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pr-states: dispatch from pr-test* notify job (fix rerun status) (#25812)

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Liangsheng Yin
2026-05-19 15:57:16 -07:00
committed by GitHub
parent b9d470f4a2
commit 3ef832f885
3 changed files with 130 additions and 12 deletions
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.github/workflows/pr-states.yml
+38 -12
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@@ -2,26 +2,38 @@ name: PR States
# Maintains the CI-states block at the bottom of the PR body. Uses
# pull_request_target (not pull_request) for fork-PR write access; safe
# because we never check out PR head code, only API-read and PATCH the body.
#
# Three triggers, each covering a gap:
# - pull_request_target: push / open / label change (all PRs incl forks).
# - workflow_run: initial pr-test* completion (incl fork PRs; the
# notify-job below can't fire on forks — their pull_request
# GITHUB_TOKEN is forced read-only). Does NOT re-fire for rerun
# attempts, which is why workflow_dispatch is needed too.
# - workflow_dispatch: rerun completions for non-fork PRs, dispatched by
# pr-test*'s notify-pr-states job. workflow_dispatch is the only event
# GITHUB_TOKEN can cascade-create.
on:
pull_request_target:
types: [opened, synchronize, reopened, labeled, unlabeled]
workflow_run:
# Listen to pr-test* lifecycle so reruns initiated by slash commands
# (run.rerun / run.rerun_failed_jobs via GITHUB_TOKEN) -- which don't
# refire pull_request_target -- still refresh the CI-states block.
workflows: ["PR Test Base", "PR Test Extra"]
types: [requested, completed]
workflow_dispatch:
inputs:
pr_number:
description: 'PR number whose CI-states block should be refreshed.'
required: true
type: string
permissions:
pull-requests: write
actions: read
concurrency:
# Dedupe per commit SHA across both event sources so simultaneous
# synchronize + workflow_run firings on the same push queue instead
# of racing on the body PATCH.
group: pr-states-${{ github.event.pull_request.head.sha || github.event.workflow_run.head_sha }}
# Per-SHA dedupe (PR number for workflow_dispatch). Queues concurrent
# fires across the three triggers so they don't race on the body PATCH.
group: pr-states-${{ github.event.pull_request.head.sha || github.event.workflow_run.head_sha || inputs.pr_number }}
cancel-in-progress: false
jobs:
@@ -40,14 +52,16 @@ jobs:
// Event-agnostic PR lookup.
// - pull_request_target: PR is in the payload.
// - workflow_run: pull_requests[] is populated for same-repo PRs;
// fork PRs need a head-ref reverse lookup ("forkOwner:branch")
// because listPullRequestsAssociatedWithCommit requires the commit
// to be in the default branch. Bail when no open PR matches.
// - workflow_run: pull_requests[] is populated for same-repo
// PRs; fork PRs need a head-ref reverse lookup
// ("forkOwner:branch") because
// listPullRequestsAssociatedWithCommit requires the commit to
// be in the default branch. Bail when no open PR matches.
// - workflow_dispatch: pr_number is an explicit input.
let prNumber;
if (context.payload.pull_request) {
prNumber = context.payload.pull_request.number;
} else {
} else if (context.eventName === 'workflow_run') {
const wr = context.payload.workflow_run;
if (wr.pull_requests && wr.pull_requests.length > 0) {
prNumber = wr.pull_requests[0].number;
@@ -71,6 +85,18 @@ jobs:
core.info(`workflow_run has no PR linkage; skipping.`);
return;
}
} else if (context.eventName === 'workflow_dispatch') {
// Reject non-digit pr_number; parseInt('123abc', 10) returns
// 123 and would silently truncate trailing garbage.
const raw = context.payload.inputs.pr_number;
if (!/^\d+$/.test(raw)) {
core.setFailed(`workflow_dispatch: invalid pr_number input '${raw}' (must be digits only)`);
return;
}
prNumber = parseInt(raw, 10);
} else {
core.info(`Unsupported event '${context.eventName}'; skipping.`);
return;
}
const { data: pr } = await github.rest.pulls.get({
owner: context.repo.owner,