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software version control visualization
Copyright (C) 2009 Andrew Caudwell
1. Description
2. Requirements
3. Using Gource
4. 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
2. Requirements
Gource's display is rendered using OpenGL and requires a 3D accelerated video
card to run.
3. Using Gource
gource [options] [path]
-h, --help
Help ('-H' for extended help).
Set the viewport size. If -f is also supplied, will attempt to set
the video mode to this also. Add ! to make the window non-resizable.
--screen SCREEN
Set the number of the screen to display on.
--window-position XxY
Initial window position on your desktop which may be made up of
multiple monitors.
This will override the screen setting so don't specify both.
Frameless window.
-f, --fullscreen
-w, --windowed
Make the background transparent. Only really useful for screenshots.
--start-date "YYYY-MM-DD hh:mm:ss +tz"
Start with the first entry after the supplied date and optional time.
If a time zone offset isn't specified the local time zone is used.
Example accepted formats:
"2012-06-30 12:00"
"2012-06-30 12:00:00 +12"
--stop-date "YYYY-MM-DD hh:mm:ss +tz"
Stop after the last entry prior to the supplied date and optional time.
Uses the same format as --start-date.
-p, --start-position POSITION
Begin at some position in the log (between 0.0 and 1.0 or 'random').
--stop-position POSITION
Stop (exit) at some position in the log (does not work with STDIN).
-t, --stop-at-time SECONDS
Stop (exit) after a specified number of seconds.
Stop (exit) at the end of the log / stream.
Loop back to the start of the log when the end is reached.
Seconds to delay before looping.
-a, --auto-skip-seconds SECONDS
Skip to next entry if nothing happens for a number of seconds.
-s, --seconds-per-day SECONDS
Speed of simulation in seconds per day.
Realtime playback speed.
Use the time of the last commit if the time of a commit is in the past.
-c, --time-scale SCALE
Change simulation time scale.
-i, --file-idle-time SECONDS
Time in seconds files remain idle before they are removed or 0
for no limit.
-e, --elasticity FLOAT
Elasticity of nodes.
-b, --background-colour FFFFFF
Background colour in hex.
--background-image IMAGE
Set a background image.
--logo IMAGE
Logo to display in the foreground.
--logo-offset XxY
Offset position of the logo.
--title TITLE
Set a title.
--font-file FILE
Specify the font. Should work with most font file formats supported by FreeType, such as TTF and OTF, among others.
--font-size SIZE
Font size used by the date and title.
--font-colour FFFFFF
Font colour used by the date and title in hex.
Show file extension key.
--date-format FORMAT
Specify display date string (strftime format).
--log-command VCS
Show the VCS log command used by gource (git,svn,hg,bzr,cvs2cl).
--log-format VCS
Specify the log format (git,svn,hg,bzr,cvs2cl,custom).
Required when reading from STDIN.
Get the git log of a branch other than the current one.
--follow-user USER
Have the camera automatically follow a particular user.
Highlight the names of all directories.
--highlight-user USER
Highlight the names of a particular user.
Highlight the names of all users.
--highlight-colour FFFFFF
Font colour for highlighted users in hex.
--selection-colour FFFFFF
Font colour for selected users and files.
--filename-colour FFFFFF
Font colour for filenames.
--dir-colour FFFFFF
Font colour for directories.
--dir-name-depth DEPTH
Draw names of directories down to a specific depth in the tree.
--dir-name-position FLOAT
Position along edge of the directory name
(between 0.1 and 1.0, default is 0.5).
--filename-time SECONDS
Duration to keep filenames on screen (>= 2.0).
Show filename extensions only.
Use filename as extension if the extension is missing or empty.
--file-filter REGEX
Filter out file paths matching the specified regular expression.
--file-show-filter REGEX
Show only file paths matching the specified regular expression.
--user-filter REGEX
Filter usernames matching the specified regular expression.
--user-show-filter REGEX
Show only usernames matching the 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.
Colourize user images.
--crop AXIS
Crop view on an axis (vertical,horizontal).
--padding FLOAT
Camera view padding.
Enable multi-sampling.
Disable vsync.
