bblame

bblame is an interactive ncurses git blame viewer. Allowing you to explore the git history of a file.

Features

• Browse forwards and backwards through file history a commit at a time
• Select a line and drill into the history past the commit that changed that line most recently
• Display the git show for the commit of any selected line
• Browse file history across file renames
• Search and colour support

Usage

bblame is a curses application. Usage will be displayed when called with no arguments or -h --help:

usage: __main__.py [-h] [--revision {revision}] [--debug] [--version]
                                   filename [+{line_num} or +/{search_pattern}]

positional arguments:
  filename              Name or path to file to blame
  +{line_num} or +/{search_pattern}
                                                The line number or search pattern the cursor will be positioned on (this arg will put bblame in visual mode)

optional arguments:
  -h, --help            show this help message and exit
  --revision {revision}, -r {revision}
                                                The revision to initialize the blame file to
  --debug               Increase logging and show tracebacks
  --version             show program's version number and exit

To show available commands while running bblame use the h key, which will display the key to action mappings as below:

KEYS: ACTION - DESCRIPTION
--------------------------
 q:   Quit
        Quit the application

 /:   Search
        Search downward through the current blame or commit

 n:   Next Search Match
        Jump to the next search match (in the downward direction)

 N:   Prev Search Match
        Jump to the prev search match (in the upward direction)

 v, s:   Visual Select Mode
        Enter visual select mode (only from normal mode)

 o:   Show/View Commit
        Show a commit selected by the visual mode cursor

 O:   Show/View file Commit
        Show the current revision commit

 ESC:   Normal Mode
        Return to Normal mode

 ENTER, d:   Drill Down
        Drill down past the commit highlighted in visual mode. Opens a new git blame

 <, ,:   Parent blame
        Open a new git blame to the parent of the current commit

 >, .:   Ancestor blame
        Open a new git blame to the ancestor of the current commit

 BACKSPACE, DC, f:   Pop Back
        Pop back to previous git object

 G, END:   Jump to Bottom
        Jump to the bottom of the screen

 h:   Help
        Display the help message

 H:   Jump to HEAD
        Jump to a blame of the most recent commit for the file

 T:   Jump to TAIL
        Jump to a blame of the first commit for the file

Installation

sudo -H pip install bblame

or

python setup.py install

Issue

Issue tracker can be found here

Development:

Pull requests welcome

Git repo can be found here

Dependencies you'll need to install with your package manager for dev and test:

• pip/pip3 (bblame supports both 2.7.X and 3+ versions of python)
• tmux (a dependency of the curses unit test library, hecate)
• make

The rest of the dependencies can be installed with:

• make py_env

Useful Dev Notes:

• run make check to execute static analysis and unittests
• run python -m betterblame <args> in root of betterblame.git to run an instance of bblame with your changes
• You can use the test files in tests/testfiles/ for manual testing.