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Update dockcheck_function.sh

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safer code, encapsulation etc
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mag37 2023-01-18 19:24:29 +01:00 • committed by GitHub
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commit 0f14b123ef
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1 changed files with 3 additions and 3 deletions
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dockcheck_function.sh
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@ -9,9 +9,9 @@ dockcheck () {
echo "No container name given, here's the list of currently running containers:"
docker ps --format '{{.Names}}'
else
RepoUrl=$(docker inspect $1 --format='{{.Config.Image}}')
LocalHash=$(docker image inspect $RepoUrl --format '{{.RepoDigests}}' | sed -e 's/.*sha256/sha256/' -e 's/\]$//')
RegHash=$(regctl image digest --list $RepoUrl)
RepoUrl=$(docker inspect "$1" --format='{{.Config.Image}}')
LocalHash=$(docker image inspect "$RepoUrl" --format '{{.RepoDigests}}' | sed -e 's/.*sha256/sha256/' -e 's/\]$//')
RegHash=$(regctl image digest --list "$RepoUrl")
if [[ "$LocalHash" != "$RegHash" ]] ; then printf "Updates available.\n" ; else printf "Already latest.\n" ; fi
fi
}