canonical/snapd
Jun 2025 – Feb 2026
3 Months active
Languages Used
yamlGo
Technical Skills
system administrationtestingGobackend developmentfile system managementsystem programming
Ondra Kubik
PROFILE
Ondra Kubik
Worked on the canonical/snapd repository to deliver foundational improvements in update efficiency and artifact reliability. Developed and integrated a prototype for delta updates using Go, enabling incremental SquashFS updates that reduce bandwidth and update times by transferring only changed data. Established the initial Snap Delta Update Format, implementing core delta-format storage and update pathways to streamline deployments and prepare for future tooling. Enhanced artifact integrity by refining preseeded blob generation and expanding test coverage, including size checks to prevent unexpected growth. Combined backend development, system programming, and testing skills to improve update workflows and artifact hygiene across supported environments.
Overall Statistics
Feature vs Bugs
67%Features
Repository Contributions
3Total
Bugs
1
Commits
3
Features
2
Lines of code
1,968
Activity Months3
Your Network
461 peopleSame Organization
@canonical.com376
Work History
February 2026
1 Commits • 1 Features
Feb 1, 2026February 2026 (canonical/snapd): Delivered the initial Snap Delta Update Format support, establishing the delta-based update pathway that reduces bandwidth and update times for users. This work lays the foundation for more efficient deployments and future delta tooling across channels.
1 Commits • 1 Features
Feb 1, 2026February 2026 (canonical/snapd): Delivered the initial Snap Delta Update Format support, establishing the delta-based update pathway that reduces bandwidth and update times for users. This work lays the foundation for more efficient deployments and future delta tooling across channels.
February 2026
January 2026
1 Commits • 1 Features
Jan 1, 2026January 2026 - Canonical/snapd: Delta Updates Prototype for SquashFS delivered. Implemented initial prototype to support incremental updates by delta-transfer; includes generation and application of delta files, with groundwork for multiple compression methods to reduce bandwidth and update times. This foundation enables faster, smaller updates across Snap devices and cloud deployments. Commit reference 711f4fab8f9cf9810211e58578fc729d28fed5be; aligned with PR #16295.
January 2026
1 Commits • 1 Features
Jan 1, 2026January 2026 - Canonical/snapd: Delta Updates Prototype for SquashFS delivered. Implemented initial prototype to support incremental updates by delta-transfer; includes generation and application of delta files, with groundwork for multiple compression methods to reduce bandwidth and update times. This foundation enables faster, smaller updates across Snap devices and cloud deployments. Commit reference 711f4fab8f9cf9810211e58578fc729d28fed5be; aligned with PR #16295.
June 2025
1 Commits
Jun 1, 2025June 2025 monthly summary for canonical/snapd focused on improving artifact integrity and test reliability. Delivered a bug fix that hardens preseeded blob generation by excluding the snap/snapd/preseeding from the preseeded blob, preventing its inclusion in generated artifacts. Expanded preseed tests to cover additional supported systems and added a size check to guard against unexpected artifact growth. These changes reduce release risk, improve test reliability, and streamline artifact hygiene across environments.
1 Commits
Jun 1, 2025June 2025 monthly summary for canonical/snapd focused on improving artifact integrity and test reliability. Delivered a bug fix that hardens preseeded blob generation by excluding the snap/snapd/preseeding from the preseeded blob, preventing its inclusion in generated artifacts. Expanded preseed tests to cover additional supported systems and added a size check to guard against unexpected artifact growth. These changes reduce release risk, improve test reliability, and streamline artifact hygiene across environments.
June 2025
Activity
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Quality Metrics
Correctness80.0%
Maintainability73.4%
Architecture73.4%
Performance73.4%
AI Usage26.6%
Skills & Technologies
Programming Languages
Goyaml
Technical Skills
Gobackend developmentfile system managementsystem administrationsystem programmingtesting
Repositories Contributed To
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