pax_global_header 0000666 0000000 0000000 00000000064 12234521273 0014513 g ustar 00root root 0000000 0000000 52 comment=3b3ab5ef132eea21ea24a6386ef1125791a9e756
git-big-picture-master/ 0000775 0000000 0000000 00000000000 12234521273 0015343 5 ustar 00root root 0000000 0000000 git-big-picture-master/COPYING 0000664 0000000 0000000 00000104513 12234521273 0016402 0 ustar 00root root 0000000 0000000 GNU GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
Copyright (C) 2007 Free Software Foundation, Inc.
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
The GNU General Public License is a free, copyleft license for
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The licenses for most software and other practical works are designed
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GNU General Public License for most of our software; it applies also to
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When we speak of free software, we are referring to freedom, not
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0. Definitions.
"This License" refers to version 3 of the GNU General Public License.
"Copyright" also means copyright-like laws that apply to other kinds of
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"The Program" refers to any copyrightable work licensed under this
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1. Source Code.
The "source code" for a work means the preferred form of the work
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The "Corresponding Source" for a work in object code form means all
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The Corresponding Source need not include anything that users
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The Corresponding Source for a work in source code form is that
same work.
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All rights granted under this License are granted for the term of
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Additional permissions that are applicable to the entire Program shall
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You may not propagate or modify a covered work except as expressly
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Termination of your rights under this section does not terminate the
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9. Acceptance Not Required for Having Copies.
You are not required to accept this License in order to receive or
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occurring solely as a consequence of using peer-to-peer transmission
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10. Automatic Licensing of Downstream Recipients.
Each time you convey a covered work, the recipient automatically
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You may not impose any further restrictions on the exercise of the
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or that patent license was granted, prior to 28 March 2007.
Nothing in this License shall be construed as excluding or limiting
any implied license or other defenses to infringement that may
otherwise be available to you under applicable patent law.
12. No Surrender of Others' Freedom.
If conditions are imposed on you (whether by court order, agreement or
otherwise) that contradict the conditions of this License, they do not
excuse you from the conditions of this License. If you cannot convey a
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License and any other pertinent obligations, then as a consequence you may
not convey it at all. For example, if you agree to terms that obligate you
to collect a royalty for further conveying from those to whom you convey
the Program, the only way you could satisfy both those terms and this
License would be to refrain entirely from conveying the Program.
13. Use with the GNU Affero General Public License.
Notwithstanding any other provision of this License, you have
permission to link or combine any covered work with a work licensed
under version 3 of the GNU Affero General Public License into a single
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License will continue to apply to the part which is the covered work,
but the special requirements of the GNU Affero General Public License,
section 13, concerning interaction through a network will apply to the
combination as such.
14. Revised Versions of this License.
The Free Software Foundation may publish revised and/or new versions of
the GNU General Public License from time to time. Such new versions will
be similar in spirit to the present version, but may differ in detail to
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Each version is given a distinguishing version number. If the
Program specifies that a certain numbered version of the GNU General
Public License "or any later version" applies to it, you have the
option of following the terms and conditions either of that numbered
version or of any later version published by the Free Software
Foundation. If the Program does not specify a version number of the
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by the Free Software Foundation.
If the Program specifies that a proxy can decide which future
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to choose that version for the Program.
Later license versions may give you additional or different
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author or copyright holder as a result of your choosing to follow a
later version.
15. Disclaimer of Warranty.
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
16. Limitation of Liability.
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES.
17. Interpretation of Sections 15 and 16.
If the disclaimer of warranty and limitation of liability provided
above cannot be given local legal effect according to their terms,
reviewing courts shall apply local law that most closely approximates
an absolute waiver of all civil liability in connection with the
Program, unless a warranty or assumption of liability accompanies a
copy of the Program in return for a fee.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
Copyright (C)
This program 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 of the License, or
(at your option) any later version.
This program 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 this program. If not, see .
Also add information on how to contact you by electronic and paper mail.
If the program does terminal interaction, make it output a short
notice like this when it starts in an interactive mode:
Copyright (C)
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, your program's commands
might be different; for a GUI interface, you would use an "about box".
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, see
.
The GNU General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
.
git-big-picture-master/README.rst 0000664 0000000 0000000 00000026647 12234521273 0017051 0 ustar 00root root 0000000 0000000 git-big-picture
===============
``git-big-picture`` is a visualization tool for Git repositories. You can think
of it as a filter that removes uninteresting commits from a DAG modelling a Git
repository and thereby exposes the big picture: for example the hierarchy of
tags and branches. ``git-big-picture`` supports convenience output options and
can filter different classes of commits. It uses the Graphviz utility to render
images that are pleasing to the eye.
A Small Example
---------------
Imagine the following Graph:
.. code::
0.1.1 0.1.2
| |
0.0 G---H---I---J---K---L---M maint
| /
A---B---C---D---E---F master
| \ /
0.1 N---O---P topic
Where the following commits have Branches and Tags:
.. code::
A -> 0.0
B -> 0.1
F -> master
H -> 0.1.1
J -> 0.1.2
M -> maint
P -> topic
The *reduced* graph of *interesting* commits would be:
.. code::
H---J---M
/
A---B---F
\ /
P
But since the commits would be labeled with their refs, it would look more like
(within the limits of ASCII art):
.. code::
0.1.1---0.1.2---maint
/
0.0---0.1---master
\ /
topic
Screenshots
-----------
Courtesy of Graphviz, ``git-big-picture`` can output nice images.
Here is the original repository from the example above:
.. image:: https://raw.github.com/esc/git-big-picture/master/screenshots/before.png
:height: 280px
:width: 456px
And here is the reduced version:
.. image:: https://raw.github.com/esc/git-big-picture/master/screenshots/after.png
:height: 280px
:width: 456px
We also have a real world examples from:
* `cython `_
* `PyMVPA `_
* `bloscpack `_
Dependencies
------------
* Python 2.6 or 2.7 (2.5 will not work, if you try it with 3.3 let us know)
* Git (1.7.1 works)
* Graphviz utility
* Nosetest and Cram (only for running tests)
Installation
------------
Just run it straight from a clone or download:
.. code:: console
$ git clone git://github.com/esc/git-big-picture.git
$ cd git-big-picture
$ ./git-big-picture --help
$ wget https://raw.github.com/esc/git-big-picture/master/git-big-picture
$ ./git-big-picture -h
Alternatively, use the standard ``setup.py`` script to install it system wide
or just for the user.
.. code:: console
$ ./setup.py install
(may need root privileges)
$ ./setup.py install --user
Git Integration
---------------
You can easily integrate this script as a regular Git command, by making the
script ``git-big-picture`` available on the ``$PATH``. For instance: using
``./setup.py install`` method, as described above should do the trick.
Alternatively symlink or copy ``git-big-picture`` into a directory listed in
your ``$PATH``, for example ``$HOME/bin``.
