Mobile Developer Experience ➡ Owns the build system, dependency manager, interface with CI ➡ Maintains the (open source) tools used to build the app Scaling CocoaPods @ Square 3
Mobile Developer Experience ➡ Owns the build system, dependency manager, interface with CI ➡ Maintains the (open source) tools used to build the app ➡ Keeps developers as productive as possible Scaling CocoaPods @ Square 3
Mobile Developer Experience ➡ Owns the build system, dependency manager, interface with CI ➡ Maintains the (open source) tools used to build the app ➡ Keeps developers as productive as possible ➡ Cross platform: iOS & Android Scaling CocoaPods @ Square 3
Mobile Developer Experience ➡ Owns the build system, dependency manager, interface with CI ➡ Maintains the (open source) tools used to build the app ➡ Keeps developers as productive as possible ➡ Cross platform: iOS & Android ➡ Develops CocoaPods features Scaling CocoaPods @ Square 3
CocoaPods at home in a monorepo Generating a scratch workspace for a single pod $ pod gen Frameworks/SquareUIComponents --auto-open Describing tests in a podspec Pod::Spec.new do |s| s.test_spec 'Tests' do |ts| ts.source_files = 'Tests/**/*.{h,m}' end end Scaling CocoaPods @ Square 6
Automation Removing the depending on the open-source specs repo $ pod whitelist NAME VERSION Whitelists a (pod, version) tuple for internal Square use Automatically generating pre-built binary pods on CI $ pod bin NAME.podspec [ARTIFACT_REPO_URL] Converts the provided `NAME.podspec` into a binary version. The process includes, installing a sandbox, building the sandbox using release configuration for both device and simulator, packing the output and generate a new podspec that uses `ARTIFACT_REPO_URL` as the source. The generated podspec is also validated. Scaling CocoaPods @ Square 7
CocoaPods Performance ➡ Lots of profiling with rbspy ➡ Resolver refactoring to make graph traversal not take forever ➡ Build setting generation rewrite to memoize everything Scaling CocoaPods @ Square 8
Investment in Monitoring ➡ chronometer to instrument method calls ➡ Log durations to in-house logging system ➡ Roll up into dashboards visible to the entire organization Scaling CocoaPods @ Square 9
Ownership of our Destiny ➡ The team owns our use of CocoaPods, not any individual contributors ➡ No forks, few hacks, no helplessness Scaling CocoaPods @ Square 11
Ownership of our Destiny ➡ The team owns our use of CocoaPods, not any individual contributors ➡ No forks, few hacks, no helplessness ➡ Open Source sharing expertise with therest of the industry Scaling CocoaPods @ Square 11
Continuous Re-Evaluation ➡ Even though we have core contributors, we're open to not using CocoaPods ➡ Taking as many lessons as possible from other tools, such as Buck and Bazel Scaling CocoaPods @ Square 12
Continuous Re-Evaluation ➡ Even though we have core contributors, we're open to not using CocoaPods ➡ Taking as many lessons as possible from other tools, such as Buck and Bazel ➡ CocoaPods is a tool, tools are replaceable. Our expertise is forever. Scaling CocoaPods @ Square 12
CocoaPods: Scaled? ➡ Last year's crisis of confidence is over ➡ We've onboarded 2 new people to contribute to CocoaPods ➡ Development has internal ownership (my team!) Scaling CocoaPods @ Square 14
CocoaPods: Scaled? ➡ Last year's crisis of confidence is over ➡ We've onboarded 2 new people to contribute to CocoaPods ➡ Development has internal ownership (my team!) ➡ Performance has improved slightly, with a massive increase in: Scaling CocoaPods @ Square 14
CocoaPods: Scaled? ➡ Last year's crisis of confidence is over ➡ We've onboarded 2 new people to contribute to CocoaPods ➡ Development has internal ownership (my team!) ➡ Performance has improved slightly, with a massive increase in: ➡features Scaling CocoaPods @ Square 14
CocoaPods: Scaled? ➡ Last year's crisis of confidence is over ➡ We've onboarded 2 new people to contribute to CocoaPods ➡ Development has internal ownership (my team!) ➡ Performance has improved slightly, with a massive increase in: ➡features ➡# of modules Scaling CocoaPods @ Square 14
CocoaPods: Scaled? ➡ Last year's crisis of confidence is over ➡ We've onboarded 2 new people to contribute to CocoaPods ➡ Development has internal ownership (my team!) ➡ Performance has improved slightly, with a massive increase in: ➡features ➡# of modules ➡amount of code managed by CocoaPods Scaling CocoaPods @ Square 14
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