How Does Contributors' Involvement Influence the Build Status of an Open-Source Software Project?

D0270498e20bd573441f1f48f2e425cf?s=47 Gustavo Pinto
January 14, 2018
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How Does Contributors' Involvement Influence the Build Status of an Open-Source Software Project?

D0270498e20bd573441f1f48f2e425cf?s=128

Gustavo Pinto

January 14, 2018
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  1. 1.

    Marcel Rebouças How Does Contributors’ Involvement Influence the Build Status

    of an Open-Source Software Project? Renato Olivera Gustavo Pinto Fernando Castor mscr@cin.ufpe.br ros3@cin.ufpe.br gpinto@ufpa.br castor@cin.ufpe.br
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    Motivation (1/3) Casual contributors represent a large part of the

    OSS community (49%) and their contributions are far from trivial.
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    They have little or no prior knowledge on the project

    domain Casual Contributors They might put more effort to create their first pull- request
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    Methodology TravisTorrent TravisCI CI Build Data Commiter Data Dataset Dataset

    without duplicated users User Disambiguation Technique Data Cleaning Dataset with 1,074 curated projects Data Processing Data Statistical Tests
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    Data Overview # Users 0 5000 10000 15000 20000 Builds

    1 2 3 4 5+ 0 150000 300000 450000 600000 Casual Non-Casual 1,074 projects 35,360 users 619,370 builds # Builds
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    Results 0 250 500 750 1000 No difference Higher Casual

    Success Lower Casual Success Being a casual contributor is not a strong indicator for creating failing builds # Number of Projects
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    0 22.5 45 67.5 90 0 1.15 2.3 3.45 4.6

    Results Casual contributions are smaller, both in modified source-code lines and modified files Median of Modified LoC Median of Modified Files
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    0 1.15 2.3 3.45 4.6 No difference Higher Casual Success

    Lower Casual Success Results Projects in which casuals fail more than non-casuals run more jobs per build. Median of jobs per build
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