2 # This script reads filenames from STDIN and outputs any relevant requires
3 # information that needs to be included in the package.
5 # Based on rpm-4.4.2/scripts/find-req.pl
6 # Authors: Elan Ruusamäe <glen@pld-linux.org>
8 export PATH="/sbin:/usr/sbin:/bin:/usr/bin"
10 # Enable debug: JAVADEPS_DEBUG=true
11 : ${JAVADEPS_DEBUG=false}
13 # save $- state, to enable in functions
19 [ $# -gt 0 ] || return 1
20 $JAVADEPS_DEBUG && echo >&2 ">> javaclassversion($mode): $*"
22 # process only requires
23 [ "$mode" = requires ] || return $ret
25 local classver=$(echo "$@" | xargs -r file | grep -o 'compiled Java class data, version [0-9.]*' | awk '{print $NF}' | sort -u)
26 if [ -z "$classver" ]; then
31 for v in $classver; do
32 echo "java(ClassDataVersion) >= $v"
42 $JAVADEPS_DEBUG && echo >&2 ">> javajarversion($mode): $jar"
44 # check only files, symlinks could point outside buildroot
45 [ -f "$jar" -a ! -L "$jar" ] || return $ret
48 unzip -q -d $tmp $jar >&2
49 # workaround for .jar files with stupid permissions
52 # find .jar and .class files
53 find_javadeps $mode $(find $tmp -type f -regextype posix-extended -regex '^.+\.(class|jar)$') || ret=1
63 $JAVADEPS_DEBUG && echo >&2 ">> find_javadeps($mode): $*"
67 javajarversion $mode "$file" || ret=1
70 javaclassversion $mode "$file" || {
71 echo >&2 "ERROR: Class version could not be extracted from $file"
76 $JAVADEPS_DEBUG && echo >&2 ">> find_javadeps($mode): no handle: $file"
84 # default mode to requires for backward compat
98 find_javadeps $mode $(cat -) > $t || ret=1