build-compare/pkg-diff.sh

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#! /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
declare -i watchdog_host_timeout_seconds='3600'
declare -i watchdog_touch_percent_prior_timeout='25'
declare -i watchdog_next_touch_seconds=0
function watchdog_reset
{
local uptime idle
local -i next_touch now
read uptime idle < /proc/uptime
now="${uptime%.*}"
next_touch=$(( ${now} + ( (${watchdog_host_timeout_seconds} * ${watchdog_touch_percent_prior_timeout}) / 100 ) ))
watchdog_next_touch_seconds=${next_touch}
}
function watchdog_touch
{
local uptime idle
local -i next_touch now
read uptime idle < /proc/uptime
now="${uptime%.*}"
if test "${now}" -lt "${watchdog_next_touch_seconds}"
then
return
fi
echo 'build-compare touching host-watchdog.'
watchdog_reset
}
function wprint
{
echo "$@"
watchdog_reset
}
filter_disasm()
{
[[ $nofilter ]] && return
sed -e '
s/^ *[0-9a-f]\+://
s/\$0x[0-9a-f]\+/$something/
s/callq *[0-9a-f]\+/callq /
s/# *[0-9a-f]\+/# /
s/\(0x\)\?[0-9a-f]\+(/offset(/
s/[0-9a-f]\+ </</
s/^<\(.*\)>:/\1:/
s/<\(.*\)+0x[0-9a-f]\+>/<\1 + ofs>/
'
}
filter_xenefi() {
# PE32+ executable (EFI application) x86-64 (stripped to external PDB), for MS Windows
perl -e "open fh, '+<', '$f'; seek fh, 0x80 + 0x08, SEEK_SET; print fh 'time'; seek fh, 0x80 + 0x58, SEEK_SET; print fh 'chck';"
}
filter_pyc() {
perl -e '
my $ts_off = 4;
my $f = shift;
open fh, "+<", $f;
my $data;
die "Unexpected EOF while reading $f" if read(fh, $data, 2) < 2;
my $magic1 = unpack "v", $data;
die "Unexpected EOF while reading $f" if read(fh, $data, 2) < 2;
my $magic2 = unpack "v", $data;
die "File $f is not a compiled Python module" if $magic2 != 0x0a0d;
if ($magic1 >= 3392 && $magic1 < 20000) {
$ts_off += 4;
die "Unexpected EOF while reading $f" if read(fh, $data, 4) < 4;
my $flags = unpack "V", $data;
$ts_off += 8 if $flags & 0x1;
}
seek fh, $ts_off, SEEK_SET;
print fh "0000";
close fh;
' "$f"
}
filter_dvi() {
# Opcodes 247: pre; i[1], num[4], den[4], mag[4], k[1], x[k]
perl -e "
my \$rec;
open fh, '+<', '$f';
my \$dummy = read fh, \$rec, 15;
(\$pre, \$i, \$num, \$den, \$mag, \$k) = unpack('C2 N3 C', \$rec);
seek fh, 15, SEEK_SET;
while (\$k > 0) {
print fh '0';
\$k--;
}
"
}
filter_png() {
perl -e '
use strict;
use warnings;
my $a, my $b, my $c, my $d, my $f;
open ($f, "+<", shift);
$d = read($f, $c, 8);
($a,$b) = unpack("N2", $c);
unless($a == 0x89504e47 && $b == 0x0d0a1a0a) {
die("bogus png file.");
}
sub fn {
my ($fd, $l) = @_;
my $d = sprintf("%d", $l + 4);
$d = pack("a$d", "");
print($fd $d);
}
for ($d = read($f, $c, 8); $d > 0; $d = read($f, $c, 8)) {
($a,$b) = unpack("N a4", $c);
if ($b eq "tIME") {
fn($f, $a);
} elsif ($b eq "tEXt") {
$d = read($f, $c, $a);
$b = unpack("Z$a", $c);
if ($b eq "date:create" || $b eq "date:modify") {
$d = seek($f, -$a, 1);
fn($f, $a);
}
} else {
$d = seek($f, $a + 4, 1);
}
}
close($f);
' "$f"
}
filter_emacs_lisp() {
sed -i -e '
s|^;;; .ompiled by abuild@.* on ... ... .. ..:..:.. ....|;;; compiled by abuild@buildhost on Wed Jul 01 00:00:00 2009|
s|^;;; from file .*\.el|;;; from file /home/abuild/rpmbuild/BUILD/anthy-9100h/src-util/elc.8411/anthy-azik.el|
s|^;;; emacs version .*|;;; emacs version 21.5 (beta34) "kale" XEmacs Lucid.|
s|^;;; bytecomp version .*|;;; bytecomp version 2.28 XEmacs; 2009-08-09.|
' "$f"
}
filter_pdf() {
# PDF files contain a unique ID, remove it
# Format of the ID is:
# /ID [<9ACE247A70CF9BEAFEE15E116259BD6D> <9ACE247A70CF9BEAFEE15E116259BD6D>]
# with optional spaces. pdftex creates also:
# /CreationDate (D:20120103083206Z)
# /ModDate (D:20120103083206Z)
# and possibly XML metadata as well
sed -i \
'/obj/,/endobj/{
s%/ID \?\[ \?<[^>]\+> \?<[^>]\+> \?\]%/IDrandom%g;
s%/CreationDate \?(D:[^)]*)%/CreationDate (D: XXX)%g;
s%/ModDate \?(D:[^)]*)%/ModDate (D: XXX)%g;
s%<pdf:CreationDate>[^<]*</pdf:CreationDate>%<pdf:CreationDate>XXX</pdf:CreationDate>%g;
s%<pdf:ModDate>[^<]*</pdf:ModDate>%<pdf:ModDate>XXX</pdf:ModDate>%g;
s%<xap:CreateDate>[^<]*</xap:CreateDate>%<xap:CreateDate>XXX</xap:CreateDate>%g;
s%<xap:ModifyDate>[^<]*</xap:ModifyDate>%<xap:ModifyDate>XXX</xap:ModifyDate>%g;
s%<xap:MetadataDate>[^<]*</xap:MetadataDate>%<xap:MetadataDate>XXX</xap:MetadataDate>%g;
