Sitar-project

This repository contains the artifacts in the Sitar project.

Co-Evolution Samples in Dubbo and Kafka

See the directory dubbo-kafka.

Explaination of files

• dubbo_coevo_patches.txt: Co-evolution patches in Duboo.

• kafka_coevo_patches.txt: Co-evolution patches in Kafka.

• special_dubbo_kafka.txt: uncommon co-evolution patches in Dubbo and Kafka.

Data related to empirical study

The co-evolution change type is already labeled in the text file.

To get the timestamp of commit A (A is SHA1 digest), use the following command in the git repository:

git show -s --format=%cI A

To obtain the number of commits between A and B (A and B are SHA1 digests), use the following command:

git rev-list --count A..B

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Samples with Manual Inspection Results

See the directory co-evolution-samples.

File list

• negative list: Negative sample patches (not co-evolved in 20 days).

• positive list: Positive sample patches (co-evolved in 2 days).

• negative-findings.xlsx: Inspecting results of negative samples.

• positive-findings.xlsx: Inspecting results of positive samples.

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Empirical data

The data used in empirical study is under empirical_data directory. Some repositories do not contain co-evolution changes thus are removed.

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Experiment data

The data used in experiment is under experiment_data directory.