18 lines
702 B
Bash
18 lines
702 B
Bash
#!/bin/bash
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### Requires the regctl binary, either in PATH or as an alias
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### Get it here: https://github.com/regclient/regclient/releases
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alias regctl="/path/to/regctl"
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dockcheck () {
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if [[ -z "$1" ]]; then
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echo "No container name given, here's the list of currently running containers:"
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docker ps --format '{{.Names}}'
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else
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RepoUrl=$(docker inspect "$1" --format='{{.Config.Image}}')
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LocalHash=$(docker image inspect "$RepoUrl" --format '{{.RepoDigests}}' | sed -e 's/.*sha256/sha256/' -e 's/\]$//')
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RegHash=$(regctl image digest --list "$RepoUrl")
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if [[ "$LocalHash" != "$RegHash" ]] ; then printf "Updates available.\n" ; else printf "Already latest.\n" ; fi
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fi
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}
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