}' "$f"
}
filter_ps() {
sed -i -e '
/^%%CreationDate:[[:blank:]]/d
/^%%Creator:[[:blank:]]groff[[:blank:]]version[[:blank:]]/d
/^%DVIPSSource:[[:blank:]]/d
' "$f"
}
filter_mo() {
sed -i -e "s,POT-Creation-Date: ....-..-.. ..:..+....,POT-Creation-Date: 1970-01-01 00:00+0000," "$f"
}
filter_linuxrc_config() {
sed -i '/^InitrdID:/s@^.*@InitrdID: something@' "$f"
}
# call specified filter on old and new file
filter_generic()
{
filtertype=$1
[[ $nofilter ]] && return
local f
for f in "old/$file" "new/$file" ; do
eval "filter_$filtertype $f"
done
}
# returns 0 if both files are identical
# returns 1 if files differ or one is missing
# returns 2 if files must be processed further
verify_before_processing()
{
local file="$1"
local cmpout="$2"
if test ! -e "old/$file"; then
wprint "Missing in old package: $file"
return 1
fi
if test ! -e "new/$file"; then
wprint "Missing in new package: $file"
return 1
fi
# consider only files and symlinks
if test ! -f "old/$file"; then
return 0
fi
if test ! -f "new/$file"; then
return 0
fi
if cmp -b "old/$file" "new/$file" > "${cmpout}" ; then
return 0
fi
if test -s "${cmpout}" ; then
# cmp produced output for futher processing
return 2
fi
# cmp failed
return 1
}
diff_two_files()
{
local offset length
verify_before_processing "${file}" "${dfile}"
case "$?" in
0) return 0 ;;
1) return 1 ;;
*) ;;
esac
offset=`sed 's@^.*differ: byte @@;s@,.*@@' < $dfile`
wprint "$file differs at offset '$offset' ($ftype)"
offset=$(( ($offset >> 6) << 6 ))
length=512
diff -u \
--label "old $file (hex)" \
--label "new $file (hex)" \
<( hexdump -C -s $offset -n $length "old/$file" ) \
<( hexdump -C -s $offset -n $length "new/$file" ) | $buildcompare_head
return 1
}
trim_man_first_line()
{
# Handles the first line if it is like:
#.\" Automatically generated by Pod::Man 2.28 (Pod::Simple 3.28)
#.\" Automatically generated by Pandoc 2.9.2.1
#.\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.43.3.
local f=$1
[[ $nofilter ]] && return
sed -i -e '1{
s|^\.\\"[[:blank:]]\+Automatically[[:blank:]]generated[[:blank:]]by[[:blank:]].*|.\\" Automatically generated by SomeTool|
s|^\.\\"[[:blank:]]\+DO[[:blank:]]NOT[[:blank:]]MODIFY[[:blank:]]THIS[[:blank:]]FILE![[:blank:]]\+It[[:blank:]]was[[:blank:]]generated[[:blank:]]by[[:blank:]]help2man[[:blank:]].*|.\\" Overly verbose help2man|
}' $f
}
trim_man_TH()
{
# Handles lines like:
# .TH debhelper 7 "2010-02-27" "7.4.15" "Debhelper"
# .TH DIRMNGR-CLIENT 1 2010-02-27 "Dirmngr 1.0.3" "GNU Privacy Guard"
# .TH ccmake 1 "March 06, 2010" "ccmake 2.8.1-rc3"
# .TH QEMU-IMG 1 "2010-03-14" " " " "
# .TH kdecmake 1 "May 07, 2010" "cmake 2.8.1"
# .TH "appender.h" 3 "12 May 2010" "Version 1.2.1" "log4c" \" -*- nroff -*-
# .TH"appender.h"3"TueAug312010""Version1.2.1""log4c"\"-*-nroff-*-
# .TH "OFFLINEIMAP" "1" "11 May 2010" "John Goerzen" "OfflineIMAP Manual"
# .TH gv 3guile "13 May 2010"
#.TH "GIT\-ARCHIMPORT" "1" "09/13/2010" "Git 1\&.7\&.1" "Git Manual"
# .TH LDIRECTORD 8 "2010-10-20" "perl v5.12.2" "User Contributed Perl Documentation"
# .TH ccmake 1 "February 05, 2012" "ccmake 2.8.7"
# .TH"appender.h"3"TueAug312010""Version1.2.1""log4c"\"-*-nroff-*-
# .TH ARCH "1" "September 2010" "GNU coreutils 8.5" "User Commands"
# .TH "GCM-CALIBRATE" "1" "03 February 2012" "" ""
#.TH Locale::Po4a::Xml.pm 3pm "2015-01-30" "Po4a Tools" "Po4a Tools"
local f=$1
[[ $nofilter ]] && return
# (.TH quoted section) (quoted_date)(*)
sed -i -e 's|^\([[:blank:]]*\.TH[[:blank:]]\+"[^"]\+"[[:blank:]]\+[^[:blank:]]\+\)[[:blank:]]\+\("[^"]\+"\)\([[:blank:]]\+.*\)\?|\1 "qq2000-01-01"\3|' $f
# (.TH unquoted section) (quoted_date)(*)
sed -i -e 's|^\([[:blank:]]*\.TH[[:blank:]]\+[^"][^[:blank:]]\+[[:blank:]]\+[^[:blank:]]\+\)[[:blank:]]\+\("[^"]\+"\)\([[:blank:]]\+.*\)\?|\1 "uq2000-02-02"\3|' $f
# (.TH quoted section) (unquoted_date)(*)
sed -i -e 's|^\([[:blank:]]*\.TH[[:blank:]]\+"[^"]\+"[[:blank:]]\+[^[:blank:]]\+\)[[:blank:]]\+\([^"][^[:blank:]]\+\)\([[:blank:]]\+.*\)\?|\1 qu2000-03-03\3|' $f
# (.TH unquoted section) (unquoted_date)(*)
sed -i -e 's|^\([[:blank:]]*\.TH[[:blank:]]\+[^"][^[:blank:]]\+[[:blank:]]\+[^[:blank:]]\+\)[[:blank:]]\+\([^"][^[:blank:]]\+\)\([[:blank:]]\+.*\)\?|\1 uu2000-04-04\3|' $f
}
strip_numbered_anchors()
