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mag37 2023-01-18 11:53:28 +01:00 • committed by GitHub
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### Requires the regctl binary, either in PATH or as an alias
### Get it here: https://github.com/regclient/regclient/releases
alias="/path/to/regctl"
dockcheck () {
if [[ -z "$1" ]]; then
echo "No container name given, here's the list of currently running containers:"
docker ps --format '{{.Names}}'
else
RepoUrl=$(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 $RepoUrl)
if [[ "$LocalHash" != "$RegHash" ]] ; then printf "Updates available.\n" ; else printf "Already latest.\n" ; fi
fi
}