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<h1>IntelliJ Platform Gradle Plugin – Gradle Reporting and Parallel Verifications</h1>
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<blockquoteclassName="gsoc-quote">
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"GSoC was the perfect opportunity to give back to the tools I use daily and move from user to contributor because I’d already been building IntelliJ plugins myself"
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> GSoC was the perfect opportunity to give back to the tools I use daily and move from user to contributor because I’d already been building IntelliJ plugins myself. - Victoria Chuks Alajemba
For Victoria Alajemba, a Software Engineer from Nigeria studying in Paris, GSoC was a bridge between learning and impact. Working on the IntelliJ Platform Gradle Plugin, she integrated Gradle’s Problems API and Reporting API, creating richer, standardized reports and exploring parallel verification for faster builds. Guided by Jakub Chrzanowski from JetBrains, she strengthened key workflows used by thousands of plugin developers.
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#***About the author***
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## About the author
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I am Victoria Chuks Alajemba, a software engineer passionate about developer tooling from Nigeria. I’ve been building mobile applications professionally since 2021, after learning programming via YouTube in 2020, and I am currently exploring the world of plugins and extensions across several platforms like the IntelliJ Platform, VS Code, Chrome, and more. I love developer tools and programming in general, but more than that, I love the idea of being able to create something that solves a problem. I currently study artificial intelligence and data science for businesses at aivancity School of AI & Data for Business & Technology in Paris.
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#***Intro and motivation***
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## Intro and motivation
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##**Why this project matters**
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### Why this project matters
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The IntelliJ Platform Gradle Plugin is a critical tool for developers building plugins that target the IntelliJ Platform. It is used by JetBrains and third-party developers to build, test, verify, and publish their plugins. Improvements to this tool will ensure that the thousands of developers who rely on it have a great experience.
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##**The problem it solves**
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### The problem it solves
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The verifyPlugin task, a Gradle task that is part of the IntelliJ Platform Gradle Plugin, enables developers to check that their plugin works against various IntelliJ-based IDEs (PyCharm, Android Studio, IntelliJ IDEA Community Edition, and more). However, the IntelliJ Platform Gradle Plugin team had identified certain areas for enhancement:
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@@ -34,59 +62,59 @@ The verifyPlugin task, a Gradle task that is part of the IntelliJ Platform Gradl
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3.**Unclear performance characteristics:** We needed to investigate whether parallel execution could speed up verification against multiple IDE versions.
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#***Technical highlights***
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## Technical highlights
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##**Core technical achievements**
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### Core technical achievements
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###**Gradle Problems API integration ✅ Merged [PR \#1987](https://github.com/JetBrains/intellij-platform-gradle-plugin/pull/1987)**
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#### Gradle Problems API integration ✅ Merged [PR \#1987](https://github.com/JetBrains/intellij-platform-gradle-plugin/pull/1987)
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* Replaced ad-hoc error reporting in VerifyPluginTask with Gradle's structured Problems API.
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* Enhanced error reporting with contextual details, file locations, suggested solutions, and documentation links.
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###**Gradle Reporting API integration ✅ Merged [PR \#2016](https://github.com/JetBrains/intellij-platform-gradle-plugin/pull/2016)**
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#### Gradle Reporting API integration ✅ Merged [PR \#2016](https://github.com/JetBrains/intellij-platform-gradle-plugin/pull/2016)
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* Implemented VerifyPluginConfigurationReportsImpl with ReportContainer\<SingleFileReport\> for standardized reporting.
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* Added TXT report support with configurable output locations via the Gradle DSL.
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* Integrated the Reporting\<VerifyPluginConfigurationReports\> interface for task-level report configuration.
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* Demonstrated successful Reporting API usage in simpler validation contexts.
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###**Gradle Reporting API for VerifyPluginTask 🔄 [Draft PR \#1996](https://github.com/JetBrains/intellij-platform-gradle-plugin/pull/1996)**
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#### Gradle Reporting API for VerifyPluginTask 🔄 [Draft PR \#1996](https://github.com/JetBrains/intellij-platform-gradle-plugin/pull/1996)
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* Implemented ReportingContainer supporting HTML, Markdown, and plain text reports.
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* Exposed configuration through IntelliJPlatformExtension for user customization.
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* Blocked by IntelliJ Plugin Verifier's single output directory limitation.
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###**Parallel verification research 🔍 [Closed PR \#1948](https://github.com/JetBrains/intellij-platform-gradle-plugin/pull/1948)**
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#### Parallel verification research 🔍 [Closed PR \#1948](https://github.com/JetBrains/intellij-platform-gradle-plugin/pull/1948)
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* Prototyped a Gradle Worker API for concurrent verifyPlugin execution against multiple IDE versions.
