"May the fork be with you": novel metrics to analyze collaboration on GitHub

Marco Biazzini 1 Benoit Baudry 1
1 DiverSe - Diversity-centric Software Engineering
Inria Rennes – Bretagne Atlantique , IRISA-D4 - LANGAGE ET GÉNIE LOGICIEL
Abstract : Multi–repository software projects are becoming more and more popular, thanks to web–based facilities such as GitHub. Code and process metrics generally assume a single reposi-tory must be analyzed, in order to measure the characteris-tics of a codebase. Thus they are not apt to measure how much relevant information is hosted in multiple repositories contributing to the same codebase. Nor can they feature the characteristics of such a distributed development pro-cess. We present a set of novel metrics, based on an original classification of commits, conceived to capture some interest-ing aspects of a multi–repository development process. We also describe an efficient way to build a data structure that allows to compute these metrics on a set of Git reposito-ries. Interesting outcomes, obtained by applying our metrics on a large sample of projects hosted on GitHub, show the usefulness of our contribution.
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Marco Biazzini, Benoit Baudry. "May the fork be with you": novel metrics to analyze collaboration on GitHub. Proceedings of the 5th International Workshop on Emerging Trends in Software Metrics (WETSoM 2014), Jun 2014, Hyderabad, India. pp.37 - 43, ⟨10.1145/2593868.2593875⟩. ⟨hal-01085400⟩

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