ohair@425: #!/bin/bash
ohair@425: #
ohair@425: # Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
ohair@425: # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
ohair@425: #
ohair@425: # This code is free software; you can redistribute it and/or modify it
ohair@425: # under the terms of the GNU General Public License version 2 only, as
ohair@425: # published by the Free Software Foundation.
ohair@425: #
ohair@425: # This code is distributed in the hope that it will be useful, but WITHOUT
ohair@425: # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ohair@425: # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
ohair@425: # version 2 for more details (a copy is included in the LICENSE file that
ohair@425: # accompanied this code).
ohair@425: #
ohair@425: # You should have received a copy of the GNU General Public License version
ohair@425: # 2 along with this work; if not, write to the Free Software Foundation,
ohair@425: # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
ohair@425: #
ohair@425: # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@425: # or visit www.oracle.com if you need additional information or have any
ohair@425: # questions.
ohair@425: #
ohair@425: 
ohair@425: # Simple tool to diff two jar or zip files. It unpacks the jar/zip files and
ohair@425: # reports if files differs and if files are new or missing.
ohair@425: # Assumes gnu diff.
ohair@425: 
ohair@425: # There are a few source files that have DOS line endings in the
ohair@425: # jaxp/jaxws source drops, when the sources were added to the repository
ohair@425: # the source files were converted to UNIX line endings.
ohair@425: # For now we ignore these differences.
ohair@425: DIFF_FLAGS="--strip-trailing-cr"
ohair@425: #set -x
ohair@425: 
ohair@425: if [ $# -lt 2 ] 
ohair@425: then
ohair@425:   echo "Diff two jar/zip files. Return codes: 0 - no diff, 1 - diff, 2 - couldn't perform diff"
ohair@425:   echo "Syntax: $0 old_archive new_archive [old_root new_root]"
ohair@425:   exit 2
ohair@425: fi
ohair@425: 
ohair@425: if [ ! -f $1 ]
ohair@425: then
ohair@425:   echo $1 does not exist
ohair@425:   exit 2
ohair@425: fi
ohair@425: 
ohair@425: if [ ! -f $2 ]
ohair@425: then
ohair@425:   echo $2 does not exist
ohair@425:   exit 2
ohair@425: fi
ohair@425: 
ohair@425: IGNORES="cat"
ohair@425: OLD=$(cd $(dirname $1) && pwd)/$(basename $1)
ohair@425: NEW=$(cd $(dirname $2) && pwd)/$(basename $2)
ohair@425: 
ohair@425: if [ $# -gt 3 ]
ohair@425: then
ohair@425:     ROOT1=$(cd $3 && pwd)
ohair@425:     ROOT2=$(cd $4 && pwd)
ohair@425:     OLD_NAME=$(echo $OLD | sed "s|$ROOT1/||")
ohair@425:     NEW_NAME=$(echo $NEW | sed "s|$ROOT2/||")
ohair@425:     if [ $# == 5 ]; then IGNORES="$5"; fi
ohair@425: else
ohair@425:     ROOT1=$(dirname $OLD)/
ohair@425:     ROOT2=$(dirname $NEW)/
ohair@425:     OLD_NAME=$OLD
ohair@425:     NEW_NAME=$NEW
ohair@425:     if [ $# == 3 ]; then IGNORES="$3"; fi
ohair@425: fi
ohair@425: 
ohair@425: if [ "`uname`" == "SunOS" ]; then
erikj@458:     if [ -f "`which gdiff`" ]; then
erikj@458:         DIFF=gdiff
erikj@458:     else
erikj@458:         DIFF=diff
erikj@458:     fi
ohair@425: else
ohair@425:     DIFF=diff
ohair@425: fi
ohair@425: 
ohair@425: OLD_SUFFIX="${OLD##*.}"
ohair@425: NEW_SUFFIX="${NEW##*.}"
ohair@425: if [ "$OLD_SUFFIX" != "$NEW_SUFFIX" ]; then
ohair@425:     echo The files do not have the same suffix type!
