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Quick remedy commits and their impact on mining software repositories
Fengcai Wen1, Csaba Nagy1, Michele Lanza1
1Software Institute, USI Università della Svizzera italiana, Lugano, Switzerland.
Empirical Software Engineering
|November 8, 2021
Summary
Developers often omit changes, leading to bugs. This study defines "quick remedy commits" as fixes for these omissions, creating a taxonomy to improve software maintenance and mining accuracy.
Area of Science:
- Software Engineering
- Software Maintenance and Evolution
Background:
- Software changes are rarely atomic, often involving multiple related code modifications.
- Omitted changes during software evolution can lead to technical debt and bugs.
Purpose of the Study:
- Investigate "quick remedy commits" used to address changes omitted in prior commits.
- Develop a taxonomy of omitted software changes to aid tool development and research.
Main Methods:
- Manual analysis of 500 "quick remedy commits".
- Definition of a taxonomy categorizing omitted change types.
Main Results:
- Identified categories of omitted changes, including "reverted commits" (changes undone in subsequent commits).
- Demonstrated that ignoring reverted commits can introduce significant noise (0.07-0.27 data points) in software repository mining tasks.
Conclusions:
- The proposed taxonomy aids in detecting omitted changes and handling edge cases in software evolution research.
- Accurate accounting for all commit types, including reverted ones, is crucial for reliable software repository mining.
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