File functions.sh of Package build-compare
#! /bin/bash
#
# Copyright (c) 2009, 2010, 2011, 2012 SUSE Linux Product GmbH, Germany.
# Licensed under GPL v2, see COPYING file for details.
#
# Written by Michael Matz and Stephan Coolo
# Enhanced by Andreas Jaeger
# library of functions used by scripts
RPM="rpm -qp --nodigest --nosignature"
check_header()
{
$RPM --qf "$QF" "$1"
}
# Trim version-release string:
# - it is used as direntry below certain paths
# - it is assigned to some variable in scripts, at the end of a line
# - it is used in PROVIDES, at the end of a line
# Trim name-version-release string:
# - it is used in update-scripts which are called by libzypp
function trim_release_old()
{
sed -e "
/\(\/boot\|\/lib\/modules\|\/lib\/firmware\|\/usr\/src\|$version_release_old_regex_l\$\)/{s,$version_release_old_regex_l,@VERSION@-@RELEASE_LONG@,g;s,$version_release_old_regex_s,@VERSION@-@RELEASE_SHORT@,g}
s/\(\/var\/adm\/update-scripts\/\)${name_ver_rel_old_regex_l}\([^[:blank:]]\+\)/\1@NAME_VER_REL@\2/g
"
}
function trim_release_new()
{
sed -e "
/\(\/boot\|\/lib\/modules\|\/lib\/firmware\|\/usr\/src\|$version_release_new_regex_l\$\)/{s,$version_release_new_regex_l,@VERSION@-@RELEASE_LONG@,g;s,$version_release_new_regex_s,@VERSION@-@RELEASE_SHORT@,g}
s/\(\/var\/adm\/update-scripts\/\)${name_ver_rel_new_regex_l}\([^[:blank:]]\+\)/\1@NAME_VER_REL@\2/g
"
}
# Get single directory or filename with long or short release string
function grep_release_old()
{
grep -E "(/boot|/lib/modules|/lib/firmware|/usr/src)/[^/]*(${version_release_old_regex_l}(\$|[^/]+\$)|${version_release_old_regex_s}(\$|[^/]+\$))"
}
function grep_release_new()
{
grep -E "(/boot|/lib/modules|/lib/firmware|/usr/src)/[^/]*(${version_release_new_regex_l}(\$|[^/]+\$)|${version_release_new_regex_s}(\$|[^/]+\$))"
}
function check_provides()
{
local pkg=$1
# provides destroy this because at least the self-provide includes the
# -buildnumber :-(
QF="[%{PROVIDENAME} %{PROVIDEFLAGS} %{PROVIDEVERSION}\\n]\\n"
QF="$QF [%{REQUIRENAME} %{REQUIREFLAGS} %{REQUIREVERSION}\\n]\\n"
QF="$QF [%{CONFLICTNAME} %{CONFLICTFLAGS} %{CONFLICTVERSION}\\n]\\n"
QF="$QF [%{OBSOLETENAME} %{OBSOLETEFLAGS} %{OBSOLETEVERSION}\\n]\\n"
check_header "$pkg"
}
#usage unpackage <file> $dir
# Unpack files in directory $dir
# like /usr/bin/unpackage - just for one file and with no options
function unpackage()
{
local file
local dir
file=$1
dir=$2
mkdir -p $dir
pushd $dir 1>/dev/null
case $file in
*.bz2)
bzip2 -d $file
;;
*.gz)
gzip -d $file
;;
*.xz)
xz -d $file
;;
*.tar|*.tar.bz2|*.tar.gz|*.tgz|*.tbz2)
tar xf $file
;;
*.rpm)
CPIO_OPTS="--extract --unconditional --preserve-modification-time --make-directories --quiet"
rpm2cpio $file | cpio ${CPIO_OPTS}
;;
esac
popd 1>/dev/null
}
# Compare just the rpm meta data of two rpms
# Returns:
# 0 in case of same content
# 1 in case of errors or difference
# 2 in case of differences that need further investigation
# Sets $files with list of files that need further investigation
function cmp_spec ()
{
local RES
local file1 file2
local f
local sh=$1
local oldrpm=$2
local newrpm=$3
QF="%{NAME}"
# don't look at RELEASE, it contains our build number
QF="$QF %{VERSION} %{EPOCH}\\n"
QF="$QF %{SUMMARY}\\n%{DESCRIPTION}\\n"
QF="$QF %{VENDOR} %{DISTRIBUTION} %{DISTURL}"
QF="$QF %{LICENSE} %{LICENSE}\\n"
QF="$QF %{GROUP} %{URL} %{EXCLUDEARCH} %{EXCLUDEOS} %{EXCLUSIVEARCH}\\n"
QF="$QF %{EXCLUSIVEOS} %{RPMVERSION} %{PLATFORM}\\n"
QF="$QF %{PAYLOADFORMAT} %{PAYLOADCOMPRESSOR} %{PAYLOADFLAGS}\\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 $oldrpm > $file1
check_header $newrpm > $file2
