build-compare/rpm-check.sh

242 lines
6.3 KiB
Bash

#! /bin/bash
#
# Copyright (c) 2009 SUSE Linux Product Gmbh, Germany.
# Licensed under GPL v2, see COPYING file for details.
#
# Written by Michael Matz and Stephan Coolo
#
RPM="rpm -qp --nodigest --nosignature"
if test "$#" != 2; then
echo "usage: $0 old.rpm new.rpm"
exit 1
fi
oldrpm=`readlink -f $1`
newrpm=`readlink -f $2`
if test ! -f $oldrpm; then
echo "can't open $oldrpm"
exit 1
fi
if test ! -f $newrpm; then
echo "can't open $newrpm"
exit 1
fi
filter_disasm()
{
sed -e 's/^ *[0-9a-f]\+://' -e 's/\$0x[0-9a-f]\+/$something/' -e 's/callq *[0-9a-f]\+/callq /' -e 's/# *[0-9a-f]\+/# /' -e 's/\(0x\)\?[0-9a-f]\+(/offset(/' -e 's/[0-9a-f]\+ </</' -e 's/^<\(.*\)>:/\1:/' -e 's/<\(.*\)+0x[0-9a-f]\+>/<\1 + ofs>/'
}
QF="%{NAME}"
# don't look at RELEASE, it contains our build number
QF="$QF %{VERSION} %{EPOCH}\\n"
QF="$QF %{SUMMARY}\\n%{DESCRIPTION}\\n"
# ignored for now
#QF="$QF %{VENDOR} %{DISTRIBUTION}"
QF="$QF %{LICENSE} %{COPYRIGHT}\\n"
QF="$QF %{GROUP} %{URL} %{EXCLUDEARCH} %{EXCLUDEOS} %{EXCLUSIVEARCH}\\n"
QF="$QF %{EXCLUSIVEOS} %{RPMVERSION} %{PLATFORM}\\n"
QF="$QF %{PAYLOADFORMAT} %{PAYLOADCOMPRESSOR} %{PAYLOADFLAGS}\\n"
QF="$QF [%{PREINPROG} %{PREIN}\\n]\\n[%{POSTINPROG} %{POSTIN}\\n]\\n[%{PREUNPROG} %{PREUN}\\n]\\n[%{POSTUNPROG} %{POSTUN}\\n]\\n"
# XXX We also need to check the existence (but not the content (!))
# of SIGGPG (and perhaps the other SIG*)
# XXX We don't look at triggers
QF="$QF [%{VERIFYSCRIPTPROG} %{VERIFYSCRIPT}]\\n"
# Only the first ChangeLog entry; should be enough
QF="$QF %{CHANGELOGTIME} %{CHANGELOGNAME} %{CHANGELOGTEXT}\\n"
file1=`mktemp`
file2=`mktemp`
check_header()
{
$RPM --qf "$QF" "$1"
}
check_header $oldrpm > $file1
check_header $newrpm > $file2
# the DISTURL tag can be used as checkin ID
#echo "$QF"
if ! diff -au $file1 $file2; then
rm $file1 $file2
exit 1
fi
release1=`$RPM --qf "%{RELEASE}" "$oldrpm"`
release2=`$RPM --qf "%{RELEASE}" "$newrpm"`
check_provides()
{
# provides destroy this because at least the self-provide includes the
# -buildnumber :-(
QF="[%{PROVIDENAME} %{PROVIDEFLAGS} %{PROVIDEVERSION}\\n]\\n"
QF="$QF [%{REQUIRENAME} %{REQUIREFLAGS} %{REQUIREVERSION}\\n]\\n"
QF="$QF [%{CONFLICTNAME} %{CONFLICTFLAGS} %{CONFLICTVERSION}\\n]\\n"
QF="$QF [%{OBSOLETENAME} %{OBSOLETEFLAGS} %{OBSOLETEVERSION}\\n]\\n"
check_header "$1" | sed -e "s,-$2,-@RELEASE@,"
