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It's hard to put the sourcing of ./.attrs.sh into all builder consistently - mistakes will happen. Thus, load structured attrs once in make-derivation and then source the remaining builder on top. This should fix quite a few builders with structured attributes in principle. Most importantly it helps substitute / substituteAll, which are required for bootstrap on some platforms.
26 lines
1.1 KiB
Bash
26 lines
1.1 KiB
Bash
echo "exporting ${repository}/${imageName} (tag: ${tag}) into ${out}"
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mkdir -p "${out}"
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cat <<EOF > "${out}/compositeImage.sh"
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#! ${bash}/bin/bash
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#
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# Create a tar archive of a docker image's layers, docker image config
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# json, manifest.json, and repositories json; this streams directly to
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# stdout and is intended to be used in concert with docker load, i.e:
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#
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# ${out}/compositeImage.sh | docker load
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# The first character follow the 's' command for sed becomes the
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# delimiter sed will use; this makes the transformation regex easy to
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# read. We feed tar a file listing the files we want in the archive,
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# because the paths are absolute and docker load wants them flattened in
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# the archive, we need to transform all of the paths going in by
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# stripping everything *including* the last solidus so that we end up
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# with the basename of the path.
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${gnutar}/bin/tar \
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--transform='s=.*/==' \
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--transform="s=.*-manifest.json=manifest.json=" \
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--transform="s=.*-repositories=repositories=" \
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-c "${manifest}" "${repositories}" -T "${imageFileStorePaths}"
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EOF
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chmod +x "${out}/compositeImage.sh"
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