Mac file cleaner open source code#
Currently implemented for Objective-C, Swift, and Java programs, open source contributors may want to apply Piranha to other languages or improve on its ability to perform deep code refactorings. We believe Piranha offers great utility for organizations that use feature flags in their app deployments, and so have open sourced it.
Mac file cleaner open source android#
We run Piranha at Uber in an ongoing pipeline for our Android and iOS codebases, and have used it to remove around two thousand stale feature flags and their related code. Seeking to automate this process, we developed Piranha, a tool that scans source code to delete code related to stale, or obsolete, feature flags, leading to a cleaner, safer, more performant, and more maintainable code base. Removing this debt can be time-intensive for our engineers, preventing them from working on newer features. These nonfunctional feature flags represent technical debt, making it difficult for developers to work on the codebase, and can bloat our apps, requiring unnecessary operations that impact performance for the end user and potentially impact overall app reliability.
However, after a feature has either been 100 percent rolled out to our users or an experimental feature has been deemed unsuccessful, the feature flag in the code becomes obsolete. These flags allow us to, for example, localize the user’s experience in different regions where we operate and, more importantly, to gradually roll-out features to our users and experiment with different variations of the same functionality.
At Uber, we use feature flags to customize our mobile app execution, serving different features to different sets of users.
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