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Visualizing Multiple Repositories
visualizing multiple repositories at once with Gource
Sometimes it may be interesting to show the history of multiple projects in the same Gource animation. For instance: development activity in sub modules used by a project, multiple projects worked on by the same developers / company, or maybe different forks of a project.
There are lots of possibilities.
You can create a multiple repository visualization using the following shell commands:
Generate a Gource custom log files for each repository using the --output-custom-log FILE option:
gource --output-custom-log log1.txt repo1 gource --output-custom-log log2.txt repo2 ...
(optional) If you want each repo to appear on a separate branch instead of merged onto each other (which might also look interesting), you can use a 'sed' regular expression to add an extra parent directory to the path of the files in each project:
sed -i -r "s#(.+)\|#\1|/repo1#" log1.txt
(note: sed -i does an in-place replacement on the file)
Join the logs together, and sort them numerically by the first column (the time):
cat log1.txt log2.txt | sort -n > combined.txt
Feed result into gource:
You can also add the --hide-root option to not connect the top level directories to make them look more distinct.