grub/tests/util/grub-shell-tester.in
2010-08-19 17:50:05 +05:30

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#! /bin/sh -e
# Compares GRUB script output with BASH output.
# Copyright (C) 2009,2010 Free Software Foundation, Inc.
#
# GRUB is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# GRUB is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GRUB. If not, see <http://www.gnu.org/licenses/>.
# Initialize some variables.
transform="@program_transform_name@"
prefix=@prefix@
exec_prefix=@exec_prefix@
bindir=@bindir@
libdir=@libdir@
builddir=@builddir@
PACKAGE_NAME=@PACKAGE_NAME@
PACKAGE_TARNAME=@PACKAGE_TARNAME@
PACKAGE_VERSION=@PACKAGE_VERSION@
target_cpu=@target_cpu@
# Force build directory components
PATH=${builddir}:$PATH
export PATH
# Usage: usage
# Print the usage.
usage () {
cat <<EOF
Usage: $0 [OPTION] [SOURCE]
Compares GRUB script output with BASH shell output.
-h, --help print this message and exit
-v, --version print the version information and exit
--modules=MODULES pre-load specified modules MODULES
--qemu-opts=OPTIONS extra options to pass to Qemu instance
$0 compares GRUB script output with BASH shell output and prints their
differences.
Report bugs to <bug-grub@gnu.org>.
EOF
}
# Check the arguments.
for option in "$@"; do
case "$option" in
-h | --help)
usage
exit 0 ;;
-v | --version)
echo "$0 (GNU GRUB ${PACKAGE_VERSION})"
exit 0 ;;
--modules=*)
ms=`echo "$option" | sed -e 's/--modules=//'`
modules="$modules,$ms" ;;
--qemu-opts=*)
qs=`echo "$option" | sed -e 's/--qemu-opts=//'`
qemuopts="$qemuopts $qs" ;;
-*)
echo "Unrecognized option \`$option'" 1>&2
usage
exit 1
;;
*)
if [ "x${source}" != x ] ; then
echo "too many parameters at the end" 1>&2
usage
exit 1
fi
source="${option}" ;;
esac
done
if [ "x${source}" = x ] ; then
tmpfile=`mktemp`
while read REPLY; do
echo $REPLY >> ${tmpfile}
done
source=${tmpfile}
fi
outfile1=`mktemp`
@builddir@/grub-shell --qemu-opts="${qemuopts}" --modules=${modules} ${source} >${outfile1}
outfile2=`mktemp`
bash ${source} >${outfile2}
if ! diff -q ${outfile1} ${outfile2} >/dev/null
then
echo "${source}: GRUB and BASH outputs did not match (see diff -u ${outfile1} ${outfile2})"
status=1
else
rm -f ${outfile1} ${outfile2}
fi
exit $status