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#!/bin/ksh |
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# |
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# $Id: diffpkg 431 2006-03-22 01:19:51Z comand $ |
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# |
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# Copyright 2006 Cory Omand <comand@blastwave.org> |
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# All rights reserved. Use is subject to license terms. |
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# |
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# Redistribution and/or use, with or without modification, is |
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# permitted. This software is without warranty of any kind. The |
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# author(s) shall not be liable in the event that use of the |
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# software causes damage. |
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# |
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# diffpkg - compare the manifests of two packages (does not |
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# report file content or size changes). |
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# |
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|
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F1=$1 |
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F2=$2 |
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|
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if [ -z "$F2" ] || [ ! -f $F1 ] || [ ! -f $F2 ]; then |
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print "Usage: $0 <pkg1> <pkg2>" |
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exit 1 |
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fi |
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|
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# Create temp dir |
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TMPDIR=/tmp/compare.$$ |
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mkdir -p $TMPDIR |
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|
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# Process F1 |
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TF1=$TMPDIR/`basename $F1` |
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cp $F1 $TMPDIR |
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gunzip $TF1 >/dev/null 2>&1 |
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[ $? -eq 0 ] && TF1=$TMPDIR/`basename $TF1 .gz` |
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|
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TF1NAME=`pkginfo -d $TF1 | cut -f2 -d' '` |
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TF1ROOT=$TMPDIR/${TF1NAME}-1 |
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pkgadd -s $TMPDIR -d $TF1 $TF1NAME >/dev/null 2>&1 |
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es=$? |
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if [ $es -ne 0 ]; then |
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echo "Failed to spool $F1: pkgadd returned exit code $es" |
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exit $es |
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fi |
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mv $TMPDIR/$TF1NAME $TF1ROOT |
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rm -f $TF1 |
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|
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# Process F2 |
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TF2=$TMPDIR/`basename $F2` |
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cp $F2 $TMPDIR |
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gunzip $TF2 >/dev/null 2>&1 |
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[ $? -eq 0 ] && TF2=$TMPDIR/`basename $TF2 .gz` |
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|
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TF2NAME=`pkginfo -d $TF2 | cut -f2 -d' '` |
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TF2ROOT=$TMPDIR/${TF2NAME}-2 |
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pkgadd -s $TMPDIR -d $TF2 $TF2NAME >/dev/null 2>&1 |
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es=$? |
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if [ $es -ne 0 ]; then |
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echo "Failed to spool $F1: pkgadd returned exit code $es" |
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exit $es |
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fi |
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mv $TMPDIR/$TF2NAME $TF2ROOT |
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rm -f $TF2 |
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|
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if [ "$TF1NAME" != "$TF2NAME" ]; then |
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echo "Cannot compare packages $TF1NAME and $TF2NAME" |
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rm -rf $TMPDIR |
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exit 2 |
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fi |
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|
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# Sort manifests |
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nawk 'NF > 6 { print $4 }' $TF1ROOT/pkgmap | sort | uniq > $TF1ROOT/manifest |
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nawk 'NF > 6 { print $4 }' $TF2ROOT/pkgmap | sort | uniq > $TF2ROOT/manifest |
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|
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# Compare manifests |
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diff -u $TF1ROOT/manifest $TF2ROOT/manifest > $TMPDIR/manifest.diff |
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if [ -s $TMPDIR/manifest.diff ]; then |
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cat $TMPDIR/manifest.diff |
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else |
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echo "Package lists are the same" |
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fi |
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|
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# Clean up |
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rm -rf $TMPDIR |
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exit 0 |
