#!/bin/sh
set -e

# mkconf of mdadm creates a file with a timestamp
# A bug report with patch is available at https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=982607
# This script duplicates that patch

# Don't run if mdadm is not installed
if [ ! -e /usr/share/mdadm/mkconf ];
then
  exit 0
fi

# If mkconf already contains references to SOURCE_DATE_EPOCH, there is no need to patch the file
if grep -q SOURCE_DATE_EPOCH /usr/share/mdadm/mkconf;
then
  exit 0
fi
sed -i -e '/# This configuration was auto-generated on/cif [ -z $SOURCE_DATE_EPOCH ]; then\n  echo "# This configuration was auto-generated on $(date -R) by mkconf"\nelse\n  echo "# This configuration was auto-generated on $(date -R --utc -d@$SOURCE_DATE_EPOCH) by mkconf"\nfi' /usr/share/mdadm/mkconf

echo "P: $(basename $0) Reproducible hook has been applied"