You may then use ``git big-picture`` (w/o the first dash) as you would any other Git command:
.. code:: console
$ git big-picture -h
Or create an alias:
.. code:: console
$ git config --global alias.bp big-picture
$ git bp -h
Internals
---------
The graph operations are written in Python and output the graph-data in the
easy-to-write Graphviz syntax. This is converted into an image using the
Graphviz ``dot`` utility. Graphviz supports a multitude of image formats, e.g. SVG
and PDF. Check that Graphviz is installed by invoking: ``dot -V``.
Usage
-----
.. code:: console
$ git-big-picture --help
Usage: git-big-picture OPTIONS []
Options:
--version show program's version number and exit
-h, --help show this help message and exit
--pstats=FILE run cProfile profiler writing pstats output to FILE
-d, --debug activate debug output
Output Options:
Options to control output and format
-f FMT, --format=FMT
set output format [svg, png, ps, pdf, ...]
-g, --graphviz output lines suitable as input for dot/graphviz
-G, --no-graphviz disable dot/graphviz output
-p, --processed output the dot processed, binary data
-P, --no-processed disable binary output
-v CMD, --viewer=CMD
write image to tempfile and start specified viewer
-V, --no-viewer disable starting viewer
-o FILE, --outfile=FILE
write image to specified file
-O, --no-outfile disable writing image to file
Filter Options:
Options to control commit/ref selection
-a, --all include all commits
-b, --branches show commits pointed to by branches
-B, --no-branches do not show commits pointed to by branches
-t, --tags show commits pointed to by tags
-T, --no-tags do not show commits pointed to by tags
-r, --roots show root commits
-R, --no-roots do not show root commits
-m, --merges include merge commits
-M, --no-merges do not include merge commits
-i, --bifurcations include bifurcation commits
-I, --no-bifurcations
do not include bifurcation commits
Usage Examples
--------------
There are two related groups of options, the output and the filter options.
Output options govern the output and format produced by the tool. Filter
options govern which commits to include when calculating the reduced graph.
Using Output Options
....................
Generate PNG version of current Git repository and save to ``our-project.png``:
.. code:: console
$ git-big-picture -o our-project.png
Generate SVG (default format) image of the repository in ``~/git-repo`` and view the
result in firefox:
.. code:: console
$ git-big-picture -v firefox ~/git-repo/
If you specify the format and a filename with extension, the filename extension will
be used:
.. code:: console
$ git-big-picture -f svg -o our-project.png
$ file our-project.png
our-project.png: PNG image data, 216 x 325, 8-bit/color RGB, non-interlaced
If you don't have an extension, you could still specify a format:
.. code:: console
$ git-big-picture -f pdf -o our-project
warning: Filename had no suffix, using format: pdf
Otherwise the default format SVG is used:
.. code:: console
$ git-big-picture -o our-project
warning: Filename had no suffix, using default format: svg
If you would like to use an alternative viewer, specify viewer and its format:
.. code:: console
$ git-big-picture -f pdf -v xpdf
You can also open the viewer automatically on the output file:
.. code:: console
$ git-big-picture -v xpdf -o our-project.pdf
Output raw Graphviz syntax:
.. code:: console
$ git-big-picture -g
Output raw Graphviz output (i.e. the image):
.. code:: console
$ git-big-picture -p
Note however, that the options in the two examples above are both mutually
exclusive and incompatible with other output options.
.. code:: console
$ git-big-picture -g -p
fatal: Options '-g | --graphviz' and '-p | --processed' are mutually exclusive.
$ git-big-picture -g -v firefox
fatal: Options '-g | --graphviz' and '-p | --processed' are incompatible with other output options.
Manually pipe the Graphviz commands to the ``dot`` utility:
.. code:: console
$ git-big-picture --graphviz ~/git-repo | dot -Tpng -o graph.png
Using Filter Options
....................
The three options ``--branches`` ``--tags`` and ``--roots`` are active by
default. You can use the negation switches to turn them off. These use the
uppercase equivalent of the short option and the prefix ``no-`` for the long
option. For example: ``-B | --no-branches`` to deactivate showing branches.
Show all interesting commits, i.e. show also merges and bifurcations:
.. code:: console
$ git-big-picture -i -m
Show only roots (deactivate branches and tags):
.. code:: console
$ git-big-picture -B -T
Show merges and branches only (deactivate tags):
.. code:: console
$ git-big-picture -m -T
Show all commits:
.. code:: console
$ git-big-picture -a
Configuration
-------------
The standard ``git config`` infrastructure can be used to configure
``git-big-picture``. Most of the command line arguments can be configured in a
``big-picture`` section. For example, to configure ``firefox`` as a viewer
.. code:: console
$ git config --global big-picture.viewer firefox
Will create the following section and entry in your ``~/.gitconfig``:
.. code:: ini
[big-picture]
viewer = firefox
The command line negation arguments can be used to disable a setting configured
via the command line. For example, if you have configured the ``viewer`` above
and try to use the ``-g | --graphviz`` switch, you will get the following
error:
.. code:: console
$ git-big-picture -g
fatal: Options '-g | --graphviz' and '-p | --processed' are incompatible with other output options.
... since you already have a viewer configured. In this case, use the negation
option ``-V | --no-viewer`` to disable the ``viewer`` setting from the config
file:
.. code:: console
$ git-big-picture -g -V
Testing
-------
The Python code is tested with `nose `_:
.. code:: console
$ ./test.py
The command line interface is tested with `cram `_:
.. code:: console
$ ./test.cram
Debugging
---------
You can use the ``[-d | --debug]`` switch to debug:
.. code:: console
$ git-big-picture -d -v firefox
Although debugging output is somewhat sparse...
Profiling
---------
There are two ways to profile git-big-picture, using the built-in ``--pstats``
option or using the Python module ``cProfile``:
Using ``--pstats``:
.. code:: console
$ git-big-picture --pstats=profile-stats -o graph.svg
... will write the profiler output to ``profile-stats``.
Profile the script with ``cProfile``
.. code:: console
$ python -m cProfile -o profile-stats git-big-picture -o graph.svg
In either case, you can then use the excellent visualisation tool `gprof2dot
`_ which, incidentally,
uses Graphviz too:
.. code:: console
$ gprof2dot -f pstats profile-stats | dot -Tsvg -o profile_stats.svg
TODO
----
* Sanitize the test suite
* --abbrev switch
Changelog
---------
* v0.9.0 - 2012-11-20
* rst-ify readme
* Fix long standing bug in graph search algorithm
* Fix long standing conversion from tabbed to 4-spaces
* Overhaul and refactor the test-suite
* Remove old ``--some`` crufty code and option
* Add ability to find root-, merge- and bifurcation-commits
* Overhaul command line interface with new options
* Add command line interface tests using Cram
* Overhaul documentation to reflect changes
* v0.8.0 - 2012-11-05
* Snapshot of all developments Mar 2010 - Now
* Extended command line options for viewing and formatting
* Option to filter on all, some or decorated commits
* Simple test suite for python module and command line
License
-------
Licensed under GPL v3 or later, see file COPYING for details.
