      !     or     !      !g!
+!g!______!            !______!g!
+!g!pppppp!            !pppppp!g!
++--------+            +--------+
+
+ +

Default: 0

+ + +

g:gundo_right

+ +

+ Set this to 1 to make the Gundo graph (and preview) open on the + right side instead of the left. +

+ +

Default: 0 (off, open on the left side)

+
+
+ +

License

+ +

GPLv2+.

+
+
+ +

Bugs

+ +

+ If you find a bug please post it on the + issue tracker. +

+
+
+ +

Contributing

+ +

+ Fork the repository on + BitBucket + or + GitHub + and send a pull request. +

+ +

Make sure you document your changes in the following places:

+ +
    +
  • The README.markdown file.
    • +
  • The site/index.html file.
    • +
  • The doc/gundo.txt file.
    • +
+
+
+ +

Changelog

+ +
    +
  1. v1.0.0 +
      +
    • Initial stable release.
      • +
    +
    2. +
+
+
+ +

Credits

+ +

+ The graphing code was all taken from Mercurial, hence the + GPLv2+ license. +

+ +

+ The plugin was heavily inspired by histwin.vim, and the code + for scratch.vim helped the author get started. +

+
+
+ Gundo was written by + Steve Losh + with a lot of help from others. +
+
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