{
# Remove numbered anchors on Docbook / HTML files.
# <a id="idp270624" name=
# "idp270624"></a>
# <a href="#ftn.id32751" class="footnote" id="id32751">
# <a href="#id32751" class="para">
# <a href="#tex">1 TeX</a>
# <a href="dh-manual.html#id599116">
# <a id="id479058">
# <div id="ftn.id43927" class="footnote">
# <div class="section" id="id46">
[[ $nofilter ]] && return
for f in old/$file new/$file; do
sed -ie '
1 {
: N
$ {
s@\(<a[^>]\+id=\n\?"\)\(id[a-z0-9]\+\)\("[^>]*>\)@\1a_idN\3@g
s@\(<a[^>]\+name=\n\?"\)\(id[a-z0-9]\+\)\("[^>]*>\)@\1a_nameN\3@g
s@\(<a[^>]\+href="#\)\([^"]\+\)\("[^>]*>\)@\1href_anchor\3@g
s@\(<a[^>]\+href="[^#]\+#\)\([^"]\+\)\("[^>]*>\)@\1href_anchor\3@g
s@\(<div[^>]\+id="\)\([\.a-z0-9]\+\)\("[^>]*>\)@\1div_idN\3@g
}
N
b N
}' $f &
done
wait
}
check_compressed_file()
{
local file=$1
local ext=$2
local tmpdir=`mktemp -d`
local ftype
local ret=0
wprint "$ext file with odd filename: $file"
if test -n "$tmpdir"; then
mkdir $tmpdir/{old,new}
cp --parents --dereference old/$file $tmpdir/
cp --parents --dereference new/$file $tmpdir/
if pushd $tmpdir > /dev/null ; then
case "$ext" in
bz2)
mv old/$file{,.bz2}
mv new/$file{,.bz2}
bzip2 -d old/$file.bz2 &
bzip2 -d new/$file.bz2 &
wait
;;
gzip)
mv old/$file{,.gz}
mv new/$file{,.gz}
gzip -d old/$file.gz &
gzip -d new/$file.gz &
wait
;;
xz)
mv old/$file{,.xz}
mv new/$file{,.xz}
xz -d old/$file.xz &
xz -d new/$file.xz &
wait
;;
zst)
mv old/$file{,.zst}
mv new/$file{,.zst}
zstd -d old/$file.zst &
zstd -d new/$file.zst &
wait
;;
esac
ftype=`/usr/bin/file old/$file | sed 's@^[^:]\+:[[:blank:]]*@@'`
case $ftype in
POSIX\ tar\ archive)
wprint "$ext content is: $ftype"
mv old/$file{,.tar}
mv new/$file{,.tar}
if ! check_single_file ${file}.tar; then
ret=1
fi
;;
ASCII\ cpio\ archive\ *)
wprint "$ext content is: $ftype"
mv old/$file{,.cpio}
mv new/$file{,.cpio}
if ! check_single_file ${file}.cpio; then
ret=1
fi
;;
fifo*pipe*)
ftype_new="`/usr/bin/file new/$file | sed -e 's@^[^:]\+:[[:blank:]]*@@' -e 's@[[:blank:]]*$@@'`"
if [ "$ftype_new" != "$ftype" ]; then
ret=1
fi
;;
*)
wprint "unhandled $ext content: $ftype"
if ! diff_two_files; then
ret=1
fi
;;
esac
popd > /dev/null
fi
rm -rf "$tmpdir"
fi
return $ret
}
# returns 0 if file should be skipped
file_is_on_ignorelist()
{
local file="$1"
local ret=0
case "${file}" in
# Just debug information, we can skip them
*.exe.mdb|*.dll.mdb) ;;
# binary dump of TeX and Metafont formats, we can ignore them for good
/var/lib/texmf/web2c/*/*fmt|\
/var/lib/texmf/web2c/metafont/*.base|\
/var/lib/texmf/web2c/metapost/*.mem) ;;
# ruby documentation, file just contains a timestamp and nothing else
*/created.rid) ;;
# R binary cache of DESCRIPTION
/usr/lib*/R/library/*/Meta/package.rds) ;;
# binary cache of interpreted R code
/usr/lib*/R/library/*/R/*.rd[bx]) ;;
# LibreOffice log file
/usr/lib/libreoffice/solver/inc/*/deliver.log) ;;
# packaged by libguestfs
*/ld.so.cache|*/etc/machine-id) ;;
# everything else will be processed
*) ret=1 ;;
esac
return ${ret}
}
# void
normalize_file()
{
local file="$1"
local f
case "$file" in
*.spec)
