1 #!/bin/bash
2 #
3 # Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
4 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 #
6 # This code is free software; you can redistribute it and/or modify it
7 # under the terms of the GNU General Public License version 2 only, as
8 # published by the Free Software Foundation.
9 #
10 # This code is distributed in the hope that it will be useful, but WITHOUT
11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 # version 2 for more details (a copy is included in the LICENSE file that
14 # accompanied this code).
15 #
16 # You should have received a copy of the GNU General Public License version
17 # 2 along with this work; if not, write to the Free Software Foundation,
18 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 #
20 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 # or visit www.oracle.com if you need additional information or have any
22 # questions.
23 #
24
25 # Simple tool to diff two jar or zip files. It unpacks the jar/zip files and
26 # reports if files differs and if files are new or missing.
27 # Assumes gnu diff.
28
29 # There are a few source files that have DOS line endings in the
30 # jaxp/jaxws source drops, when the sources were added to the repository
31 # the source files were converted to UNIX line endings.
32 # For now we ignore these differences.
33 DIFF_FLAGS="--strip-trailing-cr"
34 #set -x
35
36 if [ $# -lt 2 ]
37 then
38 echo "Diff two jar/zip files. Return codes: 0 - no diff, 1 - diff, 2 - couldn't perform diff"
39 echo "Syntax: $0 old_archive new_archive [old_root new_root]"
40 exit 2
41 fi
42
43 if [ ! -f $1 ]
44 then
45 echo $1 does not exist
46 exit 2
47 fi
48
49 if [ ! -f $2 ]
50 then
51 echo $2 does not exist
52 exit 2
53 fi
54
55 IGNORES="cat"
56 OLD=$(cd $(dirname $1) && pwd)/$(basename $1)
57 NEW=$(cd $(dirname $2) && pwd)/$(basename $2)
58
59 if [ $# -gt 3 ]
60 then
61 ROOT1=$(cd $3 && pwd)
62 ROOT2=$(cd $4 && pwd)
63 OLD_NAME=$(echo $OLD | sed "s|$ROOT1/||")
64 NEW_NAME=$(echo $NEW | sed "s|$ROOT2/||")
65 if [ $# == 5 ]; then IGNORES="$5"; fi
66 else
67 ROOT1=$(dirname $OLD)/
68 ROOT2=$(dirname $NEW)/
69 OLD_NAME=$OLD
70 NEW_NAME=$NEW
71 if [ $# == 3 ]; then IGNORES="$3"; fi
72 fi
73
74 if [ "`uname`" == "SunOS" ]; then
75 DIFF=gdiff
76 else
77 DIFF=diff
78 fi
79
80 OLD_SUFFIX="${OLD##*.}"
81 NEW_SUFFIX="${NEW##*.}"
82 if [ "$OLD_SUFFIX" != "$NEW_SUFFIX" ]; then
83 echo The files do not have the same suffix type!
84 exit 2
85 fi
86
87 if [ "$OLD_SUFFIX" != "zip" ] && [ "$OLD_SUFFIX" != "jar" ]; then
88 echo The files have to be zip or jar! They are $OLD_SUFFIX
89 exit 2
90 fi
91
92 UNARCHIVE="unzip -q"
93
94 TYPE="$OLD_SUFFIX"
95
96 if cmp $OLD $NEW > /dev/null
97 then
98 # The files were bytewise identical.
99 exit 0
100 fi
101
102 # Not quite identical, the might still contain the same data.
103 # Unpack the jar/zip files in temp dirs
104 if test "x$COMPARE_ROOT" == "x"; then
105 COMPARE_ROOT=/tmp/compare_root.$$
106 REMOVE_COMPARE_ROOT=true
107 fi
108 OLD_TEMPDIR=$COMPARE_ROOT/$OLD_NAME.old
109 NEW_TEMPDIR=$COMPARE_ROOT/$NEW_NAME.new
110 mkdir -p $OLD_TEMPDIR
111 mkdir -p $NEW_TEMPDIR
112 (cd $OLD_TEMPDIR && rm -rf * ; $UNARCHIVE $OLD)
113 (cd $NEW_TEMPDIR && rm -rf * ; $UNARCHIVE $NEW)
114
115 ONLY1=$(LANG=C $DIFF -rq $OLD_TEMPDIR $NEW_TEMPDIR | grep "^Only in $OLD_TEMPDIR")
116
117 if [ -n "$ONLY1" ]; then
118 echo " Only the OLD $OLD_NAME contains:"
119 LANG=C $DIFF -rq $DIFF_FLAGS $OLD_TEMPDIR $NEW_TEMPDIR | grep "^Only in $OLD_TEMPDIR" \
120 | sed "s|Only in $OLD_TEMPDIR| |"g | sed 's|: |/|g'
121 fi
122
123 ONLY2=$(LANG=C $DIFF -rq $OLD_TEMPDIR $NEW_TEMPDIR | grep "^Only in $NEW_TEMPDIR")
124
125 if [ -n "$ONLY2" ]; then
126 echo " Only the NEW $NEW_NAME contains:"
127 LANG=C $DIFF -rq $DIFF_FLAGS $OLD_TEMPDIR $NEW_TEMPDIR | grep "^Only in $NEW_TEMPDIR" \
128 | sed "s|Only in $NEW_TEMPDIR| |"g | sed 's|: |/|g'
129 fi
130
131 DIFFTEXT=`dirname $0`/difftext.sh
132
133 LANG=C $DIFF -rq $DIFF_FLAGS $OLD_TEMPDIR $NEW_TEMPDIR | grep differ | cut -f 2,4 -d ' ' | \
134 awk "{ print \"$DIFFTEXT \"\$1\" \"\$2 }" > $COMPARE_ROOT/diffing
135
136 /bin/bash $COMPARE_ROOT/diffing > $COMPARE_ROOT/diffs
137
138 if [ -s "$COMPARE_ROOT/diffs" ]; then
139 echo " Differing files in $OLD_NAME"
140 cat $COMPARE_ROOT/diffs | grep differ | $IGNORES | cut -f 2 -d ' ' | \
141 sed "s|$OLD_TEMPDIR| |g"
142 fi
143
144 # Clean up
145
146 if [ "x$REMOVE_COMPARE_ROOT" == xtrue ]; then
147 rm -rf $REMOVE_COMPARE_ROOT
148 fi
149
150 exit 1
151