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dockerTools.buildImage: preserve layers ordering at image repacking

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This patch preserves the ordering of layers of a parent image when the
new image is packed.

It is currently not the case: layers are stacked in the reverse order.

Fixes #55290
This commit is contained in:
Antoine Eiche 2019-02-16 00:40:34 +01:00
parent 8568f68e61
commit da7cd82ab1
1 changed files with 1 additions and 1 deletions
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2
pkgs/build-support/docker/default.nix
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@ -776,7 +776,7 @@ rec {
imageJson=$(cat ${baseJson} | jq ". + {\"rootfs\": {\"diff_ids\": [], \"type\": \"layers\"}}")
manifestJson=$(jq -n "[{\"RepoTags\":[\"$imageName:$imageTag\"]}]")
for layerTar in $(cat ./layer-list); do
for layerTar in $(tac ./layer-list); do
layerChecksum=$(sha256sum image/$layerTar | cut -d ' ' -f1)
imageJson=$(echo "$imageJson" | jq ".history |= [{\"created\": \"$(jq -r .created ${baseJson})\"}] + .")
imageJson=$(echo "$imageJson" | jq ".rootfs.diff_ids |= [\"sha256:$layerChecksum\"] + .")