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https://github.com/Fission-AI/OpenSpec.git
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f197804a38
* feat(nix): expose openspec as a consumable overlay
Refactor the flake so the package derivation is defined once, in
`overlays.default`, and every other output consumes it. Previously the
derivation lived inline in `packages.default`, so anyone who wanted
`openspec` in their own package set had to copy the derivation rather than
import it.
What changed:
- Add `overlays.default`, a standard `final: _prev:` overlay that exposes
`pkgs.openspec`. The derivation is written against `final`, so downstream
overlay composition and `overrideAttrs` behave as expected.
- Route `packages.{default,openspec}` through the overlay via a `pkgsFor`
helper (`import nixpkgs { overlays = [ self.overlays.default ]; }`), so the
flake's own package resolves exactly as a consumer's would. No more
duplicated build definition.
- Refresh the nixpkgs pin in `flake.lock`.
`apps` and `devShells` are unchanged in behaviour.
Usage — a downstream flake:
nixpkgs.overlays = [ openspec.overlays.default ];
# -> pkgs.openspec
or devenv, via `devenv.yaml`:
inputs:
openspec:
url: github:Fission-AI/OpenSpec
overlays:
- default
Assisted-by: Claude Opus 4.8 <noreply@anthropic.com>
* test(nix): cover downstream overlay composition and updater warnings
* fix(ci): compare Nix dependencies across multiple outputs
* chore: add Nix overlay changeset
---------
Co-authored-by: John Muchovej <jmuchovej@users.noreply.github.com>
Co-authored-by: Clay Good <hi@claygood.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
Github Workflows
Testing CI Locally
Test GitHub Actions workflows locally using act:
# Test all PR checks
act pull_request
# Test specific job
act pull_request -j nix-flake-validate
# Dry run to see what would execute
act pull_request --dryrun
The .actrc file configures act to use the appropriate Docker image.