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Gource
software version control visualization
Copyright (C) 2009 Andrew Caudwell
http://gource.googlecode.com/
Contents
========
1. Description
2. Requirements
3. Installation
4. Using Gource
5. Building Gource
6. Changes
7. Copyright
1. Description
===============
OpenGL-based 3D visualisation tool for source control repositories.
The repository is displayed as a tree where the root of the repository is the centre, directories are branches
and files are leaves. Contributors to the source code appear and disappear as they contribute to specific files
and directories.
2. Requirements
===============
Gource's display is rendered using OpenGL and requires a 3D accelerated video card to run.
3. Installation
===============
You can either build Gource from scratch or install a pre-compiled binary version from the homepage (recommended).
4. Using Gource
===============
gource <options> <path>
options:
-f Fullscreen
-WIDTHxHEIGHT
Set the window size. If -f is also supplied, will attempt to set the video mode to this also.
-p, --start-position POSITION
Begin at some position in the log (between 0.0 and 1.0).
--stop-position POSITION
Stop at some position.
--stop-on-idle
Stop on break in activity. May be combined with --stop-position.
--date-format FORMAT
Specify date format string
-a, --auto-skip-seconds SECONDS
Automatically skip to next entry if nothing happens for a specified number of seconds.
-s, --seconds-per-day SECONDS
Speed of simulation in seconds per day.
-i, --file-idle-time SECONDS
Time in seconds files remain idle before they are removed.
-e, --elasticity FLOAT
Elasticity of nodes.
-b, --background FFFFFF
Background colour in hex.
--loop
Loop back to the start of the log when the end is reached.
--log-format FORMAT
Specify format of the log being read (git,cvs,custom). Required when reading STDIN.
--git-branch
Get the git log of a branch other than the current one.
--git-log-command
Print the git-log command used by gource.
--cvs-exp-command
Print the cvs-exp.pl log command used by gource.
--follow-user USER
Have the camera automatically follow a particular user.
--highlight-user USER
Highlight the names of a particular user.
--highlight-all-users
Highlight the names of all users.
--file-filter REGEX
Filter out any files matching a specified regular expression.
--user-image-dir DIRECTORY
Directory containing .jpg or .png images of users (eg 'Full Name.png') to use as avatars.
--default-user-image IMAGE
Path of .jpg or .png to use as the default user image.
--colour-images
Colourize user images.
--crop AXIS
Crop view on an axis (vertical,horizontal).
--multi-sampling
Enable multi-sampling.
--disable-progress
Disable progress bar.
--max-files
Set the maximum number of files. Excess files will be discarded.
--max-file-lag SECONDS
Max time files of a commit can take to appear.
--max-user-speed UNITS
Max speed users can travel per second.
--user-friction SECONDS
Time users come to a complete hault.
--user-scale SCALE
Change scale of users.
--hide-users
Hide users.
--hide-usernames
Hide usernames.
--hide-filenames
Hide filenames.
--hide-dirnames
Hide directory names.
--hide-date
Hide the date.
--output-ppm-stream FILE
Write frames as PPM to a file ('-' for STDOUT).
--output-framerate FPS
Framerate of output (used with --output-ppm-stream).
path Either a git directory, a pre-generated log file (see --git-log-command, --cvs-exp-command or the custom
log format) or '-' to read STDIN. If path is ommited gource will attempt to read a git log from the current directory.
Git Examples:
View the log of the Git respository in the current path:
gource
View the log of a Git project in the specified directory:
gource my-project-dir
Save a copy of the log using in a special git-log format and play it back. Use --git-log-command to get the git-log
options you should use:
cd my-git-project
`gource --git-log-command` > my-git-project.log
gource my-git-project.log
NOTE: --git-log-command assumes you have a recent version git of that supports all the options. You may need to modify
the command line to work with an older version (changing %aN to %an for instance).
CVS Support:
You can view a CVS project with gource using the tool cvs-exp (http://www.cs.rice.edu/~ssiyer/code/cvs-exp/) with the
command line specified by the --cvs-exp-command option:
cd my-cvs-project
`gource --cvs-exp-command` > my-cvs-project.log
gource my-cvs-project.log
SVN Support via Git:
SVN is not supported directly, however you could can import your project into a Git repository using the 'git svn' command.
