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Clarified readme and prune message

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mag37 2025-10-02 08:40:13 +02:00
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6
README.md
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@ -69,7 +69,7 @@ Options:
-h Print this Help.
-i Inform - send a preconfigured notification.
-I Prints custom releasenote urls alongside each container with updates in CLI output (requires urls.list).
-l Only update if label is set. See readme.
-l Only include containers with label set. See readme.
-m Monochrome mode, no printf colour codes and hides progress bar.
-M Prints custom releasenote urls as markdown (requires template support).
-n No updates, only checking availability.
@ -283,10 +283,12 @@ Optionally add labels to compose-files. Currently these are the usable labels:
mag37.dockcheck.only-specific-container: true
mag37.dockcheck.restart-stack: true
```
- `mag37.dockcheck.update: true` will when used with the `-l` option only update containers with this label and skip the rest. Will still list updates as usual.
- `mag37.dockcheck.update: true` will when used with the `-l` option only check and update containers with this label set and skip the rest.
- `mag37.dockcheck.only-specific-container: true` works instead of the `-F` option, specifying the updated container when doing compose up, like `docker compose up -d homer`.
- `mag37.dockcheck.restart-stack: true` works instead of the `-f` option, forcing stop+restart on the whole compose-stack (Caution: Will restart on every updated container within stack).
Adding or modifying labels in compose-files requires a restart of the container to take effect.
## Workaround for non **amd64** / **arm64**
`regctl` provides binaries for amd64/arm64, to use on other architecture you could try this workaround.
Run regctl in a container wrapped in a shell script. Copied from [regclient/docs/install.md](https://github.com/regclient/regclient/blob/main/docs/install.md):

2
dockcheck.sh
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@ -600,7 +600,7 @@ if [[ -n "${GotUpdates:-}" ]]; then
${DockerBin} ${CompleteConfs} ${ContEnvs} up -d ${SpecificContainer} || { printf "\n%bDocker error, exiting!%b\n" "$c_red" "$c_reset" ; exit 1; }
fi
done
if [[ "$AutoPrune" == false ]] && [[ "$AutoMode" == false ]]; then printf "\n"; read -rep "Would you like to prune dangling images? y/[n]: " AutoPrune; fi
if [[ "$AutoPrune" == false ]] && [[ "$AutoMode" == false ]]; then printf "\n"; read -rep "Would you like to prune all dangling images? y/[n]: " AutoPrune; fi
if [[ "$AutoPrune" == true ]] || [[ "$AutoPrune" =~ [yY] ]]; then printf "\nAuto pruning.."; docker image prune -f; fi
printf "\n%bAll done!%b\n" "$c_green" "$c_reset"
else