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ci: key the Playwright browser cache on the runner image and installed version #144

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Merged
lwwmanning merged 1 commit into from
Oct 30, 2026
Merged

ci: key the Playwright browser cache on the runner image and installed version #144

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11 changes: 8 additions & 3 deletions .github/workflows/ci.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -123,18 +123,23 @@ jobs:
# bumps, hits otherwise. System deps (apt packages) aren't covered by
# the cache, so install those separately even on cache hit (~10s vs
# ~3min for the full install).
# Key the cache on the installed version, not the range in package.json,
# which a lock refresh can move past, and on the runner image: browser
# builds link against the image's system libraries, so a cache made on
# ubuntu24 fails on ubuntu26.
- name: Get Playwright version
id: playwright-version
run: |
VERSION=$(grep -oE '"@playwright/test": "[^"]+"' package.json | grep -oE '[0-9]+\.[0-9]+\.[0-9]+')
echo "version=$VERSION" >> $GITHUB_OUTPUT
VERSION=$(node -p "require('@playwright/test/package.json').version")
echo "version=$VERSION" >> "$GITHUB_OUTPUT"
echo "image=${ImageOS:-unknown}" >> "$GITHUB_OUTPUT"

- name: Cache Playwright browsers
id: playwright-cache
uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
with:
path: ~/.cache/ms-playwright
key: ${{ runner.os }}-playwright-${{ steps.playwright-version.outputs.version }}
key: ${{ runner.os }}-${{ steps.playwright-version.outputs.image }}-playwright-${{ steps.playwright-version.outputs.version }}

- name: Install Playwright browsers (cache miss)
if: steps.playwright-cache.outputs.cache-hit != 'true'
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