mirror of https://github.com/docker/docs.git
39 lines
989 B
Bash
39 lines
989 B
Bash
#!/bin/bash
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set -e
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# this list should match roughly what's in the Dockerfile (minus the explicit image IDs, of course)
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images=(
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busybox:latest
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hello-world:frozen
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jess/unshare:latest
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)
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if ! docker inspect "${images[@]}" &> /dev/null; then
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hardCodedDir='/docker-frozen-images'
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if [ -d "$hardCodedDir" ]; then
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( set -x; tar -cC "$hardCodedDir" . | docker load )
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else
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dir="$DEST/frozen-images"
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# extract the exact "RUN download-frozen-image.sh" line from the Dockerfile itself for consistency
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# NOTE: this will fail if either "curl" is not installed or if the Dockerfile is not available/readable
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awk '
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$1 == "RUN" && $2 == "./contrib/download-frozen-image.sh" {
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for (i = 2; i < NF; i++)
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printf ( $i == "'"$hardCodedDir"'" ? "'"$dir"'" : $i ) " ";
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print $NF;
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if (/\\$/) {
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inCont = 1;
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next;
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}
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}
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inCont {
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print;
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if (!/\\$/) {
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inCont = 0;
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}
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}
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' Dockerfile | sh -x
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( set -x; tar -cC "$dir" . | docker load )
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fi
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fi
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