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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. 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. -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. --realtime Realtime playback speed. -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. --date-format FORMAT Specify display date string (strftime format). --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. --hg-log-command Print the hg log (Mercurial) 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. --bloom-multiplier FLOAT Adjust the amount of bloom. --bloom-intensity FLOAT Adjust the intensity of the bloom. --disable-progress Disable progress bar. --disable-bloom Disable bloom effect. --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-tree Hide tree. --hide-files Hide files. --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 or Mercurial directory, a pre-generated log file (see --git-log-command, --hg-log-command or the custom log format) or '-' to read STDIN. If path is ommited gource will attempt to read a log from the current directory. Git and Mercurial Examples: View the log of the respository in the current path: gource View the log of a project in the specified directory: gource my-project-dir Save a copy of the log using in a special log format and play it back (example is for Git, Mercurial users see --hg-log-command): 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). Other Version Control Systems: Visit the Gource homepage for guides and examples of using Gource with other version control systems: CVS - http://code.google.com/p/gource/wiki/CVS SVN - http://code.google.com/p/gource/wiki/SVN 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 x264 format (assumes you have ffmpeg with x264 support): gource --output-ppm-stream - | ffmpeg -y -b 3000K -r 60 -f image2pipe -vcodec ppm -i - -vcodec libx264 gource.mp4 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. (+-) Adjust simulation speed. (<>) Adjust time scale. (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. Copyright ============ Gource - software version control visualization Copyright (C) 2009 Andrew Caudwell <firstname.lastname@example.org> 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/>.