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 # save $- state, to enable in functions
13 # enable debug: FIND_JAVAREQ_DEBUG=true
14 FIND_JAVAREQ_DEBUG=${FIND_JAVAREQ_DEBUG:-false}
18 [ $# -gt 0 ] || return 1
19 $FIND_JAVAREQ_DEBUG && echo >&2 ">> class: $*"
21 local classver=$(echo "$@" | xargs -r file | grep -o 'compiled Java class data, version [0-9.]*' | awk '{print $NF}' | sort -u)
22 if [ -z "$classver" ]; then
27 for v in $classver; do
28 echo "java(ClassDataVersion) >= $v"
37 $FIND_JAVAREQ_DEBUG && echo >&2 ">> jar: $jar"
39 # check only files, symlinks could point outside buildroot
40 [ -f "$jar" -a ! -L "$jar" ] || return $ret
43 unzip -q -d $tmp $jar >&2
44 # workaround for .jar files with stupid permissions
47 # find .jar and .class files
48 find_requires $(find $tmp -type f -regextype posix-extended -regex '^.+\.(class|jar)$') || ret=1
57 $FIND_JAVAREQ_DEBUG && echo >&2 ">> find_requires: $*"
61 javajarversion "$file" || ret=1
64 javaclassversion "$file" || {
65 echo >&2 "ERROR: Class version could not be extracted from $file"
70 $FIND_JAVAREQ_DEBUG && echo >&2 ">> find_requires: no handle: $file"
79 find_requires $(cat -) > $t || ret=1