ohair@425:     exit 2
ohair@425: fi
ohair@425: 
erikj@445: if [ "$OLD_SUFFIX" != "zip" ] && [ "$OLD_SUFFIX" != "jar" ] && [ "$OLD_SUFFIX" != "sym" ]; then
erikj@445:     echo The files have to be zip, jar or sym! They are $OLD_SUFFIX
ohair@425:     exit 2
ohair@425: fi
ohair@425: 
ohair@425: UNARCHIVE="unzip -q"
ohair@425: 
ohair@425: TYPE="$OLD_SUFFIX"
ohair@425: 
ohair@425: if cmp $OLD $NEW > /dev/null
ohair@425: then
ohair@425:     # The files were bytewise identical.
ohair@425:     exit 0
ohair@425: fi
ohair@425: 
ohair@425: # Not quite identical, the might still contain the same data.
ohair@425: # Unpack the jar/zip files in temp dirs
ohair@425: if test "x$COMPARE_ROOT" == "x"; then
ohair@425:     COMPARE_ROOT=/tmp/compare_root.$$
ohair@425:     REMOVE_COMPARE_ROOT=true
ohair@425: fi
ohair@425: OLD_TEMPDIR=$COMPARE_ROOT/$OLD_NAME.old
ohair@425: NEW_TEMPDIR=$COMPARE_ROOT/$NEW_NAME.new
ohair@425: mkdir -p $OLD_TEMPDIR
ohair@425: mkdir -p $NEW_TEMPDIR
ohair@425: (cd $OLD_TEMPDIR && rm -rf * ; $UNARCHIVE $OLD)
ohair@425: (cd $NEW_TEMPDIR && rm -rf * ; $UNARCHIVE $NEW)
ohair@425: 
ohair@425: ONLY1=$(LANG=C $DIFF -rq $OLD_TEMPDIR $NEW_TEMPDIR | grep "^Only in $OLD_TEMPDIR")
ohair@425: 
ohair@425: if [ -n "$ONLY1" ]; then
ohair@425:     echo "        Only the OLD $OLD_NAME contains:"
ohair@425:     LANG=C $DIFF -rq $DIFF_FLAGS $OLD_TEMPDIR $NEW_TEMPDIR | grep "^Only in $OLD_TEMPDIR" \
ohair@425:         | sed "s|Only in $OLD_TEMPDIR|            |"g | sed 's|: |/|g'
ohair@425: fi
ohair@425: 
ohair@425: ONLY2=$(LANG=C $DIFF -rq $OLD_TEMPDIR $NEW_TEMPDIR | grep "^Only in $NEW_TEMPDIR")
ohair@425: 
ohair@425: if [ -n "$ONLY2" ]; then
ohair@425:     echo "        Only the NEW $NEW_NAME contains:"
ohair@425:     LANG=C $DIFF -rq $DIFF_FLAGS $OLD_TEMPDIR $NEW_TEMPDIR | grep "^Only in $NEW_TEMPDIR" \
ohair@425:         | sed "s|Only in $NEW_TEMPDIR|            |"g | sed 's|: |/|g'
ohair@425: fi
ohair@425: 
erikj@445: DIFFTEXT="/bin/bash `dirname $0`/difftext.sh"
ohair@425: 
ohair@425: LANG=C $DIFF -rq $DIFF_FLAGS $OLD_TEMPDIR $NEW_TEMPDIR | grep differ | cut -f 2,4 -d ' ' | \
ohair@425:    awk "{ print \"$DIFFTEXT \"\$1\" \"\$2 }" > $COMPARE_ROOT/diffing
ohair@425: 
ohair@425: /bin/bash $COMPARE_ROOT/diffing > $COMPARE_ROOT/diffs
ohair@425: 
ohair@425: if [ -s "$COMPARE_ROOT/diffs" ]; then
ohair@425:    echo "        Differing files in $OLD_NAME"
ohair@425:    cat $COMPARE_ROOT/diffs | grep differ | $IGNORES | cut -f 2 -d ' ' | \
ohair@425:           sed "s|$OLD_TEMPDIR|            |g"
ohair@425: fi
ohair@425: 
ohair@425: # Clean up
ohair@425: 
ohair@425: if [ "x$REMOVE_COMPARE_ROOT" == xtrue ]; then
ohair@425:     rm -rf $REMOVE_COMPARE_ROOT
ohair@425: fi
ohair@425: 
ohair@425: exit 1
ohair@425: