Code diffs and commit messages from top1000-2000 Java projects in GitHub

This dataset contains pairs &lt;code changes, commit message&gt; from top 1000-2000 Java projects in GitHub via GitHub Developer API. The structure of files is as follows: &lt;repository-id&gt;.&lt;repository-name&gt;/ # Each directory contains commits of one project. &lt;commit-id&gt;.&lt;commit-sha&gt;/ # Each directory contains one commit information, and<br> # the commit-sha is the primary key of this commit in GitHub. <br> # The children in this directory have 3 types: the file<br> # "commit_msg", multiple directories "&lt;filename&gt;", and the file<br> # "error". commit_msg # This file contains one line, representing the commit<br> # message. &lt;filename&gt;/ # The name of this directory is the changed file name. patch # The code diffs of this &lt;filename&gt;, describing<br> # which lines are added and which lines are<br> # removed with some same lines context. &lt;filename&gt;/ patch error # This file contains the error message when crawling<br> # from GitHub. If this file exists, the directories<br> # &lt;filename&gt; will not exist.