diff -aur pkgutils-5.35.5.orig/pkgmk.in pkgutils-5.35.5/pkgmk.in
--- pkgutils-5.35.5.orig/pkgmk.in	2013-03-13 09:05:01.000000000 -0500
+++ pkgutils-5.35.5/pkgmk.in	2016-10-03 19:52:52.912497086 -0500
@@ -33,6 +33,8 @@
 E_BUILD=8      # error while running 'build()'
 E_INSTALL=9    # error while installing the package via 'pkgadd'
 
+declare -a source
+
 info() {
 	echo "=======> $1"
 }
@@ -45,7 +47,35 @@
 	info "ERROR: $1" >&2
 }
 
-get_filename() {
+complete_renames() {
+	local i
+
+	i=0
+	while [ $i -lt ${#source[@]} ]; do
+		if [ $i -ge ${#rename[@]} -o "${rename[$i]}" = "=" ]; then
+			rename[$i]=${source[$i]}
+		fi
+		let i=$i+1
+	done
+}
+
+get_source_index() {
+	local i
+	
+	i=0
+	while [ $i -lt ${#source[@]} ]; do
+		if [ ${source[$i]} = $1 ]; then
+			break
+		fi
+		let i=$i+1
+	done
+	if [ $i -ge ${#source[@]} ]; then
+		i=-1
+	fi
+	echo $i
+}
+
+get_original_filename() {
 	if [[ $1 =~ ^(http|https|ftp|file)://.*/(.+) ]]; then
 		echo "$PKGMK_SOURCE_DIR/${BASH_REMATCH[2]}"
 	else
@@ -53,6 +83,21 @@
 	fi
 }
 
+get_filename() {
+	local i filename
+
+	filename=$1
+	i=$(get_source_index $filename)
+	if [ $i -gt -1 -a  ${rename[$i]} != ${source[$i]} ]; then
+		filename=${rename[$i]}
+	fi
+	if [[ $filename =~ ^(http|https|ftp|file)://.*/(.+) ]]; then
+		echo "$PKGMK_SOURCE_DIR/${BASH_REMATCH[2]}"
+	else
+		echo $1
+	fi
+}
+
 get_basename() {
 	local FILE="`echo $1 | sed 's|^.*://.*/||g'`"
 	echo $FILE
@@ -169,9 +214,11 @@
 }
 
 unpack_source() {
-	local FILE LOCAL_FILENAME COMMAND
+	local FILE LOCAL_FILENAME COMMAND i
 	
-	for FILE in ${source[@]}; do
+	i=0
+	while [ $i -lt ${#rename[@]} ]; do
+		FILE=${rename[$i]}
 		LOCAL_FILENAME=`get_filename $FILE`
 		case $LOCAL_FILENAME in
 			*.tar|*.tar.gz|*.tar.Z|*.tgz|*.tar.bz2|*.tbz2|*.tar.xz|*.txz|*.tar.lzma|*.zip|*.rpm)
@@ -191,18 +238,26 @@
 			error "Building '$TARGET' failed."
 			exit $E_UNPACK
 		fi
+		let i=$i+1
+
 	done
 }
 
 make_md5sum() {
-	local FILE LOCAL_FILENAMES
+	local FILE LOCAL_FILENAMES LOCAL_FILENAME REMOTE_FILENAME MAPPINGS
 	
+	MAPPINGS=""
 	if [ "$source" ]; then
 		for FILE in ${source[@]}; do
+			REMOTE_FILENAME=`get_original_filename $FILE`
+			REMOTE_FILENAME=`basename $REMOTE_FILENAME`
+			LOCAL_FILENAME=`get_filename $FILE`
+			LOCAL_FILENAME=`basename $LOCAL_FILENAME`
 			LOCAL_FILENAMES="$LOCAL_FILENAMES `get_filename $FILE`"
+			MAPPINGS="$MAPPINGS -e s=$LOCAL_FILENAME=$REMOTE_FILENAME=g"
 		done
-		
-		md5sum $LOCAL_FILENAMES | sed -e 's|  .*/|  |' | sort -k 2
+
+		md5sum $LOCAL_FILENAMES | sed -e 's|  .*/|  |' $MAPPINGS | sort -k 2
 	fi
 }
 
@@ -626,6 +681,7 @@
 		exit 0
 	fi
 	
+	rename=()
 	for FILE in $PKGMK_PKGFILE $PKGMK_CONFFILE; do
 		if [ ! -f $FILE ]; then
 			error "File '$FILE' not found."
@@ -650,6 +706,8 @@
 			;;
 	esac
 
+	complete_renames
+
 	if [ "$PKGMK_CLEAN" = "yes" ]; then
 		clean
 		exit 0