5A. Keep the registry readable when one slug is registered twice - #57
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nikolaystrikhar wants to merge 6 commits into
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5A. Keep the registry readable when one slug is registered twice#57nikolaystrikhar wants to merge 6 commits into
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Registry\Reader::flush() rethrew the registrar's duplicate-slug refusal out of the read, and it could only do that once: the buffer is emptied before the hand-over, so the next read returned at the empty-buffer guard. Whichever pass read first paid for it. On an admin GET the conflict pass at plugins_loaded priority 5 read first, caught, and resolved no conflict at all, while the load pass at 6 found the buffer drained and loaded everything -- so wp-admin looked healthy. On the front end, on a POST, on cron and under WP-CLI the gatekeeper turns the conflict pass away, so the load pass read first, caught, and returned having loaded none of the site's bundled plugins, on every request, for as long as the duplicate existed. The refusal is now reported through _doing_it_wrong() where it is found, and the read answers with what the registrar legitimately holds. One mistaken registration costs the host that one registration. Reported as it is discovered rather than at every read. The buffer drains once per process and registration runs at plugin-file scope, so that is one report per request for as long as the duplicate exists -- honest and unmissable -- where re-reporting from a remembered collision would print the same sentence twice in every admin request, once for each pass, and again for an activation-error rewrite, and would put a second piece of static state on the reader to do it. A registration that arrives after a read is still checked when it drains, so a later collision still reports, and every collision in a batch reports rather than only the first: nothing rations the report now that it is not a single rethrown exception. Loader::load_all() and Boot\Scheduler::resolve_conflicts() lose the catch ( Config_Exception ) around the read, which nothing can reach any more. The per-sub-plugin catch ( Throwable ) inside the load loop stays, and so does the conflict step's Throwable backstop -- a host's gate, probe or resolver can still throw, and a host-bound registrar's all() can still throw from the read itself.
`Absorber::all()` and both of `Conflict\Rewriter`'s registry reads still declared a duplicate slug as a Config_Exception their callers had to handle. The read reports and carries on now, so the only cause left on those paths is a missing container or a missing hook prefix -- which is what each tag names.
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Included review availability: Your plan provides up to 12 included reviews per hour; 2 remain after this review. 📝 WalkthroughWalkthroughDuplicate registrations are reported with ChangesDuplicate registration handling
Estimated code review effort: 3 (Moderate) | ~20 minutes Merge Risk: ⚪ Minimal · up to The PR isolates duplicate registrations so one refused slug no longer prevents other plugins from loading; no actionable merge-blocking risk remains after normal checks and review. Suggested reviewers: Sequence Diagram(s)sequenceDiagram
participant BundledSubPlugins
participant Reader
participant Detector
participant Scheduler
participant Loader
BundledSubPlugins->>Reader: provide registrations
Reader->>Reader: report duplicate entries
Reader-->>Detector: return retained registrations
Detector-->>Scheduler: report conflict result
Scheduler->>Scheduler: keep conflict notice queued
Reader-->>Loader: return retained registrations
Loader->>Loader: load valid sub-plugins
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✨ Finishing Touches🧪 Generate unit tests (beta)
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cspell runs over src/ in the analysis workflow, so a comment is as much a gated artefact as the code under it. The plainer phrasing is the one the rest of the file already uses.
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In `@src/Absorber.php`:
- Line 114: Update the `@throws` description for Absorber::all() to document
Config_Exception when the container cannot build Reader or returns an invalid
type, in addition to when no container has been set.
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In `@docs/configuration.md`:
- Around line 64-66: Update the duplicate-slug timing documentation to state
that detection occurs during the first registry read, normally on
plugins_loaded. Apply this wording in docs/configuration.md lines 64-66 and
docs/recipes.md lines 68-71; both sites require the same documentation change.
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Both docs said the collision surfaces on plugins_loaded. That is where it normally lands, because the passes are what read first -- but the trigger is the read, not the hook, and a host that calls Absorber::all() itself at plugin-file scope drains the buffer and gets the report there instead. The sentence already said registrations are buffered until the first read; this just makes that half the trigger and leaves the hook as the usual case.
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What:
Registry\Reader::flush()reports a refused registration instead of rethrowing it, and the read-guards come offLoader::load_all()(plugins_loadedpriority 6) andBoot\Scheduler::resolve_conflicts()(plugins_loadedpriority 5).Usage: nothing new to call — a host that registers one slug twice now keeps every other sub-plugin.
Why this way:
One duplicated slug used to cost a site every bundled plugin it has. The buffer empties before the hand-over, so whichever pass read first absorbed the rethrow for everyone: on the front end that is the load pass, which loaded nothing at all, while wp-admin showed them all running and silently stopped deactivating standalones.
A bad registration costs the host that registration, and nothing else. The registrar keeps throwing — its sentence naming the slug and both bundled files is what the report carries — and the read answers with what it legitimately holds.
Summary by CodeRabbit
Bug Fixes
Documentation