US Patent 10963244 Commit reversion detection

Methods, systems, and apparatus, including computer programs encoded on computer storage media, for discounting source code contributions occurring in reverted commits. One of the methods includes identifying, in a time-ordered sequence of commits, one or more matching sequences of additions and deletions of the files which have the same file path, comprising. A value for a contribution metric is computed for a responsible developer entity including discounting portions of the metric resulting from additions and deletions in any of the identified matching sequence of additions and deletions for the files having the same file path.