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ci: trigger reindex when MDX frontmatter changes #2384

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1b81574
ci: request reindex when frontmatter changes
blakecduncan Mar 4, 2026
1184e68
ci: simplify reindex trigger to use direct repository dispatch
blakecduncan Mar 5, 2026
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44 changes: 44 additions & 0 deletions .github/workflows/revalidate-sdk-content.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -41,16 +41,49 @@ jobs:
if [ -z "$CHANGED_FILES" ]; then
echo "No MDX files changed in /docs/pages/ directory"
echo "filePaths=[]" >> $GITHUB_OUTPUT
echo "frontmatterChanged=false" >> $GITHUB_OUTPUT
exit 0
fi

# Detect whether any changed file has frontmatter changes
FRONTMATTER_CHANGED=false
extract_frontmatter() {
local ref="$1"
local path="$2"

if ! git cat-file -e "${ref}:${path}" 2>/dev/null; then
return 0
fi

git show "${ref}:${path}" | awk '
NR == 1 && $0 != "---" { exit }
NR == 1 && $0 == "---" { in_frontmatter = 1; next }
in_frontmatter && $0 == "---" { exit }
in_frontmatter { print }
'
}

while IFS= read -r FILE; do
[ -z "$FILE" ] && continue
OLD_FRONTMATTER=$(extract_frontmatter "${{ github.event.before }}" "$FILE")
NEW_FRONTMATTER=$(extract_frontmatter "${{ github.event.after }}" "$FILE")

if [ "$OLD_FRONTMATTER" != "$NEW_FRONTMATTER" ]; then
FRONTMATTER_CHANGED=true
echo "Frontmatter changed in: $FILE"
break
fi
done <<< "$CHANGED_FILES"

# Strip docs/ prefix to get file paths matching Redis cache keys
# e.g., docs/pages/reference/... -> pages/reference/...
FILE_PATHS_JSON=$(echo "$CHANGED_FILES" | sed 's|^docs/||' | jq -R -s -c 'split("\n") | map(select(length > 0))')

FILE_COUNT=$(echo "$FILE_PATHS_JSON" | jq 'length')
echo "Found $FILE_COUNT changed files"
echo "frontmatterChanged: $FRONTMATTER_CHANGED"
echo "filePaths=$FILE_PATHS_JSON" >> $GITHUB_OUTPUT
echo "frontmatterChanged=$FRONTMATTER_CHANGED" >> $GITHUB_OUTPUT

- name: Call revalidation API
if: steps.changed-files.outputs.filePaths != '[]'
Expand Down Expand Up @@ -117,3 +150,14 @@ jobs:
fi

echo "::notice::Successfully revalidated $SUCCEEDED files"

- name: Trigger reindex if frontmatter changed
if: steps.changed-files.outputs.frontmatterChanged == 'true'
run: |
echo "Frontmatter changes detected, triggering SDK content indexer..."
curl -f -X POST \
-H "Authorization: Bearer ${{ secrets.DOCS_GH_TOKEN }}" \
-H "Accept: application/vnd.github.v3+json" \
https://api.github.com/repos/alchemyplatform/docs/dispatches \
-d '{"event_type":"index-sdk-references","client_payload":{"source":"alchemyplatform/aa-sdk","ref":"${{ github.ref }}","sha":"${{ github.sha }}"}}'
echo "::notice::✅ Triggered index-sdk-references in docs repo"
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