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Diffstat (limited to 'tools/msidiff.in')
| -rwxr-xr-x | tools/msidiff.in | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/tools/msidiff.in b/tools/msidiff.in new file mode 100755 index 0000000..b3ef35e --- /dev/null +++ b/tools/msidiff.in @@ -0,0 +1,219 @@ +#!/bin/bash +# -*- coding: utf-8 -*- + +# msidiff - compare two MSI files table content with diff +# (originally based on rpmdev-diff) +# +# Copyright (c) 2004-2010 Ville Skyttä <ville.skytta@iki.fi> +# Copyright (c) 2013 Red Hat, Inc. +# +# This program 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 2 of the License, or +# (at your option) any later version. +# +# This program 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 this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + +set -e + +unset CDPATH +tmpdir= +diffopts= +list= +long= +tables= +diffcopts=-Nup +diffoopts=-U0 + +trap cleanup EXIT +cleanup() +{ + set +e + [ -z "$tmpdir" -o ! -d "$tmpdir" ] || rm -rf "$tmpdir" +} + +version() +{ + cat <<EOF +@PACKAGE_VERSION@ +EOF +} + +help() +{ + cat <<EOF +msidiff diffs contents of two MSI files. +EOF + usage + echo "" + echo "Report bugs to <@PACKAGE_BUGREPORT@>." +} + +usage() +{ + cat <<EOF +Usage: msidiff [OPTION]... [DIFF-OPTIONS] FROM-MSI TO-MSI + +Options: + -t, --tables Diff MSI tables as text. This is the default. + -l, --list Diff lists of files. + -L, --long-list Diff long lists (akin to 'find -ls') of files. + -h, --help Print help message and exit. + -v, --version Print version information and exit. + diff-options Options passed to diff(1). The first repeated argument of + the above or the first argument starting with a '-' but not + one of the above starts diff-options, the first one not + starting with it ends them. Default: $diffcopts for contents + (in addition to -r which will always be passed), -U0 for + others. + +More than one of -t, -l or -L may be specified. +EOF +} + +while true ; do + case $1 in + -t|--tables) + if [[ $tables$diffopts ]] ; then + diffopts+=" $1" + else + tables=true + fi + ;; + -l|--list) + if [[ $list$diffopts ]] ; then + diffopts+=" $1" + else + list=true + fi + ;; + -L|--long-list) + if [[ $long$diffopts ]] ; then + diffopts+=" $1" + else + long=true + fi + ;; + -h|--help) + if [[ $diffopts ]] ; then + diffopts+=" $1" + else + help + exit 0 + fi + ;; + -v|--version) + if [[ $diffopts ]] ; then + diffopts+=" $1" + else + version + exit 0 + fi + ;; + -*) + diffopts+=" $1" + ;; + *) + break + ;; + esac + shift +done +if [[ $# -lt 2 ]] ; then + usage + exit 1 +fi +for file in "$1" "$2" ; do + if [[ ! -f $file ]] ; then + [[ -e $file ]] && \ + echo "Error: not a regular file: '$file'" >&2 || + echo "Error: file does not exist: '$file'" >&2 + exit 1 + fi +done + +tmpdir=`mktemp -d ${TMPDIR:-/tmp}/msidiff.XXXXXX` + +mkdir "$tmpdir/old" "$tmpdir/new" +msidump --tables --directory "$tmpdir/old" $1 >/dev/null +msidump --tables --directory "$tmpdir/new" $2 >/dev/null +if ${list:-false} || ${long:-false} ; then + msiextract --directory "$tmpdir/old/files" $1 >/dev/null + msiextract --directory "$tmpdir/new/files" $2 >/dev/null +fi + +cd "$tmpdir" + +# Did the archives uncompress into base dirs? +if [[ $(ls -1d old/* | wc -l) -eq 1 ]] ; then + old=$(ls -1d old/*) +else + old=old +fi +if [[ $(ls -1d new/* | wc -l) -eq 1 ]] ; then + new=$(ls -1d new/*) +else + new=new +fi + +# Fixup base dirs to the same level. +if [[ $(basename "$old") != $(basename "$new") ]] ; then + if [[ $old != old ]] ; then + mv "$old" . + old=`basename "$old"` + fi + if [[ $new != new ]] ; then + mv "$new" . + new=`basename "$new"` + fi +fi + +# Tables mode is the default. +if [[ -z $list$tables$long ]] ; then + tables=true +else + tables=${tables:-false} +fi +list=${list:-false} +long=${long:-false} + +# Here we go. + +if $tables ; then + set +e + diff -r ${diffopts:-$diffcopts} "$old" "$new" + [[ $? -eq 0 || $? -eq 1 ]] || exit $? + set -e +fi + + +if $list ; then + find "$old/files" | sort | cut -d/ -f 3- -s > "$old.files" + find "$new/files" | sort | cut -d/ -f 3- -s > "$new.files" + set +e + diff ${diffopts:-$diffoopts} "$old.files" "$new.files" + [[ $? -eq 0 || $? -eq 1 ]] || exit $? + set -e +fi + +if $long ; then + find "$old/files" -ls | \ + perl -pe "s|^(?:[\d\s]*)(\S+)(?:\s+\d+)(.+)$|\1\2| ; + s|.*\s\Q$old/files\E$|| ; s|(\s)\Q$old/files/\E|\1|" | \ + sort > "$old.files" + find "$new/files" -ls | \ + perl -pe "s|^(?:[\d\s]*)(\S+)(?:\s+\d+)(.+)$|\1\2| ; + s|.*\s\Q$new/files\E$|| ; s|(\s)\Q$new/files/\E|\1|" | \ + sort > "$new.files" + set +e + diff ${diffopts:-$diffoopts} "$old.files" "$new.files" + [[ $? -eq 0 || $? -eq 1 ]] || exit $? + set -e +fi |