chore(nix): 自前 attic を実機の substituter から撤去 - #86
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cachix gapul-dotfiles (public/無保守) が代替済み。attic (cache.gapul.net) は tailnet 限定で homelab 稼働に依存する分だけ失敗モードが増える (実際サーバーを 落としてビルドが致命化した)。運用を無保守化する方針で実機クライアントから外す。 - darwin-common.nix: nix.custom.conf への attic 追記を廃止し、既に追記済みの マシンからは rebuild 時に sed で当該行を掃除する形へ変更。 - nixos-laptop.nix: substituters / trusted-public-keys から attic を削除。 - connect-timeout/fallback は他キャッシュにも有用なので残し、コメントを一般化。 homelab 側 (Caddy の cache.gapul.net route と CT101 の attic stack) の撤収は別途。 Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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July 28, 2026 02:56
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目的（無保守運用）
cachix
gapul-dotfiles（public・無保守）が attic の代替になったので、自前 attic を実機クライアントから外して失敗モードを1つ減らす。attic は tailnet 限定で homelab 稼働に依存し、実際サーバーを落としてビルドが致命化した（→ #82 で fallback 化して延命していた）。変更（実機クライアントのみ）
nix.custom.confへの attic 追記を廃止。既に追記済みのマシンからは rebuild 時にsedで当該行を掃除（自動クリーンアップ）。substituters/trusted-public-keysから attic を削除。connect-timeout/fallbackは他キャッシュにも有用なので残置、コメントを attic 非依存に一般化。スコープ外（別途）
homelab 側の撤収（Caddy の
cache.gapul.netroute 削除 + CT101 の attic dockge stack 停止）はこの PR に含めない。完全retire したくなったら別途対応。🤖 Generated with Claude Code