sed -i -e "s,Release:.*$release1,Release: @RELEASE@," "old/$file"
sed -i -e "s,Release:.*$release2,Release: @RELEASE@," "new/$file"
;;
*/xen*.efi)
filter_generic xenefi
;;
*.pyc|*.pyo)
filter_generic pyc
;;
*.dvi)
filter_generic dvi
;;
*.png)
filter_generic png
;;
/usr/share/locale/*/LC_MESSAGES/*.mo|\
/usr/share/locale-bundle/*/LC_MESSAGES/*.mo|\
/usr/share/vdr/locale/*/LC_MESSAGES/*.mo)
filter_generic mo
;;
*/rdoc/files/*.html)
# ruby documentation
# <td>MonSep2019:02:43+00002010</td>
for f in old/$file new/$file; do
sed -i -e 's%<td>[A-Z][a-z][a-z] [A-Z][a-z][a-z] [0-9]\+ [0-9]\+:[0-9]\+:[0-9]\+ +0000 201[0-9]</td>%<td>MonSep2019:02:43+00002010</td>%g' $f
done
strip_numbered_anchors
;;
/usr/share/doc/HTML/*/*/index.cache|\
/usr/share/doc//HTML/*/*/*/index.cache|\
/usr/share/doc/kde/HTML/*/*/index.cache|\
/usr/share/doc/kde/HTML/*/*/*/index.cache|\
/usr/share/gtk-doc/html/*/*.html|\
/usr/share/gtk-doc/html/*/*.devhelp2)
# various kde and gtk packages
strip_numbered_anchors
for f in old/$file new/$file; do
sed -i -e '
/^<head>/{
: next
n
/^<\/head>/{
b end_head
}
s/^<meta name="generator" content="[^"]\+">/<meta name="generator" content="GTK-Doc V1.29 (XML mode)">/
b next
}
: end_head
' $f
done
;;
/usr/share/doc/packages/*/*.html|\
/usr/share/doc/packages/*/*/*.html|\
/usr/share/doc/*/html/*.html|\
/usr/share/doc/kde/HTML/*/*/*.html)
for f in old/$file new/$file; do
sed -i -e '
s|META NAME="Last-modified" CONTENT="[^"]\+"|META NAME="Last-modified" CONTENT="Thu Mar 3 10:32:44 2016"|
s|<!-- Created on [^,]\+, [0-9]\+ [0-9]\+ by texi2html [0-9\.]\+ -->|<!-- Created on July, 14 2015 by texi2html 1.78 -->|
s|<!-- Created on [^,]\+, [0-9]\+ by texi2html [0-9\.]\+$|<!-- Created on October 1, 2015 by texi2html 5.0|
s|^<!-- Created on .*, 20.. by texi2html .\...|<!-- Created on August 7, 2009 by texi2html 1.82|
s|This document was generated by <em>Autobuild</em> on <em>[^,]\+, [0-9]\+ [0-9]\+</em> using <a href="http://www.nongnu.org/texi2html/"><em>texi2html [0-9\.]\+</em></a>.|This document was generated by <em>Autobuild</em> on <em>July, 15 2015</em> using <a href="http://www.nongnu.org/texi2html/"><em>texi2html 1.78</em></a>.|
s|^ *This document was generated by <em>Autobuild</em> on <em>.*, 20..</em> using <a href="http://www.nongnu.org/texi2html/"><em>texi2html .\...</em></a>.$| This document was generated by <em>Autobuild</em> on <em>August 7, 2009</em> using <a href="http://www.nongnu.org/texi2html/"><em>texi2html 1.82</em></a>.|
s|^ *This document was generated on <i>[a-zA-Z]\+ [0-9]\+, [0-9]\+</i> using <a href="http://www.nongnu.org/texi2html/"><i>texi2html [0-9\.]\+</i></a>.| This document was generated on <i>October 1, 2015</i> using <a href="http://www.nongnu.org/texi2html/"><i>texi2html 5.0</i></a>.|
s|Generated on ... ... [0-9]* [0-9]*:[0-9][0-9]:[0-9][0-9] 20[0-9][0-9] for |Generated on Mon May 10 20:45:00 2010 for |
s|Generated on ... ... [0-9]* 20[0-9][0-9] [0-9]*:[0-9][0-9]:[0-9][0-9] for |Generated on Mon May 10 20:45:00 2010 for |
' $f
done
strip_numbered_anchors
;;
/usr/*/javadoc/*.html)
