Nix flake packaging: nix run github:rtk-ai/icm#320
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Adds a flake.nix so Nix/NixOS users can build, run, and install icm directly from the repo: nix run github:rtk-ai/icm nix profile install github:rtk-ai/icm Design notes: - cargoLock.lockFile vendors deps straight from the committed Cargo.lock, so there is no cargoHash to bump on dependency updates — the flake is zero-maintenance for day-to-day development. - OPENSSL_NO_VENDOR + ORT_STRATEGY=system link the nixpkgs openssl and onnxruntime (fastembed/ort cannot download prebuilts in the Nix sandbox). - Default features (rusqlite backend, embeddings, tui) — the binary is identical in behaviour to a stock cargo build. - devShells.default provides the Rust toolchain + native deps for hacking. - Linux systems only for now (x86_64/aarch64); darwin likely works but is unverified, trivially addable. No impact on cargo users; .gitignore gains the nix 'result' symlink.
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Summary
Adds a
flake.nixso Nix/NixOS users can build, run, and install icm straight from the repo:No impact on cargo users — the binary is a stock default-features build (rusqlite backend, embeddings, tui), just packaged.
Design
cargoLock.lockFilevendors dependencies straight from the committedCargo.lock, so there's nocargoHashto bump on dependency updates. Release-please version bumps only touch the oneversionfield.OPENSSL_NO_VENDOR=1links the nixpkgs openssl, andORT_STRATEGY=systempoints fastembed/ort at the nixpkgsonnxruntime(prebuilt downloads don't work inside the Nix build sandbox).nix developgives the Rust toolchain + pkg-config/openssl/onnxruntime for hacking on the repo without global installs.x86_64-linux,aarch64-linux) since that's what I can verify; darwin most likely works (onnxruntime/openssl exist there) and is a one-line addition if someone can confirm.Verified:
nix build✅,nix flake check✅,nix run . -- --version→icm 0.10.57✅.CI could later gain a
nix buildjob, but I've kept this PR minimal on purpose.Stacking note
This is the base of a small stack: #262 (opt-in libSQL/Turso backend) will be rebased on top and extend the flake with a turso-featured package output. If you'd rather not take the flake at all, #262 works without it — happy to reshuffle either way.