I've been using Kotlin since I started programming about four years ago through Android development. Contributing to Kotlin has been on my mind for a while, but the main Kotlin repository seemed daunting to dive into. When I discovered Google Summer of Code, it felt like the perfect structured opportunity to finally contribute meaningfully to the Kotlin ecosystem.
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The IntelliJ Platform Gradle Plugin project immediately caught my attention because I'd already been building IntelliJ Platform plugins myself. I had even [documented my migration experience to the new IntelliJ Platform Gradle Plugin](https://dev.to/victoria_chuks_7e772e1688/gsoc-2025-kotlin-foundation-final-report-3p4c), which gave me some familiarity with the tool's API. At my core, I see myself as more of a user than just a developer, so I'm passionate about improving the tools I actually use daily.
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##**How I created the successful proposal**
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### How I created the successful proposal
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Creating my proposal was an intensive research process that took several weeks, and here's how I approached it:
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###**Communicating with the organization**
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#### Communicating with the organization
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While putting together my proposal, I made sure to ask questions about it on the org’s Slack channel. Doing this demonstrated my dedication and the kind of insight I already had for the project.
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###**Understanding the codebase (3–4 weeks before the proposal deadline)**
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#### Understanding the codebase (3–4 weeks before the proposal deadline)
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I dived into the IntelliJ Platform Gradle Plugin source code, focusing on the key parts outlined in the project description:
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* I analyzed the IntelliJ Plugin Verifier tool itself, discovering that it already implements parallelization using `ExecutorService` in `com.jetbrains.pluginverifier.runSeveralVerifiers`.
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###**Learning from other plugins (2–3 weeks before the deadline)**
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#### Learning from other plugins (2–3 weeks before the deadline)
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I researched similar implementations in the Gradle ecosystem:
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***For the Worker API:** I studied paperweight, Kotlin Benchmark, compose-multiplatform-core, and spotbugs-gradle-plugin to understand Worker API patterns and best practices.
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***For the Reporting API:** I examined Teamscale Gradle Plugin, inspection-plugin, and spotbugs-gradle-plugin to see how they implemented custom reports.
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###**Building a proof-of-concept (2 weeks before the deadline)**
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#### Building a proof-of-concept (2 weeks before the deadline)
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I also built prototypes:
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[Full implementation available here](https://github.com/alajemba-vik/intellij-platform-gradle-plugin/commit/6fbc444caf66481c8058c6e947874842ffd7f3e0).
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###**Identifying risks honestly**
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#### Identifying risks honestly
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I identified potential blockers:
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Being upfront about these risks showed I understood the complexity, not just the ideal outcomes.
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###**Creating a realistic timeline**
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#### Creating a realistic timeline
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I broke down my timeline into specific, measurable tasks:
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***July 14 – August 25:** Performance benchmarks, documentation, and finalization.
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***Plus:** A 3-week buffer for unpredictable delays.
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###**Being authentic about my experience level**
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#### Being authentic about my experience level
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I was honest about my situation and experience:
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* Documenting my migration to IPGP, showing I understand user experience.
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##**What I think made my proposal stand out:**
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### What I think made my proposal stand out:
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1.**Working prototypes:** I showed that I could execute the core ideas proposed.
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2.**Deep technical understanding:** I demonstrated knowledge of the codebase architecture.
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5.**User-focused motivation:** I emphasized improving tools I actually use, showing genuine investment.
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##**Lessons from the proposal process:**
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### Lessons from the proposal process:
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***Spend enough time on your proposal:** I dedicated a total of over 96 hours to putting together my proposal, allowing me to deep dive into different areas.
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***Build something:** Even a small prototype demonstrates capability better than any written description.
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Looking back, the time I invested in understanding the architecture and building prototypes was crucial. It gave me confidence in what I proposed and helped me hit the ground running when the program started.
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#***Resources***
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## Resources
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*[Google Summer of Code 2025 Final Report (Kotlin Foundation)](https://dev.to/victoria_chuks_7e772e1688/gsoc-2025-kotlin-foundation-final-report-3p4c)
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*[Gradle Reporting API Cookbook (Merged) \#58](https://github.com/gradle/gradle/pull/58)
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#***Get in touch***
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## Get in touch
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I'd love to connect with fellow developers working on build tools, Gradle plugins, IntelliJ Platform development, or Kotlin, or explore any roles related to this\!
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