Research Artifact: Dockerfile Meta-Maintenance for Updating Multiple Version-Pinned Packages

This is a research artifact for the paper "Dockerfile Meta-Maintenance for Updating Multiple Version-Pinned Packages". This artifact is a data repository including a list of studied 7,914 repositories on GitHub, 17,139 dockerfiles, 363 repositories containing comparable package sets, and 335 repositories that provide the packages included in the identified 385 package sets.本研究制品对应论文《面向多版本锁定包更新的Dockerfile元维护》（Dockerfile Meta-Maintenance for Updating Multiple Version-Pinned Packages）。该制品为数据集仓库，包含以下内容：经研究的GitHub仓库7914个、Dockerfile文件17139份、包含可比包集合的仓库363个，以及可提供已识别的385个包集合中所含软件包的仓库335个。