f085b78fd7
pnpm install after a dependabot bump keeps duplicate versions of packages that happen to be pinned via overlapping semver ranges. For singleton-ish libraries (i18next, react-i18next) that's a latent bug: the server's module instance and the client's module instance each hold their own state, and SSR output doesn't match CSR. #272 ran into this with an i18next patch bump — the bumped version stayed on some dep paths while other paths kept the old version. A manual `pnpm dedupe` collapsed them and hydration worked again. This workflow fires on every dependabot PR, runs `pnpm dedupe`, and pushes the resulting lockfile update back to the PR branch so CI runs against the deduped tree. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
50 lines
1.7 KiB
YAML
50 lines
1.7 KiB
YAML
name: Dependabot dedupe
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# Dependabot opens a PR after a bump, but `pnpm install` alone doesn't
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# dedupe peer copies of packages (e.g. two versions of i18next, each
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# holding their own singleton state). That split caused a hydration
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# mismatch on #272 until a manual `pnpm dedupe` collapsed them.
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#
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# This workflow fires on every dependabot PR, runs `pnpm dedupe`, and
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# pushes the resulting lockfile update back to the PR branch so the
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# subsequent CI run tests the deduped tree.
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on:
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pull_request:
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branches: [main]
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permissions:
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contents: write
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jobs:
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dedupe:
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if: github.actor == 'dependabot[bot]'
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v6
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with:
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ref: ${{ github.head_ref }}
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# Use a PAT-like token so the follow-up push re-triggers CI
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# (pushes made with GITHUB_TOKEN do not trigger workflow runs).
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# Falls back to GITHUB_TOKEN in environments that don't have
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# the PAT configured — still pushes, just without re-running CI.
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token: ${{ secrets.DEPENDABOT_DEDUPE_TOKEN || secrets.GITHUB_TOKEN }}
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- uses: pnpm/action-setup@v6
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- uses: actions/setup-node@v6
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with:
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node-version: 24
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cache: pnpm
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- run: pnpm install --frozen-lockfile=false
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- run: pnpm dedupe
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- name: Commit dedupe changes
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run: |
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if [ -n "$(git status --porcelain pnpm-lock.yaml)" ]; then
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git config user.name "dependabot[bot]"
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git config user.email "49699333+dependabot[bot]@users.noreply.github.com"
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git add pnpm-lock.yaml
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git commit -m "pnpm dedupe"
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git push
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echo "Deduped lockfile pushed."
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else
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echo "Lockfile already deduped."
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fi
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