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The version string was duplicated across six places. Collapse it to two ecosystem sources of truth and derive the rest: - backend/src/web_server.rs: omit the OpenAPI info.version so utoipa fills it from CARGO_PKG_VERSION (backend/Cargo.toml); add a test pinning this. - nix/package.nix: read the version from backend/Cargo.toml via fromTOML. - nix/frontend.nix: read the version from frontend/pubspec.yaml by splitting into lines (a whole-file regex triggers catastrophic backtracking in Nix's regex engine). - frontend/lib/about/about.dart: read the version at runtime via package_info_plus instead of a hardcoded constant. Also drop frontend/pubspec.lock.json: it is unreferenced (Nix's autoPubspecLock generates its own JSON from pubspec.lock) and was going stale. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
22 lines
998 B
Nix
22 lines
998 B
Nix
{flutter}: let
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# Single source of truth: extract the version from frontend/pubspec.yaml.
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# Nix has no YAML parser, so split into lines and read the `version:` line.
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# (Matching the whole file with a single regex is avoided on purpose: nested
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# quantifiers over the full text trigger catastrophic backtracking in Nix's
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# regex engine.)
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lines = builtins.filter builtins.isString (builtins.split "\n" (builtins.readFile ./../frontend/pubspec.yaml));
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versionLine = builtins.head (builtins.filter (line: builtins.match "version:.*" line != null) lines);
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version = builtins.head (builtins.match "version: *([^ ]+) *" versionLine);
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in
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flutter.buildFlutterApplication {
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pname = "oott-frontend";
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inherit version;
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src = ./../frontend;
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# Fetches pub dependencies from the committed pubspec.lock (all hosted, no git deps).
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autoPubspecLock = ./../frontend/pubspec.lock;
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# Build the web bundle (the backend serves these assets).
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targetFlutterPlatform = "web";
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}
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