Which Change Sets in Git Repositories Are Related?

Jasmin Ramadani, S. Wagner
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引用次数: 1

Abstract

Software repositories contain valuable information about the history of software changes. Using data mining, researchers have identified file changes that happened together frequently to present hints for necessary changes to developers. However, not all file change sets are related. This can affect the recommendations about coupled file changes negatively by delivering irrelevant couplings to the developers. The commit time and branching characteristics of Git have not been investigated together in previous heuristics for grouping related change sets. We exploit the mappings between commit messages and issue ids for judging the relatedness of change sets. We propose a heuristic for Git and investigate the influence of two factors, the time between the commits and their branching on the relatedness of change sets using the repositories of five open-source systems using logistic regression. According to our findings, the combination of these two factors influences the relatedness of change sets. Individually measured, only the time significantly influences the relatedness, the branching itself does not. Our results support previous heuristic that also in Git repositories the commit time is important for grouping related change sets.
Git存储库中的哪些变更集是相关的?
软件存储库包含关于软件变更历史的有价值的信息。通过使用数据挖掘,研究人员可以识别经常同时发生的文件更改,从而为开发人员提供必要更改的提示。但是,并不是所有的文件更改集都是相关的。通过向开发人员提供不相关的耦合,这可能会对有关耦合文件更改的建议产生负面影响。在之前对相关更改集进行分组的启发式方法中,Git的提交时间和分支特征并没有一起研究。我们利用提交消息和问题id之间的映射来判断更改集的相关性。我们为Git提出了一个启发式方法,并使用逻辑回归研究了两个因素的影响,即提交之间的时间及其分支对使用五个开源系统的存储库的更改集相关性的影响。根据我们的研究结果,这两个因素的组合影响了变化集的相关性。单独测量,只有时间显著影响亲缘关系,分支本身没有。我们的结果支持之前的启发,即在Git存储库中,提交时间对于分组相关的更改集很重要。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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