travis: make sure that *.perf and directives.* files are in sync

New features are constantly added to networkd. Apparently, not everybody
knows that the "directives" files should be updated too to make
the fuzzers aware of them.

tools/check-directives.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+set -e
+
+function generate_directives() {
+    perl -aF'/[\s,]+/' -ne '
+        if (my ($s, $d) = ($F[0] =~ /^([^\s\.]+)\.([^\s\.]+)$/)) { $d{$s}{"$d="} = 1; }
+        END { while (my ($key, $value) = each %d) {
+            printf "[%s]\n%s\n", $key, join("\n", keys(%$value))
+        }}' "$1"
+}
+
+if [[ $(generate_directives src/network/networkd-network-gperf.gperf | wc -l) -ne $(wc -l <test/fuzz/fuzz-network-parser/directives.network) ]]; then
+	echo "Looks like test/fuzz/fuzz-network-parser/directives.network hasn't been updated"
+	exit 1
+fi
+
+if [[ $(generate_directives src/network/netdev/netdev-gperf.gperf | wc -l) -ne $(wc -l <test/fuzz/fuzz-netdev-parser/directives.netdev) ]]; then
+	echo "Looks like test/fuzz/fuzz-netdev-parser/directives.netdev hasn't been updated"
+	exit 1
+fi

travis-ci/managers/fedora.sh

@@ -50,6 +50,7 @@ for phase in "${PHASES[@]}"; do
             $DOCKER_EXEC meson --werror -Dtests=unsafe -Dslow-tests=true build
             $DOCKER_EXEC ninja -v -C build
             $DOCKER_EXEC ninja -C build test
+            $DOCKER_EXEC tools/check-directives.sh
             ;;
         RUN_ASAN)
             $DOCKER_EXEC git clean -dxff