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Nicolas Descostes

PROFILE

Nicolas Descostes

Worked on the bioconda/bioconda-recipes repository to deliver a comprehensive packaging upgrade for CSEM version 2.4, focusing on build automation and reproducibility. Developed a new bash-based build script and updated YAML metadata to align with conda’s requirements, resolving build hash mismatches by standardizing render contexts and adopting a multi-output recipe pattern. Enhanced the testing framework to validate new binaries and Perl utilities, expanding test coverage and improving error handling. Updated packaging metadata and build configurations to ensure consistent dependency management. Collaborated across teams through co-authored commits, strengthening CI reliability and maintainability of the CSEM packaging workflow within bioinformatics pipelines.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

2Total
Bugs
0
Commits
2
Features
1
Lines of code
181
Activity Months1

Work History

April 2026

2 Commits • 1 Features

Apr 1, 2026

April 2026: Delivered a robust CSEM 2.4 packaging upgrade for bioconda-recipes, including a new build script and metadata, updated source URL/SHA256, and enhanced testing to validate new binaries. Fixed critical build hash mismatches and hardened CI reliability by standardizing render contexts (host/run requirements), adding ignore_build_only_deps, and adopting a multi-output recipe pattern. Expanded test coverage for new binaries and Perl utilities; updated CI/test scripts and metadata (meta.yaml, conda_build_config.yaml) to ensure consistent, reproducible builds. Demonstrated strengths in packaging engineering, CI reliability, and cross-team collaboration.

Activity

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Quality Metrics

Correctness80.0%
Maintainability80.0%
Architecture80.0%
Performance80.0%
AI Usage30.0%

Skills & Technologies

Programming Languages

bashyaml

Technical Skills

bash scriptingbioinformaticsbuild automationcondapackage managementtesting

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

bioconda/bioconda-recipes

Apr 2026 Apr 2026
1 Month active

Languages Used

bashyaml

Technical Skills

bash scriptingbioinformaticsbuild automationcondapackage managementtesting