Test the modules the planner says the change reaches (hq ADR 0238)

merge-check.sh

@@ -25,7 +25,14 @@ fi
 race=""
 if command -v gcc >/dev/null 2>&1; then race="-race"; else echo "NOT RACE-CHECKED: the toolchain holds no C compiler"; fi
 
-touched=$(printf '%s\n' "${MESH_CHECK_CHANGED:-}" | tr ',' '\n' | sed -n 's#^modules/\([^/]*\)/.*#\1#p' | sort -u)
+# The modules the change reaches are the controller's planner's answer (MESH_CHECK_MODULES, hq ADR 0238):
+# a module by its name, a new one by its directory. By hand, without it, the directories the changed files
+# are in.
+if [ -n "${MESH_CHECK_MODULES:-}" ]; then
+	touched=$(printf '%s\n' "$MESH_CHECK_MODULES" | tr ',' '\n' | sed -e 's#^modules/##' -e '/\//d' | sort -u)
+else
+	touched=$(printf '%s\n' "${MESH_CHECK_CHANGED:-}" | tr ',' '\n' | sed -n 's#^modules/\([^/]*\)/.*#\1#p' | sort -u)
+fi
 for m in $touched; do
 	[ -d "modules/$m" ] || continue
 	if [ ! -f "modules/$m/go.mod" ]; then