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kevinveenbirkenbachandClaude Opus 5 5b8465260f feat(ci): deploy only the variants a change reaches
An image bump in a provider redeployed every variant of every consumer,
including the variants that switch that provider off and therefore never
deploy the bumped image at all. The diff-derived whitelist now narrows each
affected role to the variants whose own round closure still reaches a seed,
emitted as `role#0,2` selection tokens. That closure is walked on the same
variant-merged services maps the matrix planner builds its rounds from, so the
narrowing follows a parent's variant choice across every generation of the
chain. It covers every auto-derived whitelist: the weekly update PRs,
Dependabot, and any other diff-driven run.

The narrowing never shrinks the matrix on partial information. A seed role
keeps every variant, because its own files changed. A role reached only
through a run_after edge keeps every variant too, because the round closure
does not follow that edge and a role whose hits are empty is therefore
unnarrowed rather than dropped.

A pinned token naming a role the discovery query does not return now warns
instead of aborting the run. The diff-derived whitelist legitimately names
roles the lifecycle envelope filters out, and once it pins variants such a
token would abort every chunk; role names are still checked against roles/
before the run starts, so a typo is caught one layer earlier.

The round's variant merge moves out of the deploy inventory package into
utils/roles/applications/variants.py. The CI selection has to build the same
maps, and importing the deploy package for them pulls in a module that reads
INFINITO_SRC_DIR at import time, which the runner host does not set.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-09-21 22:51:03 +02:00
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Workflow Input Resolution 🔎

Shell helpers that derive structured inputs and outputs for GitHub Actions jobs from repository state.

Scope 📋

This directory contains pure resolvers that read repository state (git history, role metadata, version tags, input environment variables) and emit resolved values either via $GITHUB_OUTPUT or stdout. Resolvers MUST be idempotent and MUST NOT mutate repository or registry state beyond writing to $GITHUB_OUTPUT. The covered concerns are diff-driven app whitelist resolution, the 🧩 Subset label dispatch (pr_affected_roles.sh, which picks between the PR-body subset and the diff resolver), release-tag detection, app discovery for the deploy matrix, and change detection that gates the update pipeline.

For the workflow catalog that consumes these outputs see workflows.md. For the diff-driven whitelist contract see the "Diff-driven app selection" section in pipeline.md.