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question: append with an empty base and environment vars? #1881

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jordan-da opened this issue Feb 22, 2024 · 3 comments · May be fixed by #1882
Open

question: append with an empty base and environment vars? #1881

jordan-da opened this issue Feb 22, 2024 · 3 comments · May be fixed by #1882
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@jordan-da
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jordan-da commented Feb 22, 2024 •
edited

I know it's possible to append over an empty base or mutate an existing base with environment vars or append layers to it, but is it possible to append layers and environment vars over an empty base?

For example, something like:

crane mutate --oci-empty-base -e foo=bar --append tarball.tgz -t someregistry/someimage:sometag

or

crane append --oci-empty-base -e foo=bar -f tarball.tgz -t someregistry/someimage:sometag
@jordan-da jordan-da added the question Further information is requested label Feb 22, 2024
@jordan-da
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Slightly related but I noticed that even Ko doesn't really support this?

ko-build/ko#800

Is there is technical reason this is so tricky?

@jordan-da
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jordan-da commented Feb 22, 2024 •
edited

maybe what i am asking for is for this to work?

crane mutate scratch -e foo=bar --append tarball.tgz -t  us.gcr.io/my-images/my-image:image
Error: pulling scratch: GET https://index.docker.io/v2/library/scratch/manifests/latest: MANIFEST_UNKNOWN: manifest unknown; unknown tag=latest

@jordan-da jordan-da linked a pull request Feb 22, 2024 that will close this issue
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@thesayyn
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thesayyn commented Mar 4, 2024

You can combine crane append with crane mutate. That's what we do in rules_oci

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support mutating scratch images jordan-da/go-containerregistry
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@thesayyn @jordan-da