AppView in a box as a Vite plugin thing
hatk.dev
fix: handle missing root block in diff CARs and add SIGTERM handler
- Fall back to full import when diff CAR is missing root block (PDS
returned 200 but compacted past our since rev)
- Handle SIGTERM for graceful shutdown on container platforms
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
+23
-3
+17
-3
packages/hatk/src/backfill.ts
+17
-3
packages/hatk/src/backfill.ts
···
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}
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resolvedSince = lastRev
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-
const { roots, blocks, byteLength } = await parseCarStream(res.body!)
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let { roots, blocks, byteLength } = await parseCarStream(res.body!)
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carSizeBytes = byteLength
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// Decode commit to get MST root
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const rootData = blocks.get(roots[0])
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// Decode commit to get MST root — if the diff CAR is missing the root block,
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// fall back to a full import (the PDS compacted past our `since` rev)
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let rootData = blocks.get(roots[0])
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if (!rootData && lastRev) {
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lastRev = null
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resolvedSince = null
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res = await fetch(baseUrl, { signal: controller.signal })
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if (!res.ok) {
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const httpErr = new Error(`getRepo failed for ${did}: ${res.status}`) as Error & { httpStatus: number }
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httpErr.httpStatus = res.status
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throw httpErr
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}
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;({ roots, blocks, byteLength } = await parseCarStream(res.body!))
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carSizeBytes = byteLength
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rootData = blocks.get(roots[0])
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}
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if (!rootData) throw new Error(`No root block for ${did}`)
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const { value: commit } = cborDecode(rootData)
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