The below insturctions will work if your SVN repository has the standard three directories - trunk, tags and branches
(Otherwise, see the 'git svn' documentation):
git svn init --stdlayout https://myrepo.example.org/svn my-repo.git
cd my-repo.git
git svn fetch
Note that the last command (git svn fetch) can take hours if your repository is large.
You can pull new changes into the Git copy of your SVN repository at any time using the following command:
git svn rebase
Support for Other Systems:
Please check the Gource homepage to see guides for other systems that can be used with Gource, or try using the custom log format.
Custom Log Format:
If you want to use Gource with something other than the supported systems, there is a pipe delimited custom log format:
timestamp - A unix timestamp of when the update occured.
username - The name of the user who made the update.
type - Single character for the update type - (A)dded, (M)odified or (D)eleted.
file - Path of the file updated.
colour - A colour for the file in hex (FFFFFF) format. Optional.
Recording Videos:
You can create a video of Gource using the --output-ppm-stream option. This creates an uncompressed sequence of
screenshots in PPM format which can then be processed by another program (such as ffmpeg) to produce a video file.
The below command line will create a video at 60fps in h264 format (assumes you have ffmpeg with h264 support):
gource --output-ppm-stream - | ffmpeg -y -b 3000K -r 60 -f image2pipe -vcodec ppm -i - gource.h264
Interface:
The time shown in the top left of the screen is set initially from the first log entry read and is incremented
according to the simulation speed (--seconds-per-day).
Pressing SPACE at any time will pause/unpause the simulation. While paused you may use the mouse to inspect the
detail of individual files and users.
TAB cycles through selecting the current visible users.
The camera mode, either tracking activity, or showing the entire code tree, can be toggled using the V key.
Interactive keyboard commands:
(V) Toggle camera mode
(C) Displays Gource logo
(N) Jump forward in time to next log entry.
(+) Increase simulation speed.
(-) Decrease simulation speed.
(TAB) Cycle through visible users
(ESC) Quit
5. Building Gource
==================
The source code to Gource is available from the homepage.
Gource requires the following libraries to compile:
SDL 1.2 (libsdl1.2-dev)
SDL Image 1.2 (libsdl-image1.2-dev)
PCRE3 (libpcre3-dev)
FTGL 2.1.3~rc5-2 (libftgl-dev)
PNG library (libpng12-dev)
JPEG library (libjpeg62-dev)
Building on Linux:
./configure
make
make install
If you are unfamilar with configure see the INSTALL file.
Building on Windows:
On Windows I recommend compiling the project gource.win32.cbp
with the Code Blocks IDE (www.codeblocks.org).
6. Changes
==========
0.16:
* Added --hide-dirnames option.
* Added --user-scale option.
* Fix bug when encountering long log lines.
* Fixed incorrect parsing of trivial merges.
* Fixed building issues on OSX.
0.15:
* Added PPM output support for creating videos (Johannes Schindelin).
* Added experimental Apache combined access log support (--log-format apache).
* Added --stop-position and --stop-on-idle options (useful for making videos).
* Added --max-file-lag option to limit how long after a commit file changes can take to appear.
* Added --no-renames to the git log command as they don't display correctly.
* Added --max-user-speed and --user-friction as options.
* Now builds on OSX Leopard (with the required libaries installed).
* Caught raw exception from replace_invalid().
* Added CXXFLAGS. You may want to override the default (eg CXXFLAGS=-O3 ./configure).
0.14:
* Updated SVN instructions.
0.13:
* Removed single quotes from log command (fixes running gource --git-log-command in back ticks)
* Added SVN instructions.
* Fixed manpage hyphens.
0.12:
* Added --enable-ttf-font-dir=DIR option to configure (to specify the ttf-freefont directory).
* UTF-8 support using UTF8-CPP (http://utfcpp.sourceforge.net/).
* Changed the git log command (see --git-log-command) to require less work to parse.
Log files generated with the previous git-log command used by gource should continue to work.
* Allow --seconds-per-day value less than 1.0.
* Added --git-branch command.
* Added --loop command.
* Added --crop command.
0.11:
* Made N key skip to next entry.
* Documented --user-image-dir flag.
* temp file name now uses uid instead of time
0.1:
* First release.
7. Copyright
============
Gource - software version control visualization
Copyright (C) 2009 Andrew Caudwell <acaudwell@gmail.com>
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 <http://www.gnu.org/licenses/>.
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