strip_numbered_anchors
# There are more timestamps in html, so far we handle only some primitive versions.
for f in old/$file new/$file; do
# Javadoc:
# <head>
# <!-- Generated by javadoc (version 1.7.0_75) on Tue Feb 03 02:20:12 GMT 2015 -->
# <!-- Generated by javadoc on Tue Feb 03 00:02:48 GMT 2015 -->
# <!-- Generated by javadoc (1.8.0_72) on Thu Mar 03 12:50:28 GMT 2016 -->
# <!-- Generated by javadoc (10-internal) on Wed Feb 07 06:33:41 GMT 2018 -->
# <meta name="dc.created" content="2019-02-07">
# <meta name="date" content="2015-02-03">
# </head>
sed -i -e '
/^<head>/{
: next
n
/^<\/head>/{
b end_head
}
s/^<!-- Generated by javadoc ([0-9._]\+) on ... ... .. ..:..:.. \(GMT\|UTC\) .... -->/<!-- Generated by javadoX (1.8.0_72) on Thu Mar 03 12:50:28 GMT 2016 -->/
t next
s/^\(<!-- Generated by javadoc\) \((\(build\|version\) [0-9._]\+) on ... ... .. ..:..:.. \(GMT\|UTC\) ....\) \(-->\)/\1 some-date-removed-by-build-compare \5/
t next
s/^\(<!-- Generated by javadoc\) ([0-9._]\+-internal) on ... ... .. ..:..:.. \(GMT\|UTC\) .... \(-->\)/\1 some-date-removed-by-build-compare \3/
t next
s/^\(<!-- Generated by javadoc\) \(on ... ... .. ..:..:.. \(GMT\|UTC\) ....\) \(-->\)/\1 some-date-removed-by-build-compare \3/
t next
s/^<meta name="dc.created" content="[0-9]\{4\}-[0-9]\{2\}-[0-9]\{2\}">/<meta name="dc.created" content="some-date-removed-by-build-compare">/
t next
s/^<meta name="date" content="[0-9]\{4\}-[0-9]\{2\}-[0-9]\{2\}">/<meta name="date" content="some-date-removed-by-build-compare">/
b next
}
: end_head
s%Generated by Gjdoc HtmlDoclet [0-9,.]*, part of <a href="http://www.gnu.org/software/classpath/cp-tools/" title="" target="_top">GNU Classpath Tools</a>, on .*, 20.. [0-9]*:..:.. \(a\|p\)\.m\. GMT.%Generated by Gjdoc.%
s%<!DOCTYPE html PUBLIC "-//gnu.org///DTD XHTML 1.1 plus Target 1.0//EN"\(.*\)GNU Classpath Tools</a>, on [A-Z][a-z]* [0-9]*, 20?? [0-9]*:??:?? \(a|p\)\.m\. GMT.</p>%<!DOCTYPE html PUBLIC "-//gnu.org///DTD XHTML 1.1 plus Target 1.0//EN"\1GNU Classpath Tools</a>, on January 1, 2009 0:00:00 a.m. GMT.</p>%
s%<!DOCTYPE html PUBLIC "-//gnu.org///DTD\(.*GNU Classpath Tools</a>\), on [a-zA-Z]* [0-9][0-9], 20.. [0-9]*:..:.. \(a\|p\)\.m\. GMT.</p>%<!DOCTYPE html PUBLIC "-//gnu.org///DTD\1,on May 1, 2010 1:11:42 p.m. GMT.</p>%
' $f
# deprecated-list is randomly ordered, sort it for comparison
case $f in
*/deprecated-list.html)
[[ $nofilter ]] || sort -o $f $f
;;
esac
done
;;
/usr/share/javadoc/gjdoc.properties|\
/usr/share/javadoc/*/gjdoc.properties)
for f in old/$file new/$file; do
sed -i -e 's|^#[A-Z][a-z]\{2\} [A-Z][a-z]\{2\} [0-9]\{2\} ..:..:.. GMT 20..$|#Fri Jan 01 11:27:36 GMT 2009|' $f
done
;;
*/fonts.scale|\
*/fonts.dir|\
*/encodings.dir)
for f in old/$file new/$file; do
# sort files before comparing
[[ $nofilter ]] || sort -o $f $f
done
;;
/var/adm/perl-modules/*)
for f in old/$file new/$file; do
sed -i -e 's|^=head2 ... ... .. ..:..:.. ....: C<Module>|=head2 Wed Jul 1 00:00:00 2009: C<Module>|' $f
done
;;
/usr/share/man/man3/*3pm)
for f in old/$file new/$file; do
sed -i -e 's| 3 "20..-..-.." "perl v5....." "User Contributed Perl Documentation"$| 3 "2009-01-01" "perl v5.10.0" "User Contributed Perl Documentation"|' $f
trim_man_TH $f
trim_man_first_line $f
done
;;
*/share/man/*|\
/usr/lib/texmf/doc/man/*/*)
for f in old/$file new/$file; do
trim_man_TH $f
trim_man_first_line $f
# generated by docbook xml:
#.\" Date: 09/13/2010
# Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
#.\" Date: 2021-08-05
sed -i -e '
s|Date: [0-1][0-9]/[0-9][0-9]/[0-9][0-9][0-9][0-9]|Date: DD/MM/YYYY|
s|Date: [0-9][0-9][0-9][0-9]-[0-1][0-9]-[0-3][0-9]|Date: YYYY-MM-DD|
' $f
done
;;
*.elc)
filter_generic emacs_lisp
;;
*/libtool)
for f in old/$file new/$file; do
sed -i -e 's|^# Libtool was configured on host [A-Za-z0-9]*:$|# Libtool was configured on host x42:|' $f
done
;;
/etc/mail/*cf|\
/etc/sendmail.cf)
# from sendmail package
for f in old/$file new/$file; do
# - ##### built by abuild@build33 on Thu May 6 11:21:17 UTC 2010
sed -i -e 's|built by abuild@[a-z0-9]* on ... ... [0-9]* [0-9]*:[0-9][0-9]:[0-9][0-9] .* 20[0-9][0-9]|built by abuild@build42 on Thu May 6 11:21:17 UTC 2010|' $f
done
;;
/usr/lib*/R/library/*/DESCRIPTION)
# Simulate R CMD INSTALL --built-timestamp=''
# Built: R 3.6.1; x86_64-suse-linux-gnu; 2019-08-13 04:19:49 UTC; unix
sed -i -e 's|\(Built: [^;]*; [^;]*; \)20[0-9][0-9]-[01][0-9]-[0123][0-9] [012][0-9]:[0-5][0-9]:[0-5][0-9] UTC\(; .*\)$|\1\2|' old/$file new/$file
;;
*/Linux*Env.Set.sh)
# LibreOffice files, contains:
# Generated on: Mon Apr 18 13:19:22 UTC 2011
for f in old/$file new/$file; do
sed -i -e 's%^# Generated on:.*UTC 201[0-9] *$%# Generated on: Sometime%g' $f
done
;;
/var/adm/update-messages/*|\
/var/adm/update-scripts/*)
