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Publication Detail
Cohesive and isolated development with branches
  • Publication Type:
  • Authors:
    Barr ET, Bird C, Rigby PC, Hindle A, German DM, Devanbu P
  • Publisher:
    Springer Verlag
  • Publication date:
  • Place of publication:
    Berlin/ Heidelberg, Germany
  • Pagination:
    316, 331
  • Published proceedings:
    Fundamental Approaches to Software Engineering: 15th International Conference, FASE 2012, Held as Part of the European Joint Conferences on Theory and Practice of Software, ETAPS 2012, Tallinn, Estonia, March 24 - April 1, 2012. Proceedings
  • Volume:
    7212 LNCS
  • Series:
    Lecture Notes in Computer Science
  • Editors:
    de Lara J,Zisman A
  • ISBN-13:
  • Status:
  • Name of conference:
    15th International Conference, FASE 2012
  • Conference place:
    Tallinn, Estonia
  • Conference start date:
  • Conference finish date:
  • Print ISSN:
  • Language:
The adoption of distributed version control (DVC ), such as Git and Mercurial, in open-source software (OSS) projects has been explosive. Why is this and how are projects using DVC? This new generation of version control supports two important new features: distributed repositories and histories that preserve branches and merges. Through interviews with lead developers in OSS projects and a quantitative analysis of mined data from the histories of sixty project, we find that the vast majority of the projects now using DVC continue to use a centralized model of code sharing, while using branching much more extensively than before their transition to DVC. We then examine the Linux history in depth in an effort to understand and evaluate how branches are used and what benefits they provide. We find that they enable natural collaborative processes: DVC branching allows developers to collaborate on tasks in highly cohesive branches, while enjoying reduced interference from developers working on other tasks, even if those tasks are strongly coupled to theirs.
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