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ci: check pin drift before requiring a write credential #111

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Merged
hyperpolymath merged 1 commit into from
Nov 2, 2026
Merged

ci: check pin drift before requiring a write credential #111

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25 changes: 9 additions & 16 deletions .github/workflows/track-estate-audit.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -43,8 +43,7 @@ jobs:
# (hypatia WF013 / WH006). The whole job is a clone, a sed and a PR.
timeout-minutes: 20
permissions:
contents: write
pull-requests: write
contents: read
env:
BRANCH: ci/track-estate-audit
BOT_EMAIL: 41898583+github-actions[bot]@users.noreply.github.com
Expand All @@ -58,22 +57,10 @@ jobs:
allowed-endpoints: >
api.github.com:443
github.com:443
- name: Require the automation token
env:
HAVE_TOKEN: ${{ secrets.AUTOMATION_TOKEN != '' }}
run: |
if [ "$HAVE_TOKEN" != "true" ]; then
echo "::error::AUTOMATION_TOKEN is not set. This job edits files under .github/workflows/, which GITHUB_TOKEN may not push; add the fine-grained token described at the top of this workflow (Contents, Pull requests and Workflows: read/write)."
exit 1
fi
- name: Move every cicd-suite pin to HEAD and open a PR
env:
# AUTOMATION_TOKEN only, and only here: GITHUB_TOKEN cannot push a
# change under .github/workflows/ (a fallback to it would run the
# whole job to a refused push; the step above fails first, naming
# the secret), and the token is scoped to the one step that uses
# it so no earlier action — harden-runner included — can read it.
GH_TOKEN: ${{ secrets.AUTOMATION_TOKEN }}
GH_TOKEN: ${{ github.token }}
WRITE_TOKEN: ${{ secrets.AUTOMATION_TOKEN }}
run: |
set -euo pipefail
gh auth setup-git
Expand Down Expand Up @@ -113,6 +100,12 @@ jobs:
exit 0
fi

if [ -z "$WRITE_TOKEN" ]; then
echo "::error::Stale cicd-suite pins detected. AUTOMATION_TOKEN is required to propose their update."
exit 1
fi
export GH_TOKEN="$WRITE_TOKEN"

# The bot branch is rebuilt from the default branch each run, which
# would discard anything else on it. If someone has pushed to it
# (say, a fix the newer gate needed), leave it for review.
Expand Down
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