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Identifying Redundancies in Fork-based Development

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Fork-based development is popular and easy to use, but makes it difficult to maintain an overview of the whole community when the number of forks increases. This may lead to redundant development where multiple developers are solving the same problem in parallel without being aware of each other. Redundant development wastes effort for both maintainers and developers. In this paper, we designed an approach to identify redundant code changes in forks as early as possible by extracting clues indicating similarities between code changes, and building a machine learning model to predict redundancies. We evaluated the effectiveness from both the maintainer's and the developer's perspectives. The result shows that we achieve 57-83% precision for detecting duplicate code changes from maintainer's perspective, and we could save developers' effort of 1.9-3.0 commits on average. Also, we show that our approach significantly outperforms existing state-of-art.
Original languageEnglish
Title of host publicationThe 26th IEEE International Conference on Software Analysis Evolution and Reengineering, Hangzhou, China, Februrary 24-27, 2019
PublisherIEEE Press
Publication date2019
ISBN (Print)978-1-7281-0592-5
ISBN (Electronic)978-1-7281-0591-8
DOIs
Publication statusPublished - 2019

ID: 83700875