}
check_provides $oldrpm $release1 > $file1
check_provides $newrpm $release2 > $file2
if ! diff -au $file1 $file2; then
rm $file1 $file2
exit 1
fi
# First check the file attributes and later the md5s
# Now the files. We leave out mtime and size. For normal files
# the size will influence the MD5 anyway. For directories the sizes can
# differ, depending on which file system the package was built. To not
# have to filter out directories we simply ignore all sizes.
# Also leave out FILEDEVICES, FILEINODES (depends on the build host),
# FILECOLORS, FILECLASS (???), FILEDEPENDSX and FILEDEPENDSN.
# Also FILELANGS (or?)
QF="[%{FILENAMES} %{FILEFLAGS} %{FILESTATES} %{FILEMODES:octal} %{FILEUSERNAME} %{FILEGROUPNAME} %{FILERDEVS} %{FILEVERIFYFLAGS} %{FILELINKTOS}\n]\\n"
# ??? what to do with FILEPROVIDE and FILEREQUIRE?
check_header $oldrpm > $file1
check_header $newrpm > $file2
if ! diff -au $file1 $file2; then
rm $file1 $file2
exit 1
fi
# now the md5sums. if they are different, we check more detailed
# if there are different filenames, we will already have aborted before
QF="[%{FILENAMES} %{FILEMD5S}\n]\\n"
check_header $oldrpm > $file1
check_header $newrpm > $file2
# done if the same
if cmp -s $file1 $file2; then
rm $file1 $file2
exit 0
fi
files=`diff -U0 $file1 $file2 | fgrep -v +++ | grep ^+ | cut -b2- | awk '{print $1}'`
dir=`mktemp -d`
cd $dir
mkdir old
cd old
/usr/bin/unrpm -q $oldrpm
cd ..
mkdir new
cd new
/usr/bin/unrpm -q $newrpm
cd ..
dfile=`mktemp`
ret=0
check_single_file()
{
file=$1
case $file in
*.spec)
sed -i -e "s,Release:.*$release1,Release: @RELEASE@," old/$file
sed -i -e "s,Release:.*$release2,Release: @RELEASE@," new/$file
;;
*.dll|*.exe)
# we can't handle it well enough
echo "mono files unhandled ($file)"
ret=1
break;;
*.a)
flist=`ar t new/$file`
pwd=$PWD
fdir=`dirname $file`
cd old/$fdir
ar x `basename $file`
cd $pwd/new/$fdir
ar x `basename $file`
cd $pwd
for f in $flist; do
check_single_file $fdir/$f
done
continue;;
*.pyc|*.pyo)
perl -E "open fh, '+<', 'old/$file'; seek fh, 3, SEEK_SET; print fh '0000';"
perl -E "open fh, '+<', 'new/$file'; seek fh, 3, SEEK_SET; print fh '0000';"
;;
*.bz2)
bunzip2 old/$file new/$file
check_single_file ${file/.bz2/}
continue;;
*.gz)
gunzip old/$file new/$file
check_single_file ${file/.gz/}
continue;;
esac
ftype=`/usr/bin/file old/$file | cut -d: -f2-`
case $ftype in
*executable*|*LSB\ shared\ object*)
objdump -d --no-show-raw-insn old/$file | filter_disasm > $file1
sed -i -e "s,old/,," $file1
objdump -d --no-show-raw-insn new/$file | filter_disasm > $file2
sed -i -e "s,new/,," $file2
if ! diff -u $file1 $file2 > $dfile; then
echo "$file differs in assembler output"
head -n 200 $dfile
ret=1
break
fi
objdump -s old/$file > $file1
sed -i -e "s,old/,," $file1
objdump -s new/$file > $file2
sed -i -e "s,new/,," $file2
if ! diff -u $file1 $file2 > $dfile; then
echo "$file differs in ELF sections"
head -n 200 $dfile
else
echo "WARNING: no idea about $file"
fi
ret=1
break
;;
*ASCII*|*text*)
if ! cmp -s old/$file new/$file; then
echo "$file differs ($ftype)"
diff -u old/$file new/$file | head -n 200
ret=1
break
fi
;;
*)
if ! cmp -s old/$file new/$file; then
echo "$file differs ($ftype)"
hexdump -C old/$file > $file1
hexdump -C new/$file > $file2
diff -u $file1 $file2 | head -n 200
ret=1
break
fi
;;
esac
}
for file in $files; do
check_single_file $file
done
rm $file1 $file2 $dfile
rm -r $dir
exit $ret