Historef: A Tool forEdit History Refactoring

Ritsumeikan UniversityJapan

Takayuki Omori,Katsuhisa Maruyama

Tokyo Institute of TechnologyJapan

Shinpei Hayashi, Daiki Hoshino,Jumpei Matsuda, Motoshi Saeki

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Historef

History Refactoring

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History of Code Changes

Commit

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Tangled Changes

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Tangled Changes

Commit

History Refactoring

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Refactor

Commit

Historef: How It Works

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HISTREF

Eclipse

jGit

Changes

Gitrepository

Commit

Refactor history

Edit history

Edit code

Edit recorderEdit Recordere.g., OPERATIONRECORDER

Developer

Historef: An Example

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Invoked changesObtained using OperationRecorder, Fluorite, etc.Groups / Switching UI

History refactoring commands

Before / After Refactoring

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Find OurPoster!

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Credits

Human evolution– http://commons.wikimedia.org/wiki/File:Human_evol

ution.svg