Authors/Contributors
--------------------
* Sebastian Pipping
* Julius Plenz
* Valentin Haenel
* Yaroslav Halchenko
* Chris West (Faux)
git-big-picture-master/git-big-picture 0000775 0000000 0000000 00000077674 12234521273 0020311 0 ustar 00root root 0000000 0000000 #!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# This file is part of git-big-picture
#
# Copyright (C) 2010 Sebastian Pipping
# Copyright (C) 2010 Julius Plenz
# Copyright (C) 2010-12 Valentin Haenel
# Copyright (C) 2011 Yaroslav Halchenko
#
# git-big-picture 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 of the License, or
# (at your option) any later version.
#
# git-big-picture 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 git-big-picture. If not, see .
from __future__ import print_function
import copy
import optparse
import os
import re
import shlex
import subprocess
import sys
import tempfile
__version__ = '1.0.0-dev'
__docformat__ = "restructuredtext"
## settings and defaults
# format settings
GRAPHVIZ = 'graphviz'
PROCESSED = 'processed'
FORMAT = 'format'
VIEWER = 'viewer'
OUT_FILE = 'outfile'
OUTPUT_SETTINGS = [
FORMAT,
GRAPHVIZ,
PROCESSED,
VIEWER,
OUT_FILE,
]
OUTPUT_DEFAULTS = {
FORMAT: 'svg',
GRAPHVIZ: False,
PROCESSED: False,
VIEWER: False,
OUT_FILE: False,
}
# filter settings
BRANCHES = 'branches'
TAGS = 'tags'
ROOTS = 'roots'
MERGES = 'merges'
BIFURCATIONS = 'bifurcations'
FILTER_SETTINGS = [
BRANCHES,
TAGS,
ROOTS,
MERGES,
BIFURCATIONS,
]
FILTER_DEFAULTS = {
BRANCHES: True,
TAGS: True,
ROOTS: True,
MERGES: False,
BIFURCATIONS: False,
}
EXIT_CODES = {"too_many_args": 1,
"dot_not_found": 2,
"problem_with_dot": 3,
"dot_terminated_early": 4,
"not_write_to_file": 5,
"no_such_viewer": 6,
"graphviz_processed_others": 7,
"no_options": 8,
"no_git": 9,
"no_git_repo": 10,
"mutually_exclusive": 11,
}
sha1_pattern = re.compile('[0-9a-fA-F]{40}')
DEBUG = False
USAGE = "%prog OPTIONS []"
def create_parser():
parser = optparse.OptionParser(usage=USAGE, version=__version__)
format_group = optparse.OptionGroup(parser, "Output Options",
"Options to control output and format")
# output options
format_group.add_option('-f', '--format',
action='store', type='string', dest='format',
metavar='FMT', help='set output format [svg, png, ps, pdf, ...]')
format_group.add_option('-g', '--graphviz',
action='store_true', dest='graphviz',
help='output lines suitable as input for dot/graphviz')
format_group.add_option('-G', '--no-graphviz',
action='store_true', dest='no_graphviz',
help='disable dot/graphviz output')
format_group.add_option('-p', '--processed',
action='store_true', dest='processed',
help='output the dot processed, binary data')
format_group.add_option('-P', '--no-processed',
action='store_true', dest='no_processed',
help='disable binary output')
format_group.add_option('-v', '--viewer',
action='store', type='string', dest='viewer',
metavar='CMD',
help='write image to tempfile and start specified viewer')
format_group.add_option('-V', '--no-viewer',
action='store_true', dest='no_viewer',
help='disable starting viewer')
format_group.add_option('-o', '--outfile',
action='store', type='string', dest='outfile',
metavar='FILE', help='write image to specified file')
format_group.add_option('-O', '--no-outfile',
action='store_true', dest='no_outfile',
help='disable writing image to file')
parser.add_option_group(format_group)
filter_group = optparse.OptionGroup(parser, "Filter Options",
"Options to control commit/ref selection")
# commit/ref selection -- filtering options
filter_group.add_option('-a', '--all',
action='store_true', dest='all_commits',
help='include all commits')
filter_group.add_option('-b', '--branches',
action='store_true', dest='branches',
help='show commits pointed to by branches')
filter_group.add_option('-B', '--no-branches',
action='store_true', dest='no_branches',
help='do not show commits pointed to by branches')
filter_group.add_option('-t', '--tags',
action='store_true', dest='tags',
help='show commits pointed to by tags')
filter_group.add_option('-T', '--no-tags',
action='store_true', dest='no_tags',
help='do not show commits pointed to by tags')
filter_group.add_option('-r', '--roots',
action='store_true', dest='roots',
help='show root commits')
filter_group.add_option('-R', '--no-roots',
action='store_true', dest='no_roots',
help='do not show root commits')
filter_group.add_option('-m', '--merges',
action='store_true', dest='merges',
help='include merge commits')
filter_group.add_option('-M', '--no-merges',
action='store_true', dest='no_merges',
help='do not include merge commits')
filter_group.add_option('-i', '--bifurcations',
action='store_true', dest='bifurcations',
help='include bifurcation commits')
filter_group.add_option('-I', '--no-bifurcations',
action='store_true', dest='no_bifurcations',
help='do not include bifurcation commits')
parser.add_option_group(filter_group)
# miscellaneous options
parser.add_option('--pstats',
action='store', type='string', dest='pstats_outfile',
metavar='FILE',
help='run cProfile profiler writing pstats output to FILE')
parser.add_option('-d', '--debug',
action='store_true', dest='debug',
help='activate debug output')
return parser
PARSER = create_parser()
def barf(message, exit_code):
""" Abort execution with error message and exit code.
Parameters
----------
message : string
error message
exit_code : int
exit code for program
"""
sys.stderr.write('fatal: %s\n' % message)
sys.exit(exit_code)
def warn(message):
""" Print a warning message.
Parameters
----------
message : string
the warning
"""
sys.stderr.write('warning: %s\n' % message)
def debug(message):
""" Print a debug message.
Parameters
----------
message : string
the debug message
"""
if DEBUG:
sys.stdout.write('debug: %s\n' % message)
def parse_variable_args(args):
""" Parse arguments and get repo_dir.
Parameters
----------
args : list
arguments given on command line
Returns
-------
repo_dir : path
path to the repo_dir
"""
if len(args) > 1:
barf('Too many arguments: %s' % args, EXIT_CODES["too_many_args"])
return args[0] if len(args) == 1 else os.getcwd()
def run_dot(output_format, dot_file_lines):
""" Run the 'dot' utility.
