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chore(alpine): drop the deprecated Alpine 3.22 slot

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Alpine 3.22 is deprecated and is no longer a published slot.
It was never routed: `local.rpkgs_slots` in `cdn.tf` lists eight distros and
alpine322 is not among them, so `UNION_SLOTS` never gated per-minor rewriting
for it and every request fell through to the flat index.

The fleet-wide routing verification made that concrete.
Across all 16 published slots, both architectures, three R minors and both
contractual URL forms, 1056 of 1056 install-and-load checks passed.
Every failure in the run was alpine322, identical on amd64 and arm64, and
identical across `arch`, `generic` and `flat`.
That last part is the signature of an unrouted slot: on a routed slot the
contractual forms diverge from `flat`, because the divergence is the routing.
Its flat objects are R 4.5 builds, so R 4.4 and R 4.6 clients got
`LOAD_FAILED` while R 4.5 clients were fine.

This change will:

- Remove the alpine-322 matrix rows and dropdown options from every pipeline
  that carried them, so `=all` no longer fans out to a slot nobody can reach.
- Remove `3.22` from the `OS_VERSION` dropdowns in `build-all-versions.yaml`
  and `repair-built-stamp.yaml`, and move the latter's default to `3.23`.
- Update the stale `3.22` examples in `local/packages-to-build.R`.

The six alpine-322 cron jobs are deleted from the Crow server as well, since a
cron whose matrix row is gone would keep firing against nothing:

    5   process-cran-updates-alpine-322-amd64     0 5/8 * * *
    6   process-cran-updates-alpine-322-arm64     30 5/8 * * *
    68  weekly-audit-missing-alpine-322-amd64     20 0 * * 0
    69  weekly-audit-missing-alpine-322-arm64     30 0 * * 0
    82  weekly-rebuild-missing-alpine-322-amd64   0 4 * * 0
    83  weekly-rebuild-missing-alpine-322-arm64   10 4 * * 0

The published objects and indexes under `amd64/alpine322` and `arm64/alpine322`
are left in place; removing them from the bucket is a separate decision.
This commit is contained in:
Patrick Schratz 2026-09-11 07:25:21 +00:00
commit 8140702b5f
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1 changed files with 5 additions and 151 deletions
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.crow/build-all-versions.yaml
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@ -24,7 +24,6 @@ variables:
OS_VERSION:
description: 'OS image tag. Must match OS (alpine: 3.24; redhat: 8/9/10; ubuntu: jammy/noble).'
options:
- '3.22'
- '3.23'
- '3.24'
- '8'