# fetchmsttfonts embeds the release number in the update shell script.
sed -i "s/${name_ver_rel_old_regex_l}/@NAME_VER_REL@/" old/$file
sed -i "s/${name_ver_rel_new_regex_l}/@NAME_VER_REL@/" new/$file
;;
*.ps)
filter_generic ps
;;
*.pdf)
filter_generic pdf
;;
*/linuxrc.config)
filter_generic linuxrc_config
;;
*/etc/hosts)
# packaged by libguestfs
sed -i 's/^127.0.0.1[[:blank:]].*/127.0.0.1 hst/' "old/$file"
sed -i 's/^127.0.0.1[[:blank:]].*/127.0.0.1 hst/' "new/$file"
;;
*/dune-package)
sed -i '1s@^(lang dune [^)]\+)@(lang dune 0.0)@' "old/$file" "new/$file"
;;
esac
}
archive_a()
{
local cmd=$1
local file=$2
case "${cmd}" in
f)
test -x "$(type -P ar)" && return 0
echo "ERROR: ar missing for ${file}"
return 1
;;
l)
ar t "${file}"
test "$?" = "0" && return 0
return 1
;;
x)
ar x "${file}"
test "$?" = "0" && return 0
return 1
;;
esac
}
archive_cpio()
{
local cmd=$1
local file=$2
case "${cmd}" in
f)
test -x "$(type -P cpio)" && return 0
echo "ERROR: cpio missing for ${file}"
return 1
;;
l)
cpio --quiet --list --force-local < "${file}"
test "$?" = "0" && return 0
return 1
;;
x)
cpio --quiet --extract --force-local < "${file}"
test "$?" = "0" && return 0
return 1
;;
esac
}
archive_squashfs()
{
local cmd=$1
local file=$2
case "${cmd}" in
f)
test -x "$(type -P unsquashfs)" && return 0
echo "ERROR: unsquashfs missing for ${file}"
return 1
;;
l)
unsquashfs -no-progress -ls -dest '' "${file}" | grep -Ev '^(Parallel unsquashfs:|[0-9]+ inodes )'
test "$?" = "0" && return 0
return 1
;;
x)
unsquashfs -no-progress -dest "." "${file}"
test "$?" = "0" && return 0
return 1
;;
esac
}
archive_tar()
{
local cmd=$1
local file=$2
case "${cmd}" in
f)
test -x "$(type -P tar)" && return 0
echo "ERROR: tar missing for ${file}"
return 1
;;
l)
tar tf "${file}"
test "$?" = "0" && return 0
return 1
;;
x)
tar xf "${file}"
test "$?" = "0" && return 0
return 1
;;
esac
}
UNJAR=
archive_zip()
{
local cmd=$1
local file=$2
case "${cmd}" in
f)
if test -x "$(type -P fastjar)"
then
UNJAR="${_}"
elif test -x "$(type -P jar)"
then
UNJAR="${_}"
elif test -x "$(type -P unzip)"
then
UNJAR="${_}"
else
echo "ERROR: jar/fastjar/unzip missing for ${file}"
return 1
fi
return 0
;;
l)
case "${UNJAR##*/}" in
jar|fastjar)
"${UNJAR}" -tf "${file}"
;;
unzip)
"${UNJAR}" -Z -1 "${file}"
;;
esac
test "$?" = "0" && return 0
return 1
;;
x)
case "${UNJAR##*/}" in
jar|fastjar)
"${UNJAR}" -xf "${file}"
;;
unzip)
"${UNJAR}" -oqq "${file}"
;;
esac
test "$?" = "0" && return 0
return 1
;;
esac
}
# returns 0 if content is identical
# returns 1 if at least one file differs
# handler f returns 1 if required tool for inspection is missing
# handler l lists content, returns 1 if tool failed
# handler x extracts content, returns 1 if tool failed
compare_archive()
{
local file="$1"
local handler="$2"
local old="`readlink -f \"old/$file\"`"
local new="`readlink -f \"new/$file\"`"
local f
local -a content
local -i ret=1
local -a filelist
"${handler}" 'f' "${file}" || return 1
mkdir -p "d/old/${file}" "d/new/${file}"
if pushd "d" > /dev/null
then
"${handler}" 'l' "${old}" | ${sort} > 'co'
test "${PIPESTATUS[0]}" = "0" || return 1
"${handler}" 'l' "${new}" | ${sort} > 'cn'
test "${PIPESTATUS[0]}" = "0" || return 1
if cmp -s 'co' 'cn'
then
if pushd "old/${file}" > /dev/null
then
"${handler}" 'x' "${old}" || return 1
popd > /dev/null
fi
if pushd "new/${file}" > /dev/null
then
"${handler}" 'x' "${new}" || return 1
popd > /dev/null
fi
while read
do
: "${REPLY}"
filelist+=( "${REPLY}" )
done < 'cn'
ret=0
for f in "${filelist[@]}"
do
if ! check_single_file "${file}/${f}"
then
ret=1
if test -z "$check_all"
then
break
fi
fi
watchdog_touch
done
else
wprint "$file has different file list"
diff -u 'co' 'cn'
fi
popd > /dev/null
rm -rf "d"
fi
return ${ret}
}
check_single_file()
{
local file="$1"
local ret=0
local i
local failed
local elfdiff elf_executable_sections
local sections
local -a pipestatus
if file_is_on_ignorelist "${file}"
then
return 0
fi
verify_before_processing "${file}" "${dfile}"
case "$?" in
0) return 0 ;;
1) test -z "$check_all" && return 1 ;;
*) ;;
esac
normalize_file "${file}"
case "$file" in
*.a)
compare_archive "${file}" 'archive_a'
return $?
