mutate.Extract ignored opaque whiteout

[ssst0n3]

d2vm/docker_image.go

Line 122 in 897f49a

if _, err := io.Copy(f, mutate.Extract(i.img)); err != nil {

more details:

• ggcr: mutate.Extract does not handle whiteouts of directories properly google/go-containerregistry#1897
• fix: Squash hard link/opaque whiteout handling sylabs/oci-tools#38

[Adphi]

@ssst0n3, maybe we could add another stage that flatten the image in the dockerfile directly... e.g:

FROM ... AS base

#...

FROM scratch AS rootfs

COPY --from=base / /

[ssst0n3]

The link I pasted above explains in detail the reasons for this issue.