From 056fc66c699a8544c7692a03c905fca568f5390b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=BCdiger=20Oertel?= <ro@suse.de>
Date: Mon, 6 Nov 2023 12:01:16 +0100
Subject: [PATCH] patch alljava.sh and alljava.csh, use the links from update
 alternatives

fix the issues from bsc#1107342 and bsc#1215434

diff --git a/files/etc/profile.d/alljava.csh b/files/etc/profile.d/alljava.csh
index 297303c..8c7601a 100644
--- a/files/etc/profile.d/alljava.csh
+++ b/files/etc/profile.d/alljava.csh
@@ -9,39 +9,18 @@
 #                     JDK_HOME, SDK_HOME
 #
 
-foreach JDIR ( "/usr/lib64/jvm" "/usr/lib/jvm" "/usr/java/latest" "/usr/java" )
+if ( -l /etc/alternatives/java ) then
+    set ALTERNATIVES_JAVA_LINK=`realpath /etc/alternatives/java`
+    setenv JRE_HOME $ALTERNATIVES_JAVA_LINK:h:h
+    unset ALTERNATIVES_JAVA_LINK
+endif
+
+if ( -l /etc/alternatives/javac ) then
+    set ALTERNATIVES_JAVAC_LINK=`realpath /etc/alternatives/javac`
+    setenv JAVA_HOME $ALTERNATIVES_JAVAC_LINK:h:h
+    setenv JAVA_HOME $JAVA_HOME/bin
+    setenv JDK_HOME $JAVA_HOME
+    setenv SDK_HOME $JAVA_HOME
+    unset ALTERNATIVES_JAVAC_LINK
+endif
 
-    if ( ! -d $JDIR ) continue
-
-    foreach JPATH ( $JDIR $JDIR/java $JDIR/java-[a-z]* $JDIR/java-[0-9]* $JDIR/jre $JDIR/jre-[a-z]* $JDIR/jre-[0-9]* )
-
-	if ( ! -d $JPATH ) continue
-
-        if ( ! -x $JPATH/bin/java ) continue
-
-        setenv JAVA_BINDIR $JPATH/bin
-        setenv JAVA_ROOT $JPATH
-        setenv JAVA_HOME $JPATH
-        unset JDK_HOME
-        unset SDK_HOME
-
-        switch ( $JPATH )
-        case *jre*:
-            setenv JRE_HOME $JPATH
-            breaksw
-        default:
-            if ( -x $JPATH/jre/bin/java ) then
-                setenv JRE_HOME $JPATH/jre
-            else
-                setenv JRE_HOME $JPATH
-            endif
-            # it is development kit=20
-            if ( -x $JPATH/bin/javac ) then
-                setenv JDK_HOME $JPATH
-                setenv SDK_HOME $JPATH
-            endif
-        endsw
-    end
-    unset JPATH
-end
-unset JDIR
diff --git a/files/etc/profile.d/alljava.sh b/files/etc/profile.d/alljava.sh
index 3ce34de..78fabee 100644
--- a/files/etc/profile.d/alljava.sh
+++ b/files/etc/profile.d/alljava.sh
@@ -9,51 +9,18 @@
 #                     JDK_HOME, SDK_HOME
 #
 
-for JDIR in /usr/lib64/jvm /usr/lib/jvm /usr/java/latest /usr/java; do
+if test -L /etc/alternatives/java; then
+    ALTERNATIVES_JAVA_LINK=`realpath /etc/alternatives/java`
+    export JRE_HOME=${ALTERNATIVES_JAVA_LINK/\/bin\/java}
+    unset ALTERNATIVES_JAVA_LINK
+fi
+
+if test -L /etc/alternatives/javac; then
+    ALTERNATIVES_JAVAC_LINK=`realpath /etc/alternatives/javac`
+    export JAVA_HOME=${ALTERNATIVES_JAVAC_LINK/\/bin\/javac}
+    export JAVA_BINDIR=$JAVA_HOME/bin
+    export JDK_HOME=$JAVA_HOME
+    export SDK_HOME=$JAVA_HOME
+    unset ALTERNATIVES_JAVAC_LINK
+fi
 
-    if ! test -d $JDIR; then
-        continue
-    fi
-
-    for JPATH in $JDIR $JDIR/java $JDIR/java-[a-z]* $JDIR/java-[0-9]* $JDIR/jre $JDIR/jre-[a-z]* $JDIR/jre-[0-9]*; do
-
-    	if ! test -d $JPATH; then
-            continue
-    	fi
-
-        if ! test -x $JPATH/bin/java; then
-            continue
-        fi
-
-        export JAVA_BINDIR=$JPATH/bin
-        export JAVA_ROOT=$JPATH
-        export JAVA_HOME=$JPATH
-        unset JDK_HOME
-        unset SDK_HOME
-
-        case "$JPATH" in
-            *jre*)
-                [ -z "$JRE_HOME" ] && export JRE_HOME=$JPATH
-                ;;
-
-            *)
-		if [ -x $JPATH/jre/bin/java ] ; then
-                    [ -z "$JRE_HOME" ] && export JRE_HOME=$JPATH/jre
-		else
-		    [ -z "$JRE_HOME" ] && export JRE_HOME=$JPATH
-		fi
-                # it is development kit
-                if [ -x $JPATH/bin/javac ] ; then
-                    export JDK_HOME=$JPATH
-                    export SDK_HOME=$JPATH
-                    unset JPATH
-                    break 2; # we found a JRE + SDK -- don't look any further
-                fi
-                ;;
-        esac
-
-    done
-    unset JPATH
-
-done
-unset JDIR