feat(version): bake git-sha + build-date; add --json to status and version subcommand#75
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…new version subcommand Closes #56. `--version` previously printed just the Cargo.toml version. `status` had no machine-readable output. Wire both via a build script. - `build.rs`: emit `VERISIMISER_GIT_SHA`, `VERISIMISER_GIT_DESCRIBE`, `VERISIMISER_BUILD_DATE` as compile-time env vars. No new runtime dependency — uses the `git` CLI directly and chrono in `[build-dependencies]`. Re-runs when `.git/HEAD` or `.git/refs` changes. - `clap` `version = LONG_VERSION`: shows `verisimiser 0.1.0 (<git-describe>, built <YYYY-MM-DD>)`. - New `verisimiser version [--json]` subcommand returns the same info as plain text or a structured JSON object. - New `--json` flag on `verisimiser status`. The schema is a stable `StatusReport` struct in `src/manifest/mod.rs` with documented field stability. Includes per-dimension enablement and the count. Quick check: ``` $ verisimiser --version verisimiser 0.1.0 (b255f20-dirty, built 2026-05-14) $ verisimiser version --json { "build_date": "2026-05-14", "git_describe": "b255f20-dirty", "git_sha": "b255f20afb70", "version": "0.1.0" } ``` `cargo clippy --all-targets -- -D warnings` clean; 32 unit tests pass. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Summary
Per V-L3-J1: bake git-sha + build-date into the binary and expose via clap + a new
versionsubcommand. Add--jsontostatustoo.build.rs: emitsVERISIMISER_GIT_SHA,VERISIMISER_GIT_DESCRIBE,VERISIMISER_BUILD_DATEvia thegitCLI andchrono. No new runtime dep. Re-runs on.git/HEADor.git/refschanges.--versionnow showsverisimiser 0.1.0 (<git-describe>, built <YYYY-MM-DD>).verisimiser version [--json]subcommand for both human and machine-readable output.--jsonflag onverisimiser status. Schema documented asStatusReport/OctadStatusstructs with field-stability commitment.Closes
Test plan
cargo clippy --all-targets -- -D warningscleancargo test --lib --bins32/32 passverisimiser --version→verisimiser 0.1.0 (b255f20-dirty, built 2026-05-14)verisimiser version --json→ 4-field JSONverisimiser status --jsonsmoke-tested in CI