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refactor: improve nix packaging with deterministic dependency vendoring#2
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lambdalisue merged 2 commits intoprobitas-test:mainfrom Dec 23, 2025
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Replace the simple wrapper script with a two-phase build that uses `deno cache --vendor` for deterministic output. This eliminates non-determinism from JSR cache metadata such as timestamps and SQLite page ordering, enables proper package installation with vendored dependencies, and provides build verification.
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Please add nix to GitHub Actions to fix the CI error. |
Add `update-nix-hash` task and chain it to `update-lock` so that Nix flake hashes stay synchronized with Deno lock file changes. This prevents divergence between Deno and Nix dependency versions.
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Nice 👍 |
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Summary
Replace simple wrapper script with two-phase build using
deno cache --vendorfor deterministic dependency vendoring.Motivation
The previous implementation was a wrapper script that delegated dependency resolution to runtime. This approach does not pin dependencies at build time.
This change vendors dependencies at build time using
deno cache --vendor, which produces deterministic output suitable for Nix's fixed-output derivation. The cache approach was not used because JSR cache metadata contains timestamps and SQLite databases have non-deterministic page ordering.Changes
depsderivation that vendors dependencies deterministicallyprobitasderivation with vendored dependenciesupdate-nix-hashtask chained toupdate-lockfor automatic hash synchronizationupdateDepsHashpassthru script for convenient hash updatesTest plan
nix run .#probitas run