Parameters
----------
output_format : string
format of output [svg, png, ps, pdf, ...]
dot_file_lines : list of strings
graphviz input lines
Returns
-------
Raw output from 'dot' utility
"""
try:
p = subprocess.Popen(['dot', '-T' + output_format],
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
except OSError as e:
if e.errno == 2:
barf("'dot' not found! Please install the Graphviz utility.",
EXIT_CODES["dot_not_found"])
else:
barf("A problem occured calling 'dot -T%s'" % output_format,
EXIT_CODES["problem_with_dot"])
# send dot input, automatically receive and store output and error
out, err = p.communicate(input='\n'.join(dot_file_lines))
if p.returncode != 0:
barf("'dot' terminated prematurely with error code %d;\n"
"probably you specified an invalid format, see 'man dot'.\n"
"The error from 'dot' was:\n>>>"
% p.returncode + err, EXIT_CODES["dot_terminated_early"])
return out
def write_to_file(output_file, dot_output):
""" Write the output from the 'dot' utility to file.
Parameters
----------
output_file : string
filename of output file
dot_output : list of strings
raw output from the 'dot' utility
"""
try:
f = open(output_file, 'w+b')
except IOError as e:
barf("Could not open file '%s':\n>>>%s"
% (output_file, e),
EXIT_CODES["not_write_to_file"])
f.write(dot_output)
f.flush()
os.fsync(f.fileno())
f.close()
def show_in_viewer(output_file, viewer):
""" Show the output of 'dot' utility in a viewer.
If 'output' is a file, open viewer on that file, else assume its the raw
output from the 'dot' utility, write that to a temporary file, and open
viewer on that.
Parameters
----------
output_file : str
name of the output file
viewer : string
name of the viewer to use
"""
try:
subprocess.call([viewer, output_file])
except OSError as e:
barf("Error calling viewer: '%s':\n>>>%s" % (viewer, e),
EXIT_CODES["no_such_viewer"])
def guess_format_from_filename(output_file):
""" Guess the output format from the filename.
Parameters
----------
output_file : string
filename of the output file
Returns
-------
has_suffix : boolean
True if the filename had a suffix, False otherwise
guess:
the format guess if the filename has a suffix and None otherwise
"""
if '.' in output_file:
return True, opts.outfile.split('.')[-1]
else:
return False, None
def parse_output_options(opts):
cmdline_settings = {}
for setting in OUTPUT_SETTINGS[1:]:
positive, negative = getattr(opts, setting), getattr(opts, 'no_' + setting)
if positive is not None and negative is not None:
barf("'%s' and '%s' are mutually exclusive" %
('--' + setting, '--no-' + setting),
EXIT_CODES['mutually_exclusive'])
if positive is not None:
cmdline_settings[setting] = positive
elif negative is not None:
cmdline_settings[setting] = False
else:
cmdline_settings[setting] = None
val = getattr(opts, FORMAT)
cmdline_settings[FORMAT] = val if val is not None else None
return cmdline_settings
def parse_filter_options(opts):
""" Extract and check the filtering options from the command line 'opts'.
Checks that not both the option and it's negation were found. The return
dict contains one entry for each setting. This entry can be True to signal
the option was found, False to signal the negation was found and None to
signal that neither was found.
Parameters
----------
opts : dict
options dict from cmdline
Returns
-------
cmdline_settings : dict
the settings dict
"""
cmdline_settings = {}
for setting in FILTER_SETTINGS:
positive, negative = getattr(opts, setting), getattr(opts, 'no_' + setting)
if positive is not None and negative is not None:
barf("'%s' and '%s' are mutually exclusive" %
('--' + setting, '--no-' + setting),
EXIT_CODES['mutually_exclusive'])
elif positive is not None:
cmdline_settings[setting] = True
elif negative is not None:
cmdline_settings[setting] = False
else:
cmdline_settings[setting] = None
return cmdline_settings
def set_settings(settings, defaults, conf, cli):
""" Extract the value for setting in order.
If any of the 'containers' are None, it will be skipped.
Parameters
----------
setting : list of str
the settings to look for
defaults : dict
defaults
conf : dict
configuration file
cli : dict like
command line settings
Returns
-------
val : str
an appropriate value for setting
"""
order = [('defaults', defaults),
('conf file', conf),
('command line args', cli)]
output = {}
for setting in settings:
prev, val, prev_val = None, None, None
for desc, container in order:
if container is None:
continue
if container[setting] is not None:
prev_val, val = val, container[setting]
if prev_val is not None:
debug("Value for '%s' found in '%s', overrides setting '%s' from '%s': '%s'"
% (setting, desc, prev_val, prev, val))
else:
debug("Value for '%s' found in '%s': '%s'"
% (setting, desc, val))
prev = desc
if val is None:
debug("No value for '%s' found anywhere" % setting)
output[setting] = val
return output
def get_command_output(command_list, cwd=None, git_env=None):
""" Execute arbitrary commands.
Parameters
----------
command_list : list of strings
the command and its arguments
cwd : string
current working directory to execute command in
git_env : dict
the git environment, if any
Returns
-------
output : string
the raw output of the command executed
"""
p = subprocess.Popen(command_list, stdout=subprocess.PIPE,
stderr=subprocess.PIPE, env=git_env, cwd=cwd)
load = p.stdout.read()
p.wait()
if p.returncode:
err = p.stderr.read()
err = '\n'.join(('> ' + e) for e in err.split('\n'))
raise Exception('Stderr:\n%s\nReturn code %d from command "%s"'
% (err, p.returncode, ' '.join(command_list)))
return load
class Git(object):
def __init__(self, repo_dir):
self.repo_dir = repo_dir
# under the assumption that if git rev-parse fails
# it really is not a git repo
try:
self('git rev-parse')
except Exception:
barf("'%s' is probably not a Git repository" % self.repo_dir,
EXIT_CODES['no_git_repo'])
def __call__(self, command):
return get_command_output(shlex.split(command),
cwd=self.repo_dir).splitlines()
def config(self, settings):
config_settings = {}
for setting in settings:
try:
val = self('git config big-picture.%s' % setting)[0]
except Exception:
val = None
if val is None:
config_settings[setting] = None
elif val.lower() in ['1', 'yes', 'true', 'on']:
config_settings[setting] = True
elif val.lower() in ['0', 'no', 'false', 'off']:
config_settings[setting] = False
else:
config_settings[setting] = val
return config_settings
def get_mappings(self):
""" Get mappings for all refs.
