pax_global_header00006660000000000000000000000064122345212730014513gustar00rootroot0000000000000052 comment=3b3ab5ef132eea21ea24a6386ef1125791a9e756 git-big-picture-master/000077500000000000000000000000001223452127300153435ustar00rootroot00000000000000git-big-picture-master/COPYING000066400000000000000000001045131223452127300164020ustar00rootroot00000000000000 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 software and other kinds of works. The licenses for most software and other practical works are designed to take away your freedom to share and change the works. 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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.rst000066400000000000000000000266471223452127300170510ustar00rootroot00000000000000git-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-picture000077500000000000000000000776741223452127300203110ustar00rootroot00000000000000#!/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 $PATH:\n>>>%s" % e, EXIT_CODES["no_git"]) if opts.pstats_outfile is not None: import cProfile debug("Running in profiler, output is: '%s'" % opts.pstats_outfile) cProfile.run('main(opts, args)', opts.pstats_outfile) else: main(opts, args) git-big-picture-master/git_big_picture.py000077700000000000000000000000001223452127300237652git-big-pictureustar00rootroot00000000000000git-big-picture-master/screenshots/000077500000000000000000000000001223452127300177035ustar00rootroot00000000000000git-big-picture-master/screenshots/after.png000066400000000000000000000501651223452127300215210ustar00rootroot00000000000000PNG  IHDRbbKGD IDATxwEǟz]rXAPD9x z9 yFp)"" Q$䰙iNaY6Ly;UOoꩪR 30&$C `Bb0D@&!8vz"G #r2"s0!1`: 5v^cVl[lpҩ+J)}>BF2R N-V9"C),Jl4L@) "+@P)PB$(C  ]1!1āR4YK l(EDD*(4JYVSE+eLH pBqDo)y(Dg 5PUlHZ)ro-[ *z Hx  기 '_&$F0Z٥Ƽr P@"mNaG .FB}qK:ԙMSe).k] JuinaOW-E.,y׵h>@/. 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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.cram000077500000000000000000000071201223452127300171710ustar00rootroot00000000000000#!/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.py000077500000000000000000000264351223452127300167110ustar00rootroot00000000000000#!/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)