--- trunk/mage/usr/lib/mage/depwalker.sh	2013/10/10 11:05:34	2195
+++ trunk/mage/usr/lib/mage/depwalker.sh	2013/10/25 07:52:00	2274
@@ -33,13 +33,19 @@
 	echo "  -b     --pbuild        build number of the package"
 	echo "  -m     --method        which calc method should be used:"
 	echo "                         install, srcinstall, depend, srcdepend"
-	echo "                         upgrade, srcupgrade"
+	echo "                         upgrade, srcupgrade,"
+	echo "                         install-build-prerequisites,"
+	echo "                         pretend-build-prerequisites"
+	echo "  -d     --debug         enable debug mode"
 	echo
 	echo "method, name, version and build must be given !"
 	echo
 	exit 1
 }
 
+# always default debug=0
+DEBUG=0
+
 # very basic getops
 for i in $*
 do
@@ -49,6 +55,7 @@
 		--pver|-v) shift; PVER="$1" ;;
 		--pbuild|-b) shift; PBUILD="$1" ;;
 		--method|-m) shift; METHOD="$1" ;;
+		--debug|-d) shift; DEBUG=1 ;;
 		--help|-h) usage ;;
 	esac
 	shift
@@ -151,6 +158,28 @@
 		fi
 	fi
 
+	if [[ ${METHOD} = install-build-prerequisites ]] || \
+		[[ ${METHOD} = pretend-build-prerequisites ]]
+	then
+		# only one time
+		if [[ ${LOOP_COUNTER} -lt 1 ]]
+		then
+			# only if SDEPEND is not zero
+			if [ -n "${SDEPEND}" ]
+			then
+				# crlf is substantly needed !!
+				if [ -n "${MY_DEPEND}" ]
+				then
+					MY_DEPEND="${MY_DEPEND}
+						${SDEPEND}"
+				else
+					MY_DEPEND="${SDEPEND}"
+				fi
+			fi
+		fi
+		LOOP_COUNTER=${LOOP_COUNTER}+1
+	fi
+
 	unset DEPEND
 	unset SDEPEND
 
@@ -161,6 +190,11 @@
 
 	while read SYM DEPNAME
 	do
+		if [[ ${DEBUG} = 1 ]]
+		then
+			echo "DEBUG: DEPNAME='${DEPNAME}'" >&2
+		fi
+
 		# exclude empty depnames
 		[[ -z ${DEPNAME} ]] && continue
 
@@ -212,7 +246,8 @@
 [[ ${METHOD} = pretend ]] || \
 	[[ ${METHOD} = srcpretend ]] || \
 	[[ ${METHOD} = uppretend ]] || \
-	[[ ${METHOD} = srcuppretend ]] && \
+	[[ ${METHOD} = srcuppretend ]] || \
+	[[ ${METHOD} = pretend-build-prerequisites ]] && \
 	echo -n "Calculating dependencies ... "
 
 
@@ -250,21 +285,27 @@
 		fi
 	done
 else
+	LOOP_COUNTER=0
 	# get all dependencies of the package
 	depwalking ${MAGEFILE}
 fi
 
-# now add the package itself to the dependencies
-# (if not exists already)
-if checklist_alldeps "${MAGEFILE}"
+if [[ ${METHOD} != install-build-prerequisites ]] &&
+	[[ ${METHOD} != pretend-build-prerequisites ]]
 then
-	ALLDEPS="${ALLDEPS} ${MAGEFILE}"
+	# now add the package itself to the dependencies
+	# (if not exists already)
+	if checklist_alldeps "${MAGEFILE}"
+	then
+		ALLDEPS="${ALLDEPS} ${MAGEFILE}"
+	fi
 fi
 
 [[ ${METHOD} = pretend ]] || \
 	[[ ${METHOD} = srcpretend ]] || \
 	[[ ${METHOD} = uppretend ]] || \
-	[[ ${METHOD} = srcuppretend ]] && \
+	[[ ${METHOD} = srcuppretend ]] || \
+	[[ ${METHOD} = pretend-build-prerequisites ]] && \
 	echo "done"
 
 
@@ -272,7 +313,8 @@
 if [[ ${METHOD} = pretend ]] || \
 	[[ ${METHOD} = srcpretend ]] || \
 	[[ ${METHOD} = uppretend ]] || \
-	[[ ${METHOD} = srcuppretend ]]
+	[[ ${METHOD} = srcuppretend ]] || \
+	[[ ${METHOD} = pretend-build-prerequisites ]]
 then
 	# this is a little bit faster
 	declare -i x=0
@@ -289,7 +331,7 @@
 		PBUILD="$(magename2pbuild ${i})"
 		if [ -z "${list}" ]
 		then
-			list="\t${COLBLUE}[${k}] ${COLGREEN}${PCAT}/${PNAME}-${PVER}-${PBUILD}${COLDEFAULT}"		
+			list="\t${COLBLUE}[${k}] ${COLGREEN}${PCAT}/${PNAME}-${PVER}-${PBUILD}${COLDEFAULT}"
 		else
 			list="${list}
 \t${COLBLUE}[${k}] ${COLGREEN}${PCAT}/${PNAME}-${PVER}-${PBUILD}${COLDEFAULT}"
@@ -331,5 +373,6 @@
 [[ ${METHOD} = install ]] || \
 	[[ ${METHOD} = srcinstall ]] || \
 	[[ ${METHOD} = upgrade ]] || \
-	[[ ${METHOD} = srcupgrade ]] && \
+	[[ ${METHOD} = srcupgrade ]] || \
+	[[ ${METHOD} = install-build-prerequisites ]] && \
 	echo "${ALLDEPS}"