How One Engineer Wrote a Single Git Hook That Saved 200 Hours a Week
from The Software Engineering Podcast with Fexingo: Code, Architecture, and Engineering Best Practices Hosted by Fexingo
Most engineering teams spend hours each week catching trivial mistakes: trailing whitespace, debug code that shouldn’t be committed, credentials accidentally pushed to a public repo. In this episode, Lucas and Luna dig into the story of a single pre-commit Git hook written by an engineer at a mid-size SaaS company. The hook ran static analysis on every staged file — about 15 checks total — and prevented bad commits before they ever hit the remote. The result: the team’s average PR cycle time dropped from 4.2 hours to 1.8 hours, and the number of “please revert” messages fell by over 90 percent. Lucas explains how the hook was built using shell scripts and a sprinkle of Python, why the team rejected fancier tools like custom ESLint plugins or husky in favor of simplicity, and how the engineer convinced skeptical colleagues to adopt the hook company-wide. Luna pushes back on whether a single hook can really save 200 engineer-hours per week, and they walk through the math. The conversation also touches on the psychology of friction: making the right action the easy action, and the wrong action the hard one. No hot takes — just a concrete, reproducible engineering win. #GitHook #PreCommitHook #DeveloperProductivity #CodeQuality #StaticAnalysis #DevEx #ContinuousIntegration #PullRequest #ShellScript #Python #EngineeringCulture #TechPodcast #SoftwareEngineering #Technology #FexingoBusiness #BusinessPodcast #FexingoTech #CodeReview Keep every episode free: buymeacoffee.com/fexingo
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