void *userdata) {
UnitFileInstallInfo *i = data;
+ const char *name;
char *printed;
int r;
assert(lvalue);
assert(rvalue);
+ name = basename(filename);
+ if (unit_name_is_valid(name, UNIT_NAME_INSTANCE))
+ /* When enabling an instance, we might be using a template unit file,
+ * but we should ignore DefaultInstance silently. */
+ return 0;
+ if (!unit_name_is_valid(name, UNIT_NAME_TEMPLATE))
+ return log_syntax(unit, LOG_WARNING, filename, line, 0,
+ "DefaultInstance only makes sense for template units, ignoring.");
+
r = install_full_printf(i, rvalue, &printed);
if (r < 0)
return r;