# the DISTURL tag can be used as checkin ID
#echo "$QF"
echo "comparing rpmtags"
if ! diff -au $file1 $file2; then
if test -z "$check_all"; then
rm $file1 $file2
return 1
fi
fi
# Remember to quote the . which is in release
version_release_old=$($RPM --qf "%{VERSION}-%{RELEASE}" "$oldrpm")
version_release_new=$($RPM --qf "%{VERSION}-%{RELEASE}" "$newrpm")
name_ver_rel_old=$($RPM --qf "%{NAME}-%{VERSION}-%{RELEASE}" "$oldrpm")
name_ver_rel_new=$($RPM --qf "%{NAME}-%{VERSION}-%{RELEASE}" "$newrpm")
# Short version without B_CNT
version_release_old_regex_s=${version_release_old%.*}
version_release_old_regex_s=${version_release_old_regex_s//./\\.}
version_release_new_regex_s=${version_release_new%.*}
version_release_new_regex_s=${version_release_new_regex_s//./\\.}
# Long version with B_CNT
version_release_old_regex_l=${version_release_old//./\\.}
version_release_new_regex_l=${version_release_new//./\\.}
name_ver_rel_old_regex_l=${name_ver_rel_old//./\\.}
name_ver_rel_new_regex_l=${name_ver_rel_new//./\\.}
# This might happen when?!
echo "comparing RELEASE"
if [ "${version_release_old%.*}" != "${version_release_new%.*}" ] ; then
case $($RPM --qf '%{NAME}' "$newrpm") in
kernel-*)
# Make sure all kernel packages have the same %RELEASE
echo "release prefix mismatch"
if test -z "$check_all"; then
return 1
fi
;;
# Every other package is allowed to have a different RELEASE
*) ;;
esac
fi
check_provides $oldrpm | trim_release_old | sort > $file1
check_provides $newrpm | trim_release_new | sort > $file2
echo "comparing PROVIDES"
if ! diff -au $file1 $file2; then
if test -z "$check_all"; then
rm $file1 $file2
return 1
fi
fi
# scripts, might contain release number
QF="[%{PREINPROG} %{PREIN}\\n]\\n[%{POSTINPROG} %{POSTIN}\\n]\\n[%{PREUNPROG} %{PREUN}\\n]\\n[%{POSTUNPROG} %{POSTUN}\\n]\\n"
check_header $oldrpm | trim_release_old > $file1
check_header $newrpm | trim_release_new > $file2
echo "comparing scripts"
if ! diff -au $file1 $file2; then
if test -z "$check_all"; then
rm $file1 $file2
return 1
fi
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 (normally useful but file output contains mtimes),
# 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 | trim_release_old > $file1
check_header $newrpm | trim_release_new > $file2
echo "comparing filelist"
if ! diff -au $file1 $file2; then
if test -z "$check_all"; then
rm $file1 $file2
return 1
fi
fi
# now the md5sums. if they are different, we check more detailed
# if there are different filenames, we will already have aborted before
# file flag 64 means "ghost", filter those out.
QF="[%{FILENAMES} %{FILEMD5S} %{FILEFLAGS}\n]\\n"
check_header $oldrpm |grep -v " 64$"| trim_release_old > $file1
check_header $newrpm |grep -v " 64$"| trim_release_new > $file2
RES=2
# done if the same
echo "comparing file checksum"
if cmp -s $file1 $file2; then
RES=0
fi
# Get only files with different MD5sums
files=`diff -U0 $file1 $file2 | fgrep -v +++ | grep ^+ | cut -b2- | awk '{print $1}'`
if test -f "$sh"; then
echo "creating rename script"
# Create a temporary helper script to rename files/dirs with release in it
for f in `$RPM --qf '[%{FILENAMES} %{FILEFLAGS}\n]\n' "$oldrpm" | grep_release_old | grep -vw 64$ | awk '{ print $1}'`
do
echo mv -v \"old/${f}\" \"old/`echo ${f} | trim_release_old`\"
done >> "${sh}"
#
for f in `$RPM --qf '[%{FILENAMES} %{FILEFLAGS}\n]\n' "$newrpm" | grep_release_new | grep -vw 64$ | awk '{ print $1}'`
do
echo mv -v \"new/${f}\" \"new/`echo ${f} | trim_release_new`\"
done >> "${sh}"
fi
#
rm $file1 $file2
return $RES
}
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