This is implemented using a single call to 'git for-each-ref'. Note
that it can handle non commit tags too and returns these
Returns
-------
(lbranches, rbranches, abranches), (tags, ctags, nctags)
lbranches : dict mapping strings to sets of strings
mapping of commit sha1s to local branch names
rbranches : dict mapping strings to sets of strings
mapping of commit sha1s to remote branch names
abranches : dict mapping strings to sets of strings
mapping of commit sha1s to all branch names
tags : dict mapping strings to sets of strings
mapping of object sha1s to tag names
ctags : dict mapping sha1s to sets of strings
mapping of commits sha1s to tag names
nctags : dict mapping sha1s to sets of strings
mapping of non-commit sha1s to sets of strings
"""
output = self("git for-each-ref --format=\"['%(objectname)', '%(*objectname)', '%(objecttype)', '%(refname)']\"")
lbranch_prefix = 'refs/heads/'
rbranch_prefix = 'refs/remotes/'
tag_prefix = 'refs/tags/'
lbranches, rbranches, abranches = {}, {}, {}
tags, ctags, nctags = {}, {}, {}
def add_to_dict(dic, sha1, name):
dic.setdefault(sha1, set()).add(name)
for ref_info in output:
sha1, tag_sha1, ref_type, name = eval(ref_info)
if ref_type not in ['commit', 'tag']:
continue
elif name.startswith(lbranch_prefix):
add_to_dict(lbranches, sha1, name.replace(lbranch_prefix, ''))
add_to_dict(abranches, sha1, name.replace(lbranch_prefix, ''))
elif name.startswith(rbranch_prefix):
add_to_dict(rbranches, sha1, name.replace(rbranch_prefix, ''))
add_to_dict(abranches, sha1, name.replace(rbranch_prefix, ''))
elif name.startswith(tag_prefix):
# recusively dereference until we find a non-tag object
sha1 = self('git rev-parse %s^{}' % name)[0]
# determine object type and to respective dict
obj_type = self('git cat-file -t %s' % sha1)[0]
if obj_type in ['blob', 'tree']:
add_to_dict(nctags, sha1, name.replace(tag_prefix, ''))
else:
add_to_dict(ctags, sha1, name.replace(tag_prefix, ''))
add_to_dict(tags, sha1, name.replace(tag_prefix, ''))
return (lbranches, rbranches, abranches), (tags, ctags, nctags)
def get_parent_map(self):
""" Get a mapping of children to parents.
Returns
-------
parents : dict mapping strings to sets of strings
mapping of children sha1s to parents sha1
"""
parents = {}
lines = self('git rev-list --all --parents')
for line in lines:
sha_ones = [e.group(0) for e in re.finditer(sha1_pattern, line)]
count = len(sha_ones)
if count > 1:
parents[sha_ones[0]] = set(sha_ones[1:])
elif count == 1:
parents[sha_ones[0]] = set()
return parents
def graph_factory(repo_dir):
""" Create a CommitGraph object from a git_dir. """
git = Git(repo_dir)
(lb, rb, ab), (tags, ctags, nctags) = git.get_mappings()
return CommitGraph(git.get_parent_map(), ab, tags, git=git)
class CommitGraph(object):
""" Directed Acyclic Graph (DAG) git repository.
Parameters
----------
parent_map : dict mapping SHA1s to list of SHA1s
the parent map
branch_dict : dict mapping SHA1s to list of strings
the branches
tag_dict : dict mapping SHA1s to list of strings
the tags
Properties
----------
roots : list of SHA1s
all root commits (the ones with no parents)
merges : list of SHA1s
all merge commits (the ones with multiple parents)
bifurcations : list SHA1s
all bifurcation commits (the ones with multiple children)
Attributes
----------
parents : dict mapping SHA1s to list of SHA1s
the parent map
children : dict mapping SHA1s to list of SHA1s
the child map
branches : dict mapping SHA1s to list of strings
the branches
tags : dict mapping SHA1s to list of strings
tags
git : Git
interface to dispatch commands to this repo
"""
def __init__(self, parent_map, branch_dict, tag_dict, git=None):
self.parents = parent_map
self.branches = branch_dict
self.tags = tag_dict
self.dotdot = set()
self.git = git
self.children = {}
self._calculate_child_mapping()
self._verify_child_mapping()
def _has_label(self, sha_one):
""" Check if a sha1 is pointed to by a ref.
Parameters
----------
sha_one : string
"""
return sha_one in self.branches \
or sha_one in self.tags
def _calculate_child_mapping(self):
""" Populate the self.children dict, using self.parents. """
for sha_one, parent_sha_ones in self.parents.items():
for p in parent_sha_ones:
if p not in self.children:
self.children[p] = set()
self.children[p].add(sha_one)
if sha_one not in self.children:
self.children[sha_one] = set()
def _verify_child_mapping(self):
""" Ensure that self.parents and self.children represent the same DAG.
"""
for sha_one, pars in self.parents.items():
for p in pars:
for c in self.children[p]:
assert(p in self.parents[c])
for sha_one, chs in self.children.items():
for c in chs:
for p in self.parents[c]:
assert(c in self.children[p])
@property
def roots(self):
""" Find all root commits. """
return [sha for sha, parents in self.parents.items() if not parents]
@property
def merges(self):
""" Find all merge commits. """
return [sha for sha, parents in self.parents.items()
if len(parents) > 1]
@property
def bifurcations(self):
""" Find all bifurcations. """
return [sha for sha, children in self.children.items()
if len(children) > 1]
def filter(self,
branches=FILTER_DEFAULTS[BRANCHES],
tags=FILTER_DEFAULTS[TAGS],
roots=FILTER_DEFAULTS[ROOTS],
merges=FILTER_DEFAULTS[MERGES],
bifurcations=FILTER_DEFAULTS[BIFURCATIONS],
additional=None):
""" Filter the commit graph.
Remove, or 'filter' the unwanted commits from the DAG. This will modify
self.parents and when done re-calculate self.children. Keyword
arguments can be used to specify 'interesting' commits
Generate a reachability graph for 'interesting' commits. This will
generate a graph of all interesting commits, with edges pointing to all
reachable 'interesting' parents.
Parameters
----------
branches : bool
include commits being pointed to by branches
tags : bool
include commits being pointed to by tags
roots : bool
include root commits
merges : bool
include merge commits
bifurcations : bool
include bifurcation commits
additional : list of SHA1 sums
any additional commits to include
Returns
-------
commit_graph : CommitGraph
the filtered graph
"""
interesting = []
if branches:
interesting.extend(self.branches.keys())
if tags:
interesting.extend(self.tags.keys())
if roots:
interesting.extend(self.roots)
if merges:
interesting.extend(self.merges)
if bifurcations:
interesting.extend(self.bifurcations)
if additional:
interesting.extend(additional)
reachable_interesting_parents = dict()
# for everything that we are interested in
for commit_i in interesting:
# Handle tags pointing to non-commits
if commit_i in self.parents:
to_visit = list(self.parents[commit_i])
else:
to_visit = list()
# create the set of seen commits
seen = set()
# initialise the parents for this commit_i
reachable_interesting_parents[commit_i] = set()
# iterate through to_visit list, i.e. go searching in the graph
for commit_j in to_visit:
# we have already been here
if commit_j in seen:
continue
else:
seen.add(commit_j)
if commit_j in interesting:
# is interesting, add and stop
reachable_interesting_parents[commit_i].add(commit_j)
else:
# is not interesting, keep searching
to_visit.extend(self.parents[commit_j])
return CommitGraph(reachable_interesting_parents,
copy.deepcopy(self.branches),
copy.deepcopy(self.tags))
def _minimal_sha_one_digits(self):
""" Calculate the minimal number of sha1 digits required to represent
all commits unambiguously. """
key_count = len(self.parents)
for digit_count in xrange(7, 40):
if len(set(e[0:digit_count] for e in self.parents.keys())) == key_count:
return digit_count
return 40
def _generate_dot_file(self, sha_ones_on_labels, sha_one_digits=None):
""" Generate graphviz input.
