#! /bin/bash

# create a randome file
file="`mktemp "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX"`" || exit 1
cat >$file <<EOF
hello world!
EOF

. "@builddir@/grub-core/modinfo.sh"

if [ x"${grub_modinfo_platform}" = xemu ]; then
    grub_file="(host)$file"
else
    grub_file="/boot/grub/file"
fi


outfile1="`mktemp "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX"`" || exit 1
@builddir@/grub-shell --files=/boot/grub/file=$file >$outfile1 <<EOF
sha512sum $grub_file
EOF

outfile2="`mktemp "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX"`" || exit 1
sha512sum $file >$outfile2

SHA1=`cat $outfile1 | tr -d '\n' | cut -f1 -d\ `
SHA2=`cat $outfile2 | cut -f1 -d\ `

if test "$SHA1" = "$SHA2"; then
    rm -f ${outfile1} ${outfile2}
    exit 0
else
    echo "GRUB sha512sum output did not match sha512sum output."
    echo "See diff -u ${outfile1} ${outfile2}"
    exit 1
fi