--bloom-multiplier FLOAT
Adjust the amount of bloom.
--bloom-intensity FLOAT
Adjust the intensity of the bloom.
--max-files NUMBER
Set the maximum number of files or 0 for no limit.
Excess files will be discarded.
--max-file-lag SECONDS
Max time files of a commit can take to appear.
Use -1 for no limit.
--max-user-speed UNITS
Max speed users can travel per second.
--user-friction SECONDS
Time users take to come to a halt.
--user-scale SCALE
Change scale of user avatars.
--camera-mode MODE
Camera mode (overview,track).
Disable automatic camera rotation.
Disable keyboard and mouse input.
Hide one or more display elements from the list below:
bloom - bloom effect
date - current date
dirnames - names of directories
files - file icons
filenames - names of files
mouse - mouse cursor
progress - progress bar widget
root - root directory of tree
tree - animated tree structure
users - user avatars
usernames - names of users
Separate multiple elements with commas (eg "mouse,progress")
--hash-seed SEED
Change the seed of hash function.
--caption-file FILE
Caption file (see Caption Log Format).
--caption-size SIZE
Caption size.
--caption-colour FFFFFF
Caption colour in hex.
--caption-duration SECONDS
Caption duration.
--caption-offset X
Caption horizontal offset (0 to centre captions).
-o, --output-ppm-stream FILE
Output a PPM image stream to a file ('-' for STDOUT).
This will automatically hide the progress bar initially and
enable 'stop-at-end' unless other behaviour is specified.
-r, --output-framerate FPS
Framerate of output (25,30,60). Used with --output-ppm-stream.
--output-custom-log FILE
Output a custom format log file ('-' for STDOUT).
--load-config CONFIG_FILE
Load a gource conf file.
--save-config CONFIG_FILE
Save a gource conf file with the current options.
--path PATH
path Either a supported version control directory, a pre-generated log
file (see log commands or the custom log format), a Gource conf
file or '-' to read STDIN.
If path is omitted, gource will attempt to read a log from the
current directory.
Git, Bazaar, Mercurial and SVN Examples:
View the log of the repository in the current path:
View the log of a project in the specified directory:
gource my-project-dir
For large projects, generating a log of the project history may take a long
time. For centralized VCS like SVN, generating the log may also put load on
the central VCS server.
In these cases, you may like to save a copy of the log for later use.
You can generate a log in the VCS specific log format using
the --log-command VCS option:
cd my-svn-project
`gource --log-command svn` > my-svn-project.log
gource my-svn-project.log
You can also have Gource write a copy of the log file in its own format:
gource --output-custom-log my-project-custom.log
CVS Support:
Use 'cvs2cl' to generate the log and then pass it to Gource:
cvs2cl --chrono --stdout --xml -g-q > my-cvs-project.log
gource my-cvs-project.log
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 - initial 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.
Caption Log Format:
Gource can display captions along the timeline by specifying a caption file
(using --caption-file) in the pipe ('|') delimited format below:
timestamp - A unix timestamp of when to display the caption.
caption - The caption
Recording Videos:
See the guide on the homepage for examples of recording videos with Gource:
More Information:
Visit the Gource homepage for guides and examples of using Gource with various
version control systems:
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
Pressing SPACE at any time will pause/resume 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 Middle mouse button.
You can drag the left mouse button to manually control the camera. The right
mouse button rotates the view.
Interactive keyboard commands:
(V) Toggle camera mode
(C) Displays Gource logo
(K) Toggle file extension key
(M) Toggle mouse visibility
(N) Jump forward in time to next log entry
(S) Randomize colours
(D) Toggle directory name display mode
(F) Toggle file name display mode
(U) Toggle user name display mode
(G) Toggle display of users
(T) Toggle display of directory tree edges
(R) Toggle display of root directory edges
(+-) Adjust simulation speed
(<>) Adjust time scale
(TAB) Cycle through visible users
(F12) Screenshot
(Alt+Enter) Fullscreen toggle
(ESC) Quit
4. Copyright
Gource - software version control visualization
Copyright (C) 2009 Andrew Caudwell <>
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
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 <>.
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