Parameters
----------
sha_ones_on_labels : boolean
if True show sha1 (or minimal) on labels in addition to ref names
sha_one_digits : int
number of digits to use for showing sha1
Returns
-------
dot_file_lines : list of strings
lines of the graphviz input
"""
def format_sha_one(sha_one):
""" Shorten sha1 if required. """
if (sha_one_digits is None) or (sha_one_digits == 40):
return sha_one
else:
return sha_one[0:sha_one_digits]
def label_gen():
keys = set(self.branches.keys()).union(set(self.tags.keys()))
for k in (k for k in keys
if k in self.parents or k in self.children):
labels = []
case = 0
if k in self.tags:
case = case + 1
map(labels.append, sorted(self.tags[k]))
if k in self.branches:
case = case + 2
map(labels.append, sorted(self.branches[k]))
# http://www.graphviz.org/doc/info/colors.html
color = "/pastel13/%d" % case
yield (k, labels, color)
dot_file_lines = ['digraph {']
for sha_one, labels, color in label_gen():
dot_file_lines.append('\t"%(ref)s"[label="%(label)s", color="%(color)s", style=filled];' % {
'ref':sha_one,
'label':'\\n'.join(labels \
+ (sha_ones_on_labels and [format_sha_one(sha_one),] or list())),
'color':color})
for sha_one in self.dotdot:
dot_file_lines.append('\t"%(ref)s"[label="..."];' % {'ref':sha_one})
if (sha_one_digits is not None) and (sha_one_digits != 40):
for sha_one in (e for e in self.parents.keys() if not (self._has_label(e) or e in self.dotdot)):
dot_file_lines.append('\t"%(ref)s"[label="%(label)s"];' % {
'ref':sha_one,
'label':format_sha_one(sha_one)})
for child, self.parents in self.parents.items():
for p in self.parents:
dot_file_lines.append('\t"%(source)s" -> "%(target)s";' % {'source':child, 'target':p})
dot_file_lines.append('}')
return dot_file_lines
def main(opts, args):
repo_dir = parse_variable_args(args)
debug("The Git repository is at: '%s'" % repo_dir)
graph = graph_factory(repo_dir)
output_settings = set_settings(OUTPUT_SETTINGS,
OUTPUT_DEFAULTS,
graph.git.config(OUTPUT_SETTINGS),
parse_output_options(opts))
filter_settings = set_settings(FILTER_SETTINGS,
FILTER_DEFAULTS,
graph.git.config(FILTER_SETTINGS),
parse_filter_options(opts))
if opts.all_commits:
sha_one_digits = graph._minimal_sha_one_digits()
else:
sha_one_digits = None
graph = graph.filter(**filter_settings)
sha_one_digits = graph._minimal_sha_one_digits()
dot_file_lines = graph._generate_dot_file(sha_ones_on_labels=opts.all_commits, sha_one_digits=sha_one_digits)
if (output_settings[GRAPHVIZ] and output_settings[PROCESSED]):
barf("Options '-g | --graphviz' and '-p | --processed' " +
"are mutually exclusive.",
EXIT_CODES["graphviz_processed_others"])
elif (output_settings[GRAPHVIZ] or output_settings[PROCESSED]) and any([
output_settings[VIEWER],
output_settings[OUT_FILE]]):
barf("Options '-g | --graphviz' and '-p | --processed' " +
"are incompatible with other output options.",
EXIT_CODES["graphviz_processed_others"])
elif not any([
output_settings[GRAPHVIZ],
output_settings[PROCESSED],
output_settings[VIEWER],
output_settings[OUT_FILE]]):
barf("Must provide an output option. Try '-h' for more information",
EXIT_CODES["no_options"])
# if plain just print dot input to stdout
if output_settings[GRAPHVIZ]:
debug('Will now print dot format')
for line in dot_file_lines:
print(line)
return
# check for format mismatch between -f and -o
if output_settings[FORMAT] and output_settings[OUT_FILE]:
(has_suffix, guess) = guess_format_from_filename(
output_settings[OUT_FILE])
if output_settings[FORMAT] != guess and guess is not None:
debug("Format mismatch: '%s'(-f|--format or default)"
"vs. '%s'(filename), will use: "
"'%s'" % (output_settings[FORMAT], guess, guess))
output_settings[FORMAT] = guess
if guess is None:
warn('Filename had no suffix, using format: %s' %
output_settings[FORMAT])
output_settings[OUT_FILE] += '.' + output_settings[FORMAT]
# run the 'dot' utility
dot_output = run_dot(output_settings[FORMAT], dot_file_lines)
# create outfile and possibly view that or a temporary file in viewer
if output_settings[VIEWER] or output_settings[OUT_FILE]:
# no output file requested, create a temporary one
if not output_settings[OUT_FILE]:
output_settings[OUT_FILE] = tempfile.NamedTemporaryFile(
prefix='git-big-picture').name
debug("Created temp file: '%s'" % output_settings[OUT_FILE])
debug("Writing to file: '%s'" % output_settings[OUT_FILE])
write_to_file(output_settings[OUT_FILE], dot_output)
if output_settings[VIEWER]:
debug("Will now open file in viewer: '%s'" %
output_settings[VIEWER])
show_in_viewer(output_settings[OUT_FILE], output_settings[VIEWER])
elif output_settings[PROCESSED]:
debug("Will now print dot processed output in format: '%s'" %
output_settings[FORMAT])
print(dot_output)
if __name__ == '__main__':
opts, args = PARSER.parse_args()
if opts.debug is not None:
DEBUG = True
debug('Activate debug')
try:
get_command_output(['git', '--help'])
except Exception as e:
barf("git is either not installed or not on your $PATH:\n>>>%s" % e,
EXIT_CODES["no_git"])
if opts.pstats_outfile is not None:
import cProfile
debug("Running in profiler, output is: '%s'" % opts.pstats_outfile)
cProfile.run('main(opts, args)', opts.pstats_outfile)
else:
main(opts, args)
git-big-picture-master/git_big_picture.py 0000777 0000000 0000000 00000000000 12234521273 0023765 2git-big-picture ustar 00root root 0000000 0000000 git-big-picture-master/screenshots/ 0000775 0000000 0000000 00000000000 12234521273 0017703 5 ustar 00root root 0000000 0000000 git-big-picture-master/screenshots/after.png 0000664 0000000 0000000 00000050165 12234521273 0021521 0 ustar 00root root 0000000 0000000 PNG
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t98982%9829899a!(^OĹV۸1u#pN! lV aq a w3l IENDB` git-big-picture-master/setup.py 0000775 0000000 0000000 00000002422 12234521273 0017060 0 ustar 00root root 0000000 0000000 #!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# This file is part of git-big-picture
