Improve mtree to plist converter

1/ Analyse the fields from mtree lines to extract:
 - owner,
 - group,
 - mode,
 - flags,
 - tags,
2/ Ignore non tagged entries
3/ For now concat tags to form a futur package name

release/scripts/mtree-to-plist.awk

@@ -1,15 +1,39 @@
 #!/usr/bin/awk
 /^[^#]/ {
 	gsub(/^\./,"", $1)
-	tags=$NF
-	gsub(/tags=/,"", tags)
-	output=tags".plist"
-	uname=$3
-	gname=$4
-	mode=$5
-	gsub(/uname=/, "", uname);
-	gsub(/gname=/, "", gname);
-	gsub(/mode=/, "", mode);
+	uname=""
+	gname=""
+	mode=""
+	flags=""
+	tags=""
+	for (i=2; i<=NF; i++) {
+		if ($i ~ /^uname=/) {
+			uname=$i
+			gsub(/uname=/, "", uname);
+		} else if ($i ~ /^gname=/) {
+			gname=$i
+			gsub(/gname=/, "", gname);
+		} else if ($i ~ /^mode=/) {
+			mode=$i
+			gsub(/mode=/,"", mode);
+		} else if ($i ~ /^flags=/) {
+			flags=$i
+			gsub(/flags=/, "", flags);
+		} else if ($i ~ /^tags=/) {
+			tags=$i
+			gsub(/tags=/, "", tags);
+		}
+	}
+	if (length(tags) == 0)
+		next
+	if (tags ~ /package=/) {
+		gsub(/package=/,"",tags);
+		gsub(/,/, "-", tags);
+		pkg=tags
+	} else {
+		pkg=tags
+	}
+	output=pkg".plist"
 
-	print "@("uname","gname","mode") " $1 > output
+	print "@("uname","gname","mode","flags") " $1 > output
 }