bumps all SOA to trigger update

bump-soa.sh

#!/bin/bash

ts=$(date +%s)
FILES="/var/lib/coredns/zones/*"

for f in $FILES
do
  echo "Processing $f file..."
  gawk -i inplace '!/hostmaster.hetmer.net/' $f
  origin=$(awk 'NR==1{print $1}' $f)
  sed -i "1s/^/$origin	3600	IN	SOA	ananas.ns.hetmer.net. hostmaster.hetmer.net. $ts 21600 3600 864000 3600\n/" $f
done


cd /var/lib/coredns/zones
if [ -n "$(git status --porcelain)" ]; then
    git config --add safe.directory /var/lib/coredns/zones
    git config user.email "[email protected]"
    git config user.name "coredns"
    git add .
    git commit -m "synced on $(date -I) $(date +%T)"
fi