#
# Copyright (C) 2010 Sebastian Pipping
# Copyright (C) 2010 Julius Plenz
# Copyright (C) 2010-11 Valentin Haenel
#
# git-big-picture 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 of the License, or
# (at your option) any later version.
#
# git-big-piture 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 git-big-picture. If not, see .
from setuptools import setup
from git_big_picture import __version__ as VERSION
setup(name = 'git-big-picture',
version = VERSION,
author = 'Sebastian Pipping, Julius Plenz, and Valentin Haenel',
description = 'Visualize git repositories.',
url = 'https://github.com/esc/git-big-picture',
license = 'GPL v3 or later',
scripts = ['git-big-picture'],
)
git-big-picture-master/test.cram 0000775 0000000 0000000 00000007120 12234521273 0017171 0 ustar 00root root 0000000 0000000 #!/usr/bin/env cram
# vim: set syntax=cram :
# This file is part of git-big-picture
#
# Copyright (C) 2012 Valentin Haenel
#
# git-big-picture 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 of the License, or
# (at your option) any later version.
#
# git-big-piture 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 git-big-picture. If not, see .
Cram (http://pypi.python.org/pypi/cram) tests for git-big-picture
No repo
$ git-big-picture
fatal: '/tmp/cramtests-.{6}/test.cram' is probably not a Git repository (re)
[10]
create a fake repo and export vars
$ git init -q
$ git commit -q --allow-empty -m "foo"
$ export outfile_svg='file.svg'
$ export viewer='true'
$ export stats_file='stats'
run without options
$ git-big-picture .
fatal: Must provide an output option. Try '-h' for more information
[8]
# run plain
# $ git-big-picture -p
# digraph {
# \t"[0-9a-f]{40}"[label="master", color="/pastel13/2", style=filled]; (re) (esc)
# }
mix --graphiz and --processed and others
$ git-big-picture -p -g
fatal: Options '-g | --graphviz' and '-p | --processed' are mutually exclusive.
[7]
$ git-big-picture -g -v $viewer
fatal: Options '-g | --graphviz' and '-p | --processed' are incompatible with other output options.
[7]
$ git-big-picture -p -v $viewer
fatal: Options '-g | --graphviz' and '-p | --processed' are incompatible with other output options.
[7]
$ git-big-picture -g -o $outfile_svg
fatal: Options '-g | --graphviz' and '-p | --processed' are incompatible with other output options.
[7]
$ git-big-picture -p -o $outfile_svg
fatal: Options '-g | --graphviz' and '-p | --processed' are incompatible with other output options.
[7]
try wrong format
$ git-big-picture -p -f foo
fatal: 'dot' terminated prematurely with error code 1;
probably you specified an invalid format, see 'man dot'.
The error from 'dot' was:
>>>Format: "foo" not recognized. Use one of: canon cmap cmapx cmapx_np dot eps fig gd gd2 gif gv imap imap_np ismap jpe jpeg jpg pdf plain plain-ext png ps ps2 svg svgz tk vml vmlz vrml wbmp x11 xdot xlib
[4]
mismatch format, filename takes precedence
$ git-big-picture -f pdf -o $outfile_svg
$ ls
file.svg
$ rm $outfile_svg
$ ls
try just filename
$ git-big-picture -o $outfile_svg
$ ls $outfile_svg
file.svg
$ rm $outfile_svg
$ ls
try using differnt format
$ git-big-picture -o file.pdf
$ ls file.pdf
file.pdf
$ rm file.pdf
$ ls
try no such viewer
$ git-big-picture -f svg -v foo
fatal: Error calling viewer: 'foo':
>>>[Errno 2] No such file or directory
[6]
format but no extension
$ git-big-picture -f svg -o file
warning: Filename had no suffix, using format: svg
$ ls
file.svg
$ rm $outfile_svg
$ ls
provide filename and viewer
$ git-big-picture -o $outfile_svg -v $viewer
$ ls
file.svg
$ rm $outfile_svg
$ ls
provide filename and viewer and format
$ git-big-picture -f png -o file -v $viewer
warning: Filename had no suffix, using format: png
$ ls
file.png
$ rm file.png
$ ls
try profiling
$ git-big-picture --pstats=$stats_file -o $outfile_svg
$ ls $stats_file
stats
$ rm $stats_file $outfile_svg
$ ls
git-big-picture-master/test.py 0000775 0000000 0000000 00000026435 12234521273 0016711 0 ustar 00root root 0000000 0000000 #!/usr/bin/env nosetests
# -*- coding: utf-8 -*-
#
# This file is part of git-big-picture
#
# Copyright (C) 2010 Sebastian Pipping
# Copyright (C) 2010 Julius Plenz
# Copyright (C) 2010-12 Valentin Haenel
#
# git-big-picture 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 of the License, or
# (at your option) any later version.
#
# git-big-picture 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 git-big-picture. If not, see .
import os
import tempfile as tf
import shutil as sh
import unittest as ut
import git_big_picture as gbp
import shlex
debug=False
# The only reason these global commands work, is because we change the cwd of
# the test script... ugly.
def dispatch(command_string):
return gbp.get_command_output(shlex.split(command_string))
def tag(sha1, tag_name):
dispatch('git tag %s %s' % (tag_name, sha1))
def get_head_sha():
return dispatch('git rev-parse HEAD').rstrip()
def empty_commit(mess):
dispatch('git commit --allow-empty -m %s' % mess)
return get_head_sha()
def print_dict(dict_):
for (k, v) in dict_.iteritems():
print k, v
class TestGitTools(ut.TestCase):
def setUp(self):
""" Setup testing environment.
Create temporary directory, initialise git repo, and set some options.
"""
self.testing_dir = tf.mkdtemp(prefix='gbp-testing-', dir="/tmp")
if debug:
print self.testing_dir
self.oldpwd = os.getcwd()
os.chdir(self.testing_dir)
dispatch('git init')
dispatch('git config user.name git-big-picture')
dispatch('git config user.email git-big-picture@example.org')
def tearDown(self):
""" Remove testing environment """
if not debug:
sh.rmtree(self.testing_dir)
os.chdir(self.oldpwd)
@property
def graph(self):
return gbp.graph_factory(self.testing_dir)
def test_find_roots(self):
def create_root(branch_name):
dispatch('git read-tree --empty')
new_tree = dispatch('git write-tree').strip()
new_commit = dispatch('git commit-tree %s -m empty' %
new_tree).strip()
dispatch('git branch %s %s' % (branch_name, new_commit))
return new_commit
a = empty_commit('a')
b = empty_commit('b')
graph = self.graph
self.assertEqual(graph.roots, [a])
c = create_root('C')
graph = self.graph
self.assertEqual(set(graph.roots), set([a, c]))
d = create_root('D')
graph = self.graph
self.assertEqual(set(graph.roots), set([a, c, d]))
e = create_root('E')
graph = self.graph
self.assertEqual(set(graph.roots), set([a, c, d, e]))
def filter_roots(self):
a = empty_commit('a')
b = empty_commit('b')
graph = self.graph
filterd_graph = graph.filter(roots=True)
expected_parents = {
a: set(),
b: set((a,)),
}
self.assertEqual(expected_parents, filterd_graph.parents)
def test_find_merges_bifurcations(self):
""" Check that finding merges and bifurcations works.
