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[temp][do not merge] probe: upgrade 2026.10.11.1 -> 2026.10.16.3 (revision reinstall, orphan records) - #814
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… orphan records) Co-authored-by: speak-agent <248744407+speak-agent@users.noreply.github.com>
Co-authored-by: speak-agent <248744407+speak-agent@users.noreply.github.com>
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… build; a dangling record does not fail every build; doctor reads, it does not change (#815) ## What changes - **Intent (D3).** `Fetcher::resolve_xpkg_path` takes a `PayloadIntent`: `Use` (build, run, test, pack, the runtime, host tools) takes a payload the provider calls usable and installs or replaces only one that is not; `Provision` (`mcpp toolchain install`) takes the index's current packaging; `Locate` never installs. A replacement says why (`Updating llvm@23.1.3 packaging revision 0 → 1 (revision 0 is below the index's floor 1)`). - **Failure (D5).** By the provider's error code: a deterministic refusal is neither retried through the command line nor followed by an index refresh, and its hint does not say retry; only `E_NOT_FOUND` refreshes, with a reason that is true (`could not be installed; the index may predate it`). A failed replacement of a usable payload names the revision still in use. - **Currency where a person looks (D6).** `mcpp index update` lists installed payloads the refreshed index packages anew; `mcpp toolchain list` marks them (JSON `installedRevision` / `availableRevision`). - **doctor (D7).** Read-only: one offline `prepare_build`; the toolchain it reports is what a build here uses (the configured default outside a package) with its payload's revision; a build that would install first is reported as that; mcpp's package home is summarized from xlings `binding_state`. - **Identity (D8).** A toolchain payload's revision above 0 enters the driver identity (`payload-revision: <n>`). - **xlings 2026.10.17.1** (openxlings/xlings#678): `payload_status` reports `complete` / `usable` / `current` apart; `unmet()` requires `payload_currency` and `binding_state`; `scope_repaired` events are shown (`Repaired c++@16.1.0 in mcpp's package home had no registration; deactivated`). - **CI (D9).** `ci-upgrade.yml`: the previous release (read from GitHub at run time) builds a home; this commit's mcpp, laid out as a release, runs in it on Linux x86_64/aarch64, macOS and Windows; Linux adds an old-index variant (xim-pkgindex of 2026-10-07) and a dangling-record variant. ## Why After `xlings self update && xlings update mcpp -y`, a user's every `mcpp new && mcpp run` failed: `install of 'xim:llvm@23.1.3' failed ... sysroot update refused before metadata changed: c++@16.1.0: installed asset registration missing`. 2026.10.16.1 folded "is the packaging revision the index's" into "is the payload complete", and mcpp treated "not complete" as "not installed" inside the build; the replacement then met a dangling record of another package and failed on every run, while `mcpp self doctor` started the same replacement and reported `ok`. Measured on probe PR #814: a home of the previous release downloads gcc (101.7 MB), glibc (36.7 MB) and llvm on its first run after the upgrade, and the reported home fails with rc 101 on every run on x86_64 and aarch64. Design: .agents/docs/2026-10-17-upgrade-continuity-design.md. ## Tests - unit: `PmPayloadIntent.*` (the intent × usable × current matrix), `PmInstallFailurePolicy.*` (error code → refresh / retry). - e2e 918: a toolchain payload re-recorded at another revision builds with no install call, `toolchain list` offers the other packaging, doctor installs nothing. Fails on 2026.10.16.3 (it downloads glibc, binutils, linux-headers and fails). - ci-upgrade lane, run locally before push: orphan (the reported home) passes -- first run no download, `toolchain install` replaces llvm and reports the repaired record; snapshot passes -- `index update` names llvm 0 → 1 and glibc 2 → 4, no run downloads. Co-authored-by: speak-agent <248744407+speak-agent@users.noreply.github.com>
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Probe finished; its measurements are in .agents/docs/2026-10-17-upgrade-continuity-design.md §2, and the upgrade lane it prototyped is ci-upgrade.yml (#815, released in 2026.10.17.1). |
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Temporary probe. Do not merge.
Upgrades a home made by mcpp 2026.10.11.1 (bundled xlings 2026.10.10.2) to mcpp 2026.10.16.3 (bundled xlings 2026.10.16.2) on Linux x86_64/aarch64, macOS and Windows, then runs
mcpp new && mcpp run. It records: reinstalls triggered by stale packaging revisions, index refreshes, downloads, the payload_status answers, and the llvm cfg/header search of revision 0 vs 1. Variants: plain, snapshot (xim index as of 2026-10-07), stamp (stale stamps), orphan (a workspace record the version DB lacks).Every other workflow is removed on this branch. The script prints and never asserts.
Co-authored-by: speak-agent 248744407+speak-agent@users.noreply.github.com