Aliaksandr

Software engineer · Vilnius, Lithuania

Open-source contributor focused on the Nix ecosystem — ~100 merged PRs to nixpkgs in the last year.

What I work on

Area	Focus
Nix / NixOS	nixpkgs packaging, infrastructure, CI tooling, performance, treewide refactors
Developer tooling	flatpak, Hyprland on NixOS
Frontend	React, TypeScript, Expo (side projects)

Selected open-source contributions (past year)

nixpkgs

• fetchPnpmDeps v1 → v3 migration — multi-part treewide migration of pnpm-based packages: part 1 · part 2 · part 3 · part 4, and a v1 deprecation proposal
• pipewire 1.4 → 1.6 — major update; moved pipewire and wireplumber to by-name, modernized
• sddm-astronaut refactor — closure-size reductions; co-maintainer
• Performance: patch-shebangs: optimize bash + add ANSI C implementation · reduce // merges and optimize ++ chains across hot paths · stdenv: // optionalAttrs → nullable attr names · lib/attrsets: use builtins.filterAttrs when available
• CI / merge bot: auto-label new and updated packages · surface auto-merge blockers in the bot's checklist · gating on no PR failures and committer change-requests
• Hardening: assert no by-name overwrites · no callPackage with by-name paths · progressively extend by-name defaults
• New packages: crosspipe · volt · nix-olde · vite-plus
• Treewide cleanups: meta = with lib; removal, rec → finalAttrs, ~20 PRs moving overrides into package.nix, qt6 application moves to by-name, override consolidation across audacity / bitwuzla / cvc5 / hugin / mysql-workbench / neovim-unwrapped / plausible / rabbitmq-server and more

Elsewhere

• hyprnixos — full NixOS + Hyprland configuration
• automaspec — pair project: AI-assisted platform that turns requirements into test specs and generated test code (Next.js 16, ORPC, Drizzle, multi-tenant)
• expo-shizuku — Expo native module for silent APK installation via Shizuku on Android
• flatpak — fish profile fast-path skip when XDG_DATA_DIRS already includes the path