Merge pull request freifunk-gluon#2974 from freifunk-gluon/depdot

contrib: depdot: use processed package info

contrib/depdot.sh

@@ -2,7 +2,6 @@
 
 # Script to output the dependency graph of Gluon's packages
 # Limitations:
-#  * Works only if directory names and package names are the same (true for all Gluon packages)
 #  * Doesn't show dependencies through virtual packages correctly
 
 set -e
@@ -16,27 +15,42 @@ escape_name() {
 	echo -n "_$1" | tr -c '[:alnum:]' _
 }
 
-print_node () {
+print_node() {
 	echo "$(escape_name "$1") [label=\"$1\", shape=box];"
 }
 
 print_dep() {
 	echo "$(escape_name "$1") -> $(escape_name "$2");"
 }
 
-echo 'digraph G {'
-
-for makefile in ./package/*/Makefile; do
-	dir="$(dirname "$makefile")"
-	package="$(basename "$dir")"
-
-	deps=$(grep -w DEPENDS "$makefile" | cut -d= -f2 | tr -d +)
+print_package() {
+	local package="$1" depends="$2"
+	# shellcheck disable=SC2086
+	set -- $depends
 
 	print_node "$package"
-	for dep in $deps; do
+	for dep in "$@"; do
 		print_node "$dep"
 		print_dep "$package" "$dep"
 	done
+}
+
+make -C openwrt -s prepare-tmpinfo
+
+echo 'digraph G {'
+
+cat ./openwrt/tmp/info/.packageinfo-feeds_gluon_base_* | while read -r key value; do
+	case "$key" in
+	'Package:')
+		package="$value"
+		;;
+	'Depends:')
+		depends="${value//+/}"
+		;;
+	'@@')
+		print_package "$package" "$depends"
+		;;
+	esac
 done | sort -u
 
 popd >/dev/null