script for comparing two directories containing java packages (jar,war,ear,zip etc). The script basically builds input for http://pkgdiff.github.io/pkgdiff/ if you give it two "versions" of a distribution dir. The script only handles up to one level of nesting, so structures like these work: copy1 |_ enterprise.sar |_sub |_ some.jar |_ a.war cop…

diffreport.sh

#!/bin/bash

dir1=$1
dir2=$2

die() {
    echo >&2 "$@"
    exit 1
}

[ -d "$dir1" ] || die "first parameter not a directory: $dir1"
[ -d "$dir2" ] || die "second parameter not a directory: $dir2"

i() {
    echo -e "[INFO] " $@
}

mkdir -p /tmp/diffreport

DCMD="/tmp/diffreport/pkgdiff-1.5/pkgdiff.pl"

if [ ! -f $DCMD ];
then
    cd /tmp/diffreport
    i "downloading pkgdiff"
    curl "https://codeload.github.com/pkgdiff/pkgdiff/tar.gz/1.5" | tar xz
    cd -
fi

declare -a PACKAGES=()
addToList() {
    i "...adding \E[32m$1\E[00m to list of changed packages"
    PACKAGES+=" $1"
}

d() {
    if [ -d "$dir1/$1" ]; then
        d=$(diff $dir1/$1 $dir2/$1 | grep -v "Common subdirectories" | sed ':a;N;$!ba;s|\n| |g')
        if [[ "$d" == *"Only in"* ]]; then
            i "\E[33m$d\E[00m"
        else
        d=$(echo $d | sed -e "s|Binary\ files\ ||gi")
        d=$(echo $d | sed -e "s|and\ .*"$dir1"|"$dir1"|gi")
        d=$(echo $d | sed -e "s|and\ .*$||")
        #echo "D3: $d"

        if [ -z "$d" ]
        then 
            i "\E[34mno change\E[00m" 
        else 
            for change in $d
            do
                addToList "$change"
            done
        fi
    fi
    fi
}

i "checking toplevel directories for changes"
d "."

DIRS=$(find $dir1 -type d -printf '%f\n' | grep -v $dir1)
for dir in $DIRS; do 
    i "checking $dir"
    d "$dir"
done

i "checking following packages:\n"
for p in $PACKAGES; do echo $p; done

xml() {
    name=$1
    echo "<version>$name</version><group>pp</group><packages>" > /tmp/diffreport/$name.xml
    for p in $PACKAGES; do
        if [ -z $2 ]; then
            echo "$p" >> /tmp/diffreport/$name.xml
        else
            echo "$p" | sed -e "s|"$dir1"|"$dir2"|" >> /tmp/diffreport/$name.xml
        fi
    done;
    echo "</packages>" >> /tmp/diffreport/$name.xml
}
xml "OLD"
xml "NEW" "replacepath"


$DCMD -report-path /tmp/diffreport/report/index.html /tmp/diffreport/OLD.xml /tmp/diffreport/NEW.xml