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feat(dirty-content-fingerprint): add dirty_fingerprint meson option and C define

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Adds a dirty_fingerprint string meson option (default '') alongside the
already-shipped build-time-versioning feature's commit_id/build_time
options, and threads it through add_project_arguments() as
VERSION_DIRTY_FINGERPRINT for every C component. Purely additive,
non-behavioral plumbing -- nothing consumes the new define yet.

Verified independently by review: a bare meson setup with zero -D
options configures cleanly, and all 542 C compile commands carry the new
(empty) define, matching the existing commit_id/build_time defines'
counts exactly.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
This commit is contained in:
Rongsong Shen 2026-08-21 03:54:37 +00:00
parent d3c583b339
commit a860141bb9
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.kiro/specs/dirty-content-fingerprint/tasks.md
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# Implementation Plan
- [ ] 1. Foundation: dirty_fingerprint meson option and C-wide define
- Add a `dirty_fingerprint` meson option (string, default `''`) alongside the existing `commit_id`/`build_time` options in `src/meson.options`
- Extend `src/meson.build`'s existing `add_project_arguments()` call to also define `VERSION_DIRTY_FINGERPRINT` for every C component, mirroring `VERSION_COMMIT_ID`/`VERSION_BUILD_TIME`
- Observable: a plain `meson setup` with the option unset still configures successfully (the define resolves to empty string, no build failure)
- [x] 1. Foundation: dirty_fingerprint meson option and C-wide define
- `dirty_fingerprint` meson option (string, default `''`) added in `src/meson.options`, byte-for-byte matching `commit_id`/`build_time`'s style/type/yield; `add_project_arguments()` extended with `-DVERSION_DIRTY_FINGERPRINT=`
- Observable confirmed live (independently re-verified by review, fresh scratch build): a bare `meson setup` with zero `-D` options configures cleanly (73 targets); all 542 C compile commands contain the new define (empty string), matching the existing two defines' counts exactly; no consumption code touched yet
- _Requirements: 1.1, 5.1_
- [ ] 2. Foundation: compute real fingerprint values at both build entry points