--- trunk/mage/usr/lib/mage/depwalker.sh	2008/01/13 21:32:38	654
+++ trunk/mage/usr/lib/mage/depwalker.sh	2008/03/26 15:58:25	701
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 #depwalker
-# $Header: /home/cvsd/magellan-cvs/magellan-src/mage/usr/lib/mage/depwalker.sh,v 1.7 2008-01-13 21:32:38 niro Exp $
+# $Header: /home/cvsd/magellan-cvs/magellan-src/mage/usr/lib/mage/depwalker.sh,v 1.10 2008-03-26 15:58:25 niro Exp $
 
 # default die function
 die()
@@ -57,7 +57,7 @@
 	echo "                         install, srcinstall, depend, srcdepend"
 	echo "                         upgrade, srcupgrade"
 	echo
-	echo "method,name, version and build must be given !"
+	echo "method, name, version and build must be given !"
 	echo
 	exit 1
 }
@@ -175,6 +175,9 @@
 
 	while read SYM DEPNAME
 	do
+		# exclude empty depnames
+		[[ -z ${DEPNAME} ]] && continue
+
 		# exclude all already processed deps -without version
 		if ! checklist_processeddeps "${DEPNAME%-*}"
 		then
@@ -182,7 +185,12 @@
 		fi
 
 		# mark depfile as processed to prevent double runs -without version
-		PROCESSEDDEPS="${PROCESSEDDEPS} ${DEPNAME%-*}"
+		# but do not add any virtuals to PROCESSEDDEPS or their resolved
+		# pkgnames will be ignored and they are missing on the dependecy-list
+		if [[ ${DEPNAME/virtual\//} = ${DEPNAME} ]]
+		then
+			PROCESSEDDEPS="${PROCESSEDDEPS} ${DEPNAME%-*}"
+		fi
 
 		HIGHEST_DEPFILE=$(dep2highest_magefile "${DEPNAME}")
 
@@ -236,6 +244,14 @@
 		# get the highest mage file from mage-db
 		MAGEFILE="$(get_highest_magefile ${PCAT} ${PNAME})"
 
+		# if no install candidate was found, record this
+		# and process with the next one
+		if [[ -z ${MAGEFILE} ]]
+		then
+			NO_UPGRADE_CANDIDATE="${NO_UPGRADE_CANDIDATE} ${PCAT}/${PNAME}"
+			continue
+		fi
+
 		# now get the pver&pbuild from the new file
 		PVER="$(magename2pver ${MAGEFILE})"
 		PBUILD="$(magename2pbuild ${MAGEFILE})"
@@ -301,6 +317,20 @@
 	echo "done"
 	echo -e "${list}"
 	echo
+
+	if [[ ! -z ${NO_UPGRADE_CANDIDATE} ]]
+	then
+		echo -e "${COLRED}Currently no candidates found for:${COLDEFAULT}"
+		for i in ${NO_UPGRADE_CANDIDATE}
+		do
+			echo -e "${COLRED}    ${i}${COLDEFAULT}"
+		done
+		echo
+		echo -e "${COLRED}Please consider to uninstall all of them first,${COLDEFAULT}"
+		echo -e "${COLRED}because these packages does not exist in this distribution${COLDEFAULT}"
+		echo -e "${COLRED}and there will be no further updates or support for them.${COLDEFAULT}"
+		echo
+	fi
 fi
 
 ## return output from src/install deps