blumeops/nixos/ringtail/flake.lock
Erich Blume a18a424866 Pin NixOS service versions via nixpkgs-services overlay (#321)
## Summary

- Add `nixpkgs-services` flake input pinned to a specific nixpkgs commit, with an overlay that pulls `forgejo-runner`, `snowflake`, and `k3s` from it instead of the rolling `nixpkgs`
- Dagger `flake-update` pipeline now excludes `nixpkgs-services` via `--exclude`
- Fix stale nix-container-builder version in service-versions.yaml (was 12.6.4, actually running 12.7.2)
- Add k3s and minikube to service-versions.yaml tracking
- Document the pinning approach in review-services how-to and ringtail reference

## Motivation

During service review, discovered that flake updates had silently upgraded forgejo-runner from 12.6.4 → 12.7.2 without updating service-versions.yaml. This "sneak-in upgrade" bypasses the service review process. The overlay ensures these three services only change versions deliberately.

## Test plan

- [ ] Verify `nix flake update` from `nixos/ringtail/` does not change `nixpkgs-services` lock entry
- [ ] Verify `mise run provision-ringtail` builds successfully with the overlay
- [ ] Confirm running service versions unchanged after deploy

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Reviewed-on: #321
2026-04-01 21:37:57 -07:00

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{
"nodes": {
"disko": {
"inputs": {
"nixpkgs": [
"nixpkgs"
]
},
"locked": {
"lastModified": 1773889306,
"narHash": "sha256-PAqwnsBSI9SVC2QugvQ3xeYCB0otOwCacB1ueQj2tgw=",
"owner": "nix-community",
"repo": "disko",
"rev": "5ad85c82cc52264f4beddc934ba57f3789f28347",
"type": "github"
},
"original": {
"owner": "nix-community",
"repo": "disko",
"type": "github"
}
},
"home-manager": {
"inputs": {
"nixpkgs": [
"nixpkgs"
]
},
"locked": {
"lastModified": 1774559029,
"narHash": "sha256-deix7yg3j6AhjMPnFDCmWB3f83LsajaaULP5HH2j34k=",
"owner": "nix-community",
"repo": "home-manager",
"rev": "a0bb0d11514f92b639514220114ac8063c72d0a3",
"type": "github"
},
"original": {
"owner": "nix-community",
"ref": "release-25.11",
"repo": "home-manager",
"type": "github"
}
},
"nixpkgs": {
"locked": {
"lastModified": 1774388614,
"narHash": "sha256-tFwzTI0DdDzovdE9+Ras6CUss0yn8P9XV4Ja6RjA+nU=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "1073dad219cb244572b74da2b20c7fe39cb3fa9e",
"type": "github"
},
"original": {
"owner": "NixOS",
"ref": "nixos-25.11",
"repo": "nixpkgs",
"type": "github"
}
},
"nixpkgs-services": {
"locked": {
"lastModified": 1774388614,
"narHash": "sha256-tFwzTI0DdDzovdE9+Ras6CUss0yn8P9XV4Ja6RjA+nU=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "1073dad219cb244572b74da2b20c7fe39cb3fa9e",
"type": "github"
},
"original": {
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "1073dad219cb244572b74da2b20c7fe39cb3fa9e",
"type": "github"
}
},
"root": {
"inputs": {
"disko": "disko",
"home-manager": "home-manager",
"nixpkgs": "nixpkgs",
"nixpkgs-services": "nixpkgs-services"
}
}
},
"root": "root",
"version": 7
}