fix-tm-backup.sh

#!/usr/bin/env bash

BACKUP_PATH=$1

if [ -z "$BACKUP_PATH" ]; then
    echo "Please provide path to Time Machine backup bundle."
    exit 1
fi

echo "More info at https://jd-powered.net/notes/fixing-your-time-machine-backup/"
echo "Don't forget to enable Full Disk Access in System Preferences -> Security & Privacy -> Privacy tab -> Full Disk Access -> check Terminal or iTerm item"
chflags -R nouchg "$BACKUP_PATH"
VOLUME_ID=$(hdiutil attach -nomount -noverify -noautofsck "$BACKUP_PATH" | grep "Apple_HFS" | awk '{print $1}')
fsck_hfs -drfy "$VOLUME_ID"
hdiutil detach "$VOLUME_ID"
sed -i '' -e '/<key>VerificationState<\/key>/ {' -e 'n; s/<integer>.*<\/integer>/<integer>0<\/integer>/' -e '}' "$BACKUP_PATH/com.apple.TimeMachine.MachineID.plist"