devtalk: extending open source projects

Extending Open Source Projects

Geoff NicolPrincipal Architect

Perforce

John PalmerTechnical Sales Engineer

Perforce



Overview Background Our Approach Supporting Automation Required Community Traits Q&A

Why do we need to worry about this?


GitSwarmHow’d we find ourselves in this situation?


Our Approach


Approach Don’t touch their files! Unless you have to Runtime extension


Don’t touch their files!


InPlace Extension


● Extend They have Foo We extend to OurFoo Noone uses OurFoo


Prepend

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Runtime Extension


Other Extensions Gems Database Migrations Views CSS/Sass JS/CoffeeScript Tests/RSpec/Spinach


Automation


Importing from Community


Test Automation


Merge Automation


Resolve Automation


Community Traits


Community Traits Extensible Language/Framework Small Methods Community Tests Active Receptive to Change


Recap! Programatic Extension Automate! Verify Community/Project Suitability


THANK YOU!

Geoff Nicol

[email protected]


Technology