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Test to remove the <none>-tagged copy after backup is created

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mag37 2025-11-29 17:06:06 +01:00
parent 85e2b2c02c
commit 160f4a2c5f
1 changed files with 8 additions and 1 deletions
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9
dockcheck.sh
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@ -562,6 +562,7 @@ if [[ -n "${GotUpdates:-}" ]]; then
# Add new backup tag prior to pulling if option is set
if [[ -n "${DaysKept:-}" ]]; then
ContRepoDigests=$(docker image inspect "$ImageId" --format "{{index .RepoDigests 0}}")
ContRepo=${ContImage%:*}
ContApp=${ContRepo#*/}
[[ "$ContImage" =~ ":" ]] && ContTag=${ContImage#*:} || ContTag="latest"
@ -581,7 +582,13 @@ if [[ -n "${GotUpdates:-}" ]]; then
continue
fi
docker pull "$ContImage" || { printf "\n%bDocker error, exiting!%b\n" "$c_red" "$c_reset" ; exit 1; }
if docker pull "$ContImage"; then
# Removal of the <none>-tag image left behind from backup
[[ -n "${DaysKept:-}" ]] && docker rmi "$ContRepoDigests"
else
printf "\n%bDocker error, exiting!%b\n" "$c_red" "$c_reset" ; exit 1
fi
done
printf "\n%bDone pulling updates.%b\n" "$c_green" "$c_reset"