mamweb/diff_db_backup.sh

#!/bin/bash

DBNAME=mam-prod
F1="$1"
F2="$2"
TMPF1=`tempfile`
TMPF2=`tempfile`

if which colordiff; then
  DIFF=colordiff
else
  DIFF=diff
fi

if [ "z$F1" == "z" ]; then
  echo "Requies argument"
  exit 1
fi

cat "$F1" | bunzip2 > "$TMPF1"

if [ "z$F2" == "z" ]; then
  echo "Diff from $F1 to current DB:"
  pg_dump $DBNAME -U mam >"$TMPF2"
else
  echo "Diff from $F1 to $F2:"
  cat "$F2" | bunzip2 > "$TMPF2"
fi

$DIFF "$TMPF1" "$TMPF2"

rm "$TMPF1" "$TMPF2"