master other
| |
A---B---D
\ /
--C--
"""
a = empty_commit('a')
b = empty_commit('b')
dispatch('git checkout -b other HEAD^')
c = empty_commit('c')
dispatch('git merge master')
d = get_head_sha()
graph = self.graph
self.assertEqual(set(graph.merges), set([d]))
self.assertEqual(set(graph.bifurcations), set([a]))
def test_get_parent_map(self):
""" Check get_parent_map() works:
master other
| |
A---B---D
\ /
--C--
"""
a = empty_commit('a')
b = empty_commit('b')
dispatch('git checkout -b other HEAD^')
c = empty_commit('c')
dispatch('git merge --no-ff master')
d = get_head_sha()
expected_parents = {
a: set(),
b: set((a,)),
c: set((a,)),
d: set((c, b)),
}
self.assertEqual(gbp.Git(self.testing_dir).get_parent_map(),
expected_parents)
def test_filter_one(self):
""" Remove a single commit from between two commits.
A---B---C
| |
one master
No ref pointing to B, thus it should be removed.
"""
a = empty_commit('A')
dispatch('git branch one')
b = empty_commit('B')
c = empty_commit('C')
graph = self.graph
filterd_graph = graph.filter()
expected_reduced_parents = {
a: set(),
c: set((a,)),
}
self.assertEqual(expected_reduced_parents, filterd_graph.parents)
def test_filter_with_tags(self):
""" Remove three commits and root commit
A---B---C---D---E---F
| |
0.1 master
"""
a = empty_commit('A')
b = empty_commit('B')
dispatch('git tag 0.1')
c = empty_commit('C')
d = empty_commit('D')
e = empty_commit('E')
f = empty_commit('F')
graph = self.graph
# use the defaults
filterd_graph = graph.filter()
expected_reduced_parents = {
a: set(),
b: set((a,)),
f: set((b,)),
}
self.assertEqual(expected_reduced_parents, filterd_graph.parents)
filterd_graph = graph.filter(roots=False)
expected_reduced_parents = {
b: set(),
f: set((b,)),
}
self.assertEqual(expected_reduced_parents, filterd_graph.parents)
filterd_graph = graph.filter(tags=False)
expected_reduced_parents = {
a: set(),
f: set((a,)),
}
self.assertEqual(expected_reduced_parents, filterd_graph.parents)
def test_no_commit_tags(self):
""" Test for tree-tag and a blob-tag.
"""
a = empty_commit('A')
f = open('foo', 'w')
f.writelines('bar')
f.close()
blob_hash = dispatch('git hash-object -w foo').rstrip()
dispatch('git tag -m "blob-tag" blob-tag ' + blob_hash)
os.mkdir('baz')
f = open('baz/foo', 'w')
f.writelines('bar')
f.close()
dispatch('git add baz/foo')
tree_hash = dispatch('git write-tree --prefix=baz').rstrip()
dispatch('git tag -m "tree-tag" tree-tag ' + tree_hash)
dispatch('git reset')
graph = self.graph
filterd_graph = graph.filter()
expected_reduced_parents = {
blob_hash: set(),
tree_hash: set(),
a: set(),
}
self.assertEqual(expected_reduced_parents, filterd_graph.parents)
def test_parent_of_parent_loop(self):
""" Test the case, where an alternative route may lead to a parents
parent.
0.1 0.2 master
| | |
A---B---C---D---E---F
\ /
--G--
0.1 0.2 master
| | |
A---D---F
\ /
------
"""
a = empty_commit('A')
tag(a, '0.1')
b = empty_commit('B')
c = empty_commit('C')
d = empty_commit('D')
tag(d, '0.2')
e = empty_commit('E')
dispatch('git checkout -b topic %s' % c)
g = empty_commit('G')
dispatch('git checkout master')
dispatch('git merge topic')
f = get_head_sha()
dispatch('git branch -d topic')
graph = self.graph
filterd_graph = graph.filter()
expected_reduced_parents = {
d: set((a,)),
a: set(),
f: set((a, d,)),
}
self.assertEqual(expected_reduced_parents, filterd_graph.parents)
def test_expose_multi_parent_bug(self):
""" Test for a peculiar bug that used to exist in pruning the graph.
Before:
A---B---C---D---E---F master
| | \ /
0.0 0.1 N---O---P topic
After:
0.0---0.1---master
\ /
topic
"""
a = empty_commit('A')
tag(a, '0.0')
b = empty_commit('B')
tag(b, '0.1')
c = empty_commit('C')
d = empty_commit('D')
e = empty_commit('E')
dispatch('git checkout -b topic %s' % c)
n = empty_commit('N')
o = empty_commit('O')
p = empty_commit('P')
dispatch('git checkout master')
dispatch('git merge topic')
f = get_head_sha()
graph = self.graph
filterd_graph = graph.filter()
expected_reduced_parents = {
b: set((a,)),
a: set(),
f: set((p, b,)),
p: set((b,)),
}
print "a", a
print "b", b
print "p", p
print "f", f
print dispatch("git log --oneline %s..%s" % (f, p))
print_dict(expected_reduced_parents)
print_dict(graph.parents)
self.assertEqual(expected_reduced_parents, filterd_graph.parents)
def more_realistic(self):
""" Test a slightly larger DAG
input:
0.1.1 0.1.2
| |
0.0 G---H---I---J---K---L---M maint
| /
A---B---C---D---E---F master
| \ /
0.1 N---O---P topic
output:
0.1.1---0.1.2---maint
/
0.0---0.1---master
\ /
topic
"""
a = empty_commit('A')
tag(a, '0.0')
b = empty_commit('B')
tag(b, '0.1')
c = empty_commit('C')
d = empty_commit('D')
e = empty_commit('E')
dispatch('git checkout -b maint %s' % b)
g = empty_commit('G')
h = empty_commit('H')
tag(h, '0.1.1')
i = empty_commit('I')
j = empty_commit('J')
tag(j, '0.1.2')
k = empty_commit('K')
l = empty_commit('L')
m = empty_commit('M')
dispatch('git checkout -b topic %s' % c)
n = empty_commit('N')
o = empty_commit('O')
p = empty_commit('P')
dispatch('git checkout master')
dispatch('git merge topic')
f = get_head_sha()
graph = self.graph
filterd_graph = graph.filter()
expected_reduced_parents = {
m: set((j,)),
j: set((h,)),
h: set((b,)),
b: set((a,)),
a: set(),
f: set((p, b,)),
p: set((b,)),
}
print_dict(expected_reduced_parents)
print_dict(graph.parents)
self.assertEqual(expected_reduced_parents, filterd_graph.parents)