资源说明：An interactive, interative 'git blame' mode for Emacs

mo-git-blame -- An interactive, interative 'git blame' mode for Emacs

Copyright
---------

Copyright (C) 2009  Moritz Bunkus 

mo-git-blame is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.

mo-git-blame is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.

You should have received a copy of the GNU General Public License
along with GNU Emacs; see the file COPYING.  If not, write to the Free
Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA.

Installation
------------

Put this file somewhere in your load-path or add the directory it
is in to it, e.g.:

(add-to-list 'load-path "~/.emacs.d/mo-git-blame")

Then add two autoload definitions:

(autoload 'mo-git-blame-file "mo-git-blame" nil t)
(autoload 'mo-git-blame-current "mo-git-blame" nil t)

Optionally bind keys to these functions, e.g.

(global-set-key [?\C-c ?g ?c] 'mo-git-blame-current)
(global-set-key [?\C-c ?g ?f] 'mo-git-blame-file)

Usage
-----

There are two ways to invoke it: `mo-git-blame-file' which lets you
select a file for which 'git blame' should be called and
`mo-git-blame-current' which does the same for the current buffer's
associated file.

Once the mode starts it splits the window vertically. The left one
is filled with the blame output while the right one is filled with the
content at the current revision. Syntax highlighting is enabled for
the content window. The content buffer's name will contain the file
name and the current revision.

mo-git-blame works with three different buffers:

1. the `blame' buffer which contains the output of `git blame' and
which is the main buffer from which actions can be invoked

2. the `content' buffer which shows the file content at the current
revision. This buffer has syntax highlighting turned on. Only a few
actions can be invoked from this buffer (e.g. `q' for exiting
mo-git-blame).

3. the `output' buffer which contains the output of several git
commands, e.g. 'git show' or 'git cat-file'.

Normally the `blame' and the `content' buffer are shown
side-by-side. If the user requests additional information then the
`output' buffer is shown instead of the `content' buffer. The user can
return to the `content' buffer with .

You can invoke several actions from the blame buffer with single key
strokes. These include but are not limited to:

a   -- Call 'git blame' for the file for the first ancestor of the
       revision listed in the current line. Sets the content buffer to
       contain the file content at the new revision.
A   -- Call 'git blame' for the file for the first ancestor of the
       current revision. Sets the content buffer to contain the file
       content at the new revision.
b   -- Call 'git blame' for the file for the revision listed in the
       current line. Sets the content buffer to contain the file
       content at the new revision.
B   -- Call 'git blame' for the file for a specific revision read from
       the minibuffer.
c   -- Call 'git cat-file blob ...' for the revision listed in the
       current line and show the output in the `output' buffer. The
       output will not have syntax highlighting.
i   -- Display the current state information (current revision, git
       repository path etc) in the right window.
l   -- Call 'git log' for the revision listed in the current line and
       show the output in the `output' buffer.
L   -- Call 'git log' for the current revision and show the output in
       the `output' buffer.
p   -- Call 'git blame' for the file for the revision that was shown
       prior to the current one. Works only if you've used `b'
       before.
o   -- Overwrite the file with the content of the revision listed in
       the current line. Asks for confirmation before actually
       overwriting the file.
O   -- Overwrite the file with the content of the current
       revision. Asks for confirmation before actually overwriting the
       file.
q   -- Exit mo-git-blame and kill all its buffers.
s   -- Call 'git show' for the revision listed in the current line and
       show the output in the `output' buffer.
S   -- Call 'git show' for the current revision and show the output in
       the `output' buffer.
TAB -- Re-display the `content' buffer in the right window if it has
       replaced with the `output' buffer.
RET -- Same as `s'.

Customizing
-----------

There are several variables that can be customized. They belong to the
group `mo-git-blame' and can be customized with

(customize-group 'mo-git-blame)

These variables include:

* `mo-git-blame-git-executable' defaults to `git' and should point to
  your `git' executable if it is not in your path.
* `mo-git-blame-blame-window-width' defaults to 45 and determines the
  initial width of the `blame' window.
* `mo-git-blame-use-ido' determines whether or not the `ido' package
  is used for various interactive lookups.

Bugs, feature requests, contact
-------------------------------

You can reach me via email at Moritz Bunkus . I'm
always grateful for bug reports and usually open to feature
suggestions as far as my time permits.

You can also file an issue on github's issue tracker:

https://github.com/mbunkus/mo-git-blame/issues

Patches, source code
--------------------

The latest version can always be retrieved from my Git repository:

git clone git://github.com/mbunkus/mo-git-blame.git

If you want to send patches: Yes! By all means! Please do so! Please
note that I'm using wide windows and do not like forced wrapping
around 80 columns. I also don't like tabs. Thanks.

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