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docker-backup: fixup backup step #66

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Merged
pheiduck merged 1 commit into from
Jun 3, 2026
Merged

docker-backup: fixup backup step #66

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18 changes: 15 additions & 3 deletions docker/docker-backup
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Original file line number Diff line number Diff line change
Expand Up @@ -37,9 +37,21 @@ done
# Nur die drei neuesten Backups behalten
backup_dir="$HOME"

setopt NULL_GLOB
typeset -a backups
backups=()

backups=("${backup_dir}"/docker-backup-*.tar.zst(On))
for f in "$backup_dir"/docker-backup-*.tar.zst(N); do
[[ -f "$f" ]] || continue
base="${f:t}"
datepart="${base#docker-backup-}"
datepart="${datepart%.tar.zst}"
dd="${datepart[1,2]}"
mm="${datepart[3,4]}"
yy="${datepart[5,6]}"
backups+=("20${yy}${mm}${dd} $f")
done

backups=(${(f)"$(print -l "${backups[@]}" | sort -r | awk '{print $2}')"})

if (( ${#backups[@]} > 3 )); then
for file in "${backups[@]:3}"; do
Expand All @@ -50,4 +62,4 @@ else
echo "Nur ${#backups[@]} Backup(s) vorhanden – nichts zu löschen."
fi

echo "${YELLOW}Backup abgeschlossen.${NC}"
print "${YELLOW}Backup abgeschlossen.${NC}"