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fix(docker): defensive digest check

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This commit is contained in:
Rhys Arkins 2021-04-05 09:15:57 +02:00
parent b80e7035c5
commit 325447e7da
1 changed files with 5 additions and 2 deletions
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7
lib/datasource/docker/index.ts
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@ -351,7 +351,10 @@ async function getConfigDigest(
return null; return null;
} }
if (manifest.mediaType === MediaType.manifestListV2) { if (
manifest.mediaType === MediaType.manifestListV2 &&
manifest.manifests.length
) {
logger.trace( logger.trace(
{ registry, dockerRepository, tag }, { registry, dockerRepository, tag },
'Found manifest list, using first image' 'Found manifest list, using first image'
@ -364,7 +367,7 @@ async function getConfigDigest(
} }
if (manifest.mediaType === MediaType.manifestV2) { if (manifest.mediaType === MediaType.manifestV2) {
return manifest.config.digest; return manifest.config?.digest || null;
} }
logger.debug({ manifest }, 'Invalid manifest - returning'); logger.debug({ manifest }, 'Invalid manifest - returning');