;;
*.cpio)
compare_archive "${file}" 'archive_cpio'
return $?
;;
*.squashfs)
compare_archive "${file}" 'archive_squashfs'
return $?
;;
*.tar|*.tar.bz2|*.tar.gz|*.tgz|*.tbz2|*.tar.zst)
compare_archive "${file}" 'archive_tar'
return $?
;;
*.zip|*.egg|*.jar|*.war)
compare_archive "${file}" 'archive_zip'
return $?
;;
*.bz2)
bunzip2 -c old/$file > old/${file/.bz2/}
bunzip2 -c new/$file > new/${file/.bz2/}
check_single_file ${file/.bz2/}
return $?
;;
*.gz)
gunzip -c old/$file > old/${file/.gz/}
gunzip -c new/$file > new/${file/.gz/}
check_single_file ${file/.gz/}
return $?
;;
*.zst)
zstd -dc old/$file > old/${file/.zst/}
zstd -dc new/$file > new/${file/.zst/}
check_single_file ${file/.zst/}
return $?
;;
*.rpm)
$self_script -a old/$file new/$file
return $?
;;
esac
ftype=`/usr/bin/file "old/$file" | sed -e 's@^[^:]\+:[[:blank:]]*@@' -e 's@[[:blank:]]*$@@'`
case $ftype in
PE32\ executable*Mono\/\.Net\ assembly*)
wprint "PE32 Mono/.Net assembly: $file"
if [ -x /usr/bin/monodis ] ; then
monodis "old/$file" 2>/dev/null|sed -e 's/GUID = {.*}/GUID = { 42 }/;'> ${file1}
monodis "new/$file" 2>/dev/null|sed -e 's/GUID = {.*}/GUID = { 42 }/;'> ${file2}
if ! cmp -s "${file1}" "${file2}"; then
wprint "$file differs ($ftype)"
diff --speed-large-files -u \
--label "old $file (monodis)" "${file1}" \
--label "new $file (monodis)" "${file2}"
return 1
fi
else
wprint "Cannot compare, no monodis installed"
return 1
fi
;;
ELF*executable*|\
set?id\ ELF*executable*|\
ELF*[LM]SB\ relocatable*|\
set?id\ ELF*[LM]SB\ relocatable*|\
ELF*[LM]SB\ shared\ object*|\
set?id\ ELF*[LM]SB\ shared\ object*|\
ELF*[LM]SB\ pie\ executable*|\
set?id\ ELF*[LM]SB\ pie\ executable*)
local sections=($(
$OBJDUMP -s new/$file |
sed -n --regexp-extended -e '
/Contents of section .*:/ {
s,.* (.*):,-j \1,g
/\.build-id/d
/\.gnu_debuglink/d
/\.gnu_debugdata/d
/\.note\.package/d
/\.note\.go\.buildid/d
p
}
'))
(cd old && exec $OBJDUMP -s ${sections[@]} ./$file ) > old/$file.objdump &
(cd new && exec $OBJDUMP -s ${sections[@]} ./$file ) > new/$file.objdump &
wait
if ! test -s old/$file.objdump
then
wprint "ELF section: objdump failed for old/$file"
elfdiff='failed'
fi
if ! test -s new/$file.objdump
then
wprint "ELF section: objdump failed for new/$file"
elfdiff='failed'
fi
if test -z "${elfdiff}"
then
diff --speed-large-files --unified \
--label "old $file (objdump)" \
--label "new $file (objdump)" \
old/$file.objdump new/$file.objdump > $dfile
ret=$?
if test "$ret" != "0"
then
wprint "$file differs in ELF sections"
$buildcompare_head $dfile
elfdiff='elfdiff'
fi
fi
if test -z "$elfdiff"
then
rm old/$file.objdump new/$file.objdump &
return 0
fi
watchdog_touch
(cd old && exec $OBJDUMP -d --no-show-raw-insn ./$file | filter_disasm
echo "${PIPESTATUS[@]}" > $file1 ) > old/$file.objdump &
(cd new && exec $OBJDUMP -d --no-show-raw-insn ./$file | filter_disasm
echo "${PIPESTATUS[@]}" > $file2 ) > new/$file.objdump &
wait
read i < ${file1}
pipestatus=( $i )
if [[ ${pipestatus[*]} =~ [1-9] ]]
then
wprint "ELF disassembly: pipe command failed for old/$file"
elf_executable_sections='failed'
fi
read i < ${file2}
pipestatus=( $i )
if [[ ${pipestatus[*]} =~ [1-9] ]]
then
wprint "ELF disassembly: pipe command failed for new/$file"
elf_executable_sections='failed'
fi
if test -n "${elf_executable_sections}"
then
# objdump had no idea how to handle it
rm old/$file.objdump new/$file.objdump &
if diff_two_files; then
return 0
fi
return 1
fi
diff --speed-large-files --unified \
--label "old $file (disasm)" \
--label "new $file (disasm)" \
old/$file.objdump new/$file.objdump > $dfile
ret=$?
