Add --base-url to seed the NVD cache from a published base#415
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Add --base-url to seed the NVD cache from a published base#415anatoliy-balakirev wants to merge 1 commit into
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Building the cache with `cve --cache` crawls the full NVD history through the rate-limited API, which can take hours and fail on 503 or HTTP/2 reset errors. This adds an optional `--base-url`: when the local cache is empty, it downloads a published cache (`cache.properties` plus `nvdcve-*.json.gz`/`.meta` files), verifies each feed gzip against the sha256 in its sibling `.meta`, and lets the existing API update fill in only the recent delta. Existing caches are left untouched. A scheduled GitHub Actions workflow publishes that base as a rolling release: it seeds from the previous release, refreshes from the NVD API, and re-uploads only files that changed, so a fresh `--base-url` seed can avoid a multi-hour full crawl. Closes jeremylong#414
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Building the cache with
cve --cachecrawls the full NVD history through the rate-limited API, which can take hours and fail on 503 or HTTP/2 reset errors.This adds an optional
--base-url: when the local cache is empty, it downloads a published cache (cache.propertiesplusnvdcve-*.json.gz/.metafiles), verifies each feed gzip against the sha256 in its sibling.meta, and lets the existing API update fill in only the recent delta. Existing caches are left untouched.A scheduled GitHub Actions workflow publishes that base as a rolling release: it seeds from the previous release, refreshes from the NVD API, and re-uploads only files that changed, so a fresh
--base-urlseed can avoid a multi-hour full crawl.Closes #414