tests/util/grub-shell-tester.in

   1 #! /bin/bash -e
   2
   3 # Compares GRUB script output with BASH output.
   4 # Copyright (C) 1999,2000,2001,2002,2003,2004,2005,2006,2007,2008,2009  Free Software Foundation, Inc.
   5 #
   6 # GRUB is free software: you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation, either version 3 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # GRUB is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 # Initialize some variables.
  20 transform="@program_transform_name@"
  21
  22 prefix=@prefix@
  23 exec_prefix=@exec_prefix@
  24 bindir=@bindir@
  25 libdir=@libdir@
  26 builddir=@builddir@
  27 PACKAGE_NAME=@PACKAGE_NAME@
  28 PACKAGE_TARNAME=@PACKAGE_TARNAME@
  29 PACKAGE_VERSION=@PACKAGE_VERSION@
  30 target_cpu=@target_cpu@
  31
  32 # Force build directory components
  33 PATH=${builddir}:$PATH
  34 export PATH
  35
  36 # Usage: usage
  37 # Print the usage.
  38 usage () {
  39     cat <<EOF
  40 Usage: $0 [OPTION] [SOURCE]
  41 Compares GRUB script output with BASH shell output.
  42
  43   -h, --help              print this message and exit
  44   -v, --version           print the version information and exit
  45   --modules=MODULES       pre-load specified modules MODULES
  46   --qemu-opts=OPTIONS     extra options to pass to Qemu instance
  47
  48 $0 compares GRUB script output with BASH shell output and prints their
  49 differences.
  50
  51 Report bugs to <bug-grub@gnu.org>.
  52 EOF
  53 }
  54
  55 # Check the arguments.
  56 for option in "$@"; do
  57     case "$option" in
  58     -h | --help)
  59         usage
  60         exit 0 ;;
  61     -v | --version)
  62         echo "$0 (GNU GRUB ${PACKAGE_VERSION})"
  63         exit 0 ;;
  64     --modules=*)
  65         ms=`echo "$option" | sed -e 's/--modules=//'`
  66         modules="$modules,$ms" ;;
  67     --qemu-opts=*)
  68         qs=`echo "$option" | sed -e 's/--qemu-opts=//'`
  69         qemuopts="$qemuopts $qs" ;;
  70     -*)
  71         echo "Unrecognized option \`$option'" 1>&2
  72         usage
  73         exit 1
  74         ;;
  75     *)
  76         if [ "x${source}" != x ] ; then
  77             echo "too many parameters at the end" 1>&2
  78             usage
  79             exit 1
  80         fi
  81         source="${option}" ;;
  82     esac
  83 done
  84
  85 if [ "x${source}" = x ] ; then
  86   tmpfile=`mktemp`
  87   while read; do
  88     echo $REPLY >> ${tmpfile}
  89   done
  90   source=${tmpfile}
  91 fi
  92
  93 outfile1=`mktemp`
  94 @builddir@/grub-shell --qemu-opts="${qemuopts}" --modules=${modules} ${source} >${outfile1}
  95
  96 outfile2=`mktemp`
  97 bash ${source} >${outfile2}
  98
  99 if ! diff -q ${outfile1} ${outfile2} >/dev/null
 100 then
 101   echo "${source}: GRUB and BASH outputs did not match (see diff -u ${outfile1} ${outfile2})"
 102   status=1
 103 else
 104     rm -f ${outfile1} ${outfile2}
 105 fi
 106
 107 exit $status
 108
 109