rm old/$file.objdump new/$file.objdump &
if test "$ret" != "0"
then
wprint "$file differs in assembler output"
$buildcompare_head $dfile
elf_executable_sections='elf_executable_sections'
else
watchdog_touch
fi
if test -n "$elfdiff" || test -n "$elf_executable_sections"
then
return 1
fi
;;
*ASCII*|*text*)
if ! cmp -s "old/$file" "new/$file" ; then
wprint "$file differs ($ftype)"
diff -u "old/$file" "new/$file" | $buildcompare_head
return 1
fi
;;
directory|setuid\ directory|setuid,\ directory|sticky,\ directory)
# tar might package directories - ignore them here
return 0
;;
bzip2\ compressed\ data*)
if ! check_compressed_file "$file" "bz2" ; then
return 1
fi
;;
gzip\ compressed\ data*)
if ! check_compressed_file "$file" "gzip" ; then
return 1
fi
;;
XZ\ compressed\ data*)
if ! check_compressed_file "$file" "xz" ; then
return 1
fi
;;
Zstandard\ compressed\ data*)
if ! check_compressed_file "$file" "zst" ; then
return 1
fi
;;
Zip\ archive\ data,*)
if ! compare_archive "${file}" 'archive_zip' ; then
return 1
fi
;;
POSIX\ tar\ archive)
mv old/$file{,.tar}
mv new/$file{,.tar}
if ! check_single_file ${file}.tar; then
return 1
fi
;;
cpio\ archive)
mv old/$file{,.cpio}
mv new/$file{,.cpio}
if ! check_single_file ${file}.cpio; then
return 1
fi
;;
Squashfs\ filesystem,*)
wprint "$file ($ftype)"
mv old/$file{,.squashfs}
mv new/$file{,.squashfs}
if ! check_single_file ${file}.squashfs; then
return 1
fi
;;
broken\ symbolic\ link\ to\ *|symbolic\ link\ to\ *)
readlink "old/$file" > $file1
readlink "new/$file" > $file2
if ! diff -u $file1 $file2; then
wprint "symlink target for $file differs"
return 1
fi
;;
block\ special\ *)
;;
character\ special\ *)
;;
*)
if ! diff_two_files; then
return 1
fi
;;
esac
return 0
}
case "${0}" in
*/*) FUNCTIONS=${0%/*}/functions.sh ;;
*) FUNCTIONS=functions.sh ;;
esac
: ${buildcompare_head:="head -n 200"}
nofilter=${buildcompare_nofilter}
sort=sort
[[ $nofilter ]] && sort=cat
check_all=
case $1 in
-a | --check-all)
check_all=1
shift
esac
if test "$#" != 2; then
echo "usage: $0 [-a|--check-all] old.rpm new.rpm"
exit 1
fi
test -z $OBJDUMP && OBJDUMP=objdump
# Always clean up on exit
local_tmpdir=`mktemp -d`
if test -z "${local_tmpdir}"
then
exit 1
fi
function _exit()
{
chmod -R u+w "${local_tmpdir}"
rm -rf "${local_tmpdir}"
}
trap _exit EXIT
# Let further mktemp refer to private tmpdir
export TMPDIR=$local_tmpdir
self_script=$(cd $(dirname $0); echo $(pwd)/$(basename $0))
source $FUNCTIONS
oldpkg=`readlink -f $1`
newpkg=`readlink -f $2`
rename_script=`mktemp`
file1=`mktemp`
file2=`mktemp`
dir=`mktemp -d`
dfile=`mktemp`
if test ! -f "$oldpkg"; then
echo "can't open $1"
exit 1
fi
if test ! -f "$newpkg"; then
echo "can't open $2"
exit 1
fi
echo "Comparing `basename $oldpkg` to `basename $newpkg`"
case $oldpkg in
*.deb|*.ipk)
: cmp_deb_meta missing
RES=0
;;
*.rpm)
cmp_rpm_meta "$rename_script" "$oldpkg" "$newpkg"
RES=$?
case $RES in
0)
echo "RPM meta information is identical"
if test -z "$check_all"; then
exit 0
fi
;;
1)
echo "RPM meta information is different"
if test -z "$check_all"; then
exit 1
fi
;;
2)
echo "RPM file checksum differs."
RES=0
;;
*)
echo "Wrong exit code!"
exit 1
;;
esac
;;
esac
wprint "Extracting packages"
unpackage $oldpkg $dir/old &
unpackage $newpkg $dir/new &
wait
case $oldpkg in
*.deb|*.ipk)
adjust_controlfile $dir/old $dir/new
files=()
while read
do
: "${REPLY}"
files+=( "${REPLY}" )
done < <(cd ${dir} ; find old new -type f | sed -e 's/^...//' | sort -u)
;;
esac
cd $dir
bash $rename_script
# We need /proc mounted for some tests, so check that it's mounted and
# complain if not.
PROC_MOUNTED=0
if [ ! -d /proc/self/ ]; then
echo "/proc is not mounted"
mount -orw -n -tproc none /proc
PROC_MOUNTED=1
fi
# preserve cmp_rpm_meta result for check_all runs
ret=$RES
for file in "${files[@]}"; do
if ! check_single_file "$file"; then
ret=1
if test -z "$check_all"; then
break
fi
fi
done
if [ "$PROC_MOUNTED" -eq "1" ]; then
echo "Unmounting proc"
umount /proc
fi
if test "$ret" = 0; then
echo "Package content is identical"
fi
exit $ret
# vim: tw=666 ts=2 shiftwidth=2 et