- now db6.1 as an alternative for db5.2

[packages/rpm.git] / rpm-java-requires

diff --git a/rpm-java-requires b/rpm-java-requires
index 40db41b61eda4be2125373f65f7e348c1ff3af4f..dc069c83d384be9f36e50fbb2ba75e45db65284f 100644 (file)
--- a/rpm-java-requires
+++ b/rpm-java-requires
@@ -7,44 +7,120 @@
 
 export PATH="/sbin:/usr/sbin:/bin:/usr/bin"
 
+# Set the prefix, unless it is overriden
+: ${RPM_LIBDIR=/usr/lib/rpm}
+
+# Enable debug: JAVADEPS_DEBUG=true
+: ${JAVADEPS_DEBUG=false}
+
+# xsltproc for eclipse feature.xml
+: ${xsltproc=/usr/bin/xsltproc}
+
+# save $- state, to enable in functions
+debug=$-
+
 javaclassversion() {
-       [ $# -gt 0 ] || return
+       set -$debug
+       local mode=$1; shift
+       [ $# -gt 0 ] || return 1
+       $JAVADEPS_DEBUG && echo >&2 ">> javaclassversion($mode): $*"
+
+       # process only requires
+       [ "$mode" = requires ] || return $ret
 
-       local ver
-       classver=$(echo "$@" | xargs -r file | grep -o 'compiled Java class data, version [0-9.]*' | awk '{print $NF}' | sort -u)
-       [ "$classver" ] || return
+       local classver=$(echo "$@" | xargs -r file | grep -o 'compiled Java class data, version [0-9.]*' | awk '{print $NF}' | sort -u)
+       if [ -z "$classver" ]; then
+               return 1
+       fi
+
+       local v
        for v in $classver; do
                echo "java(ClassDataVersion) >= $v"
        done
+       return 0
 }
 
 javajarversion() {
-       local jar="$1"
+       set -$debug
+       local mode=$1; shift
+       local jar=$1
+       local tmp ret=0
+       $JAVADEPS_DEBUG && echo >&2 ">> javajarversion($mode): $jar"
 
        # check only files, symlinks could point outside buildroot
-       [ -f "$jar" -a ! -L "$jar" ] || return
-
-#      echo >&2 "find java requires: ${jar#$RPM_BUILD_ROOT}"
+       [ -f "$jar" -a ! -L "$jar" ] || return $ret
 
        tmp=$(mktemp -d)
        unzip -q -d $tmp $jar >&2
-       javaclassversion $(find $tmp -type f -name '*.class')
+       # workaround for .jar files with stupid permissions
+       chmod -R u+rwX $tmp
+
+       # find .jar and .class files
+       find_javadeps $mode $(find $tmp -type f -regextype posix-extended  -regex '^.+\.(class|jar)$') || ret=1
        rm -rf $tmp
+       return $ret
 }
 
-FILES=$(cat -)
+eclipse_feature() {
+       set -$debug
+       local mode=$1; shift
+       local file=$1
+       local ret=0
+
+       $JAVADEPS_DEBUG && echo >&2 ">> eclipse_feature($mode): $file"
 
-find_requires() {
-       for file in $FILES; do
+       if [ ! -x $xsltproc ]; then
+               return 0
+       fi
+
+       $xsltproc --stringparam mode $mode ${RPM_LIBDIR}/eclipse-feature.xslt $file
+}
+
+find_javadeps() {
+       set -$debug
+       local mode=$1; shift
+       local ret=0
+
+       $JAVADEPS_DEBUG && echo >&2 ">> find_javadeps($mode): $*"
+       for file in $@; do
                case $file in
                *.jar)
-                       javajarversion "$file"
+                       javajarversion $mode "$file" || ret=1
                ;;
                *.class)
-                       javaclassversion "$file"
+                       javaclassversion $mode "$file" || {
+                               echo >&2 "ERROR: Class version could not be extracted from $file"
+                               ret=1
+                       }
+               ;;
+               */feature.xml)
+                       eclipse_feature $mode "$file" || ret=1
+               ;;
+               *)
+                       $JAVADEPS_DEBUG && echo >&2 ">> find_javadeps($mode): no handle: $file"
                ;;
                esac
        done
+       return $ret
 }
 
-find_requires | sort -u
+ret=0
+# default mode to requires for backward compat
+mode=requires
+case $1 in
+-P|--provides)
+       mode=provides
+       shift
+       ;;
+-R|--requires)
+       mode=requires
+       shift
+       ;;
+esac
+
+t=$(mktemp)
+find_javadeps $mode $(cat -) > $t || ret=1
+sort -u $t
+rm -f $t
+
+exit $ret