- workflow to process also provides

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

diff --git a/rpm-java-requires b/rpm-java-requires
index 2dfb0d5c60636421c560be1be5fcf2410f08e351..df592dff7732c9489e126f19d9bccae474b5b3e7 100644 (file)
--- a/rpm-java-requires
+++ b/rpm-java-requires
@@ -7,8 +7,20 @@
 
 export PATH="/sbin:/usr/sbin:/bin:/usr/bin"
 
+# Enable debug: JAVADEPS_DEBUG=true
+: ${JAVADEPS_DEBUG=false}
+
+# save $- state, to enable in functions
+debug=$-
+
 javaclassversion() {
+       set -$debug
+       local mode=$1; shift
        [ $# -gt 0 ] || return 1
+       $JAVADEPS_DEBUG && echo >&2 ">> javaclassversion($mode): $*"
+
+       # process only requires
+       [ "$mode" = requires ] || return $ret
 
        local classver=$(echo "$@" | xargs -r file | grep -o 'compiled Java class data, version [0-9.]*' | awk '{print $NF}' | sort -u)
        if [ -z "$classver" ]; then
@@ -17,14 +29,17 @@ javaclassversion() {
 
        local v
        for v in $classver; do
-               echo "java(ClassDataVersion) >= $v"
+               echo "$mode: java(ClassDataVersion) >= $v"
        done
        return 0
 }
 
 javajarversion() {
-       local jar="$1"
-       local ret=0
+       set -$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 $ret
@@ -33,38 +48,55 @@ javajarversion() {
        unzip -q -d $tmp $jar >&2
        # workaround for .jar files with stupid permissions
        chmod -R u+rwX $tmp
-       javaclassversion $(find $tmp -type f -name '*.class') || {
-               echo >&2 "ERROR: Class version could not be extracted from $jar"
-               ret=1
-       }
-       rm -rf $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
 }
 
-find_requires() {
+find_javadeps() {
+       set -$debug
+       local mode=$1; shift
        local ret=0
-       for file in $FILES; do
+
+       $JAVADEPS_DEBUG && echo >&2 ">> find_javadeps($mode): $*"
+       for file in $@; do
                case $file in
                *.jar)
-                       javajarversion "$file" || ret=1
+                       javajarversion $mode "$file" || ret=1
                ;;
                *.class)
-                       javaclassversion "$file" || {
+                       javaclassversion $mode "$file" || {
                                echo >&2 "ERROR: Class version could not be extracted from $file"
                                ret=1
                        }
                ;;
+               *)
+                       $JAVADEPS_DEBUG && echo >&2 ">> find_javadeps($mode): no handle: $file"
+               ;;
                esac
        done
        return $ret
 }
 
-FILES=$(cat -)
+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)
-ret=0
-find_requires > $t || ret=1
-cat $t
+find_javadeps $mode $(cat -) > $t || ret=1
+sort -u $t
 rm -f $t
+
 exit $ret