kmx.io/rbpkg

diff --git a/lib/rbpkg.rb b/lib/rbpkg.rb
index 26dfc4a..70ca1a8 100644
--- a/lib/rbpkg.rb
+++ b/lib/rbpkg.rb
@@ -65,29 +65,21 @@ module Rbpkg
             if ! status[name] || ! FileUtils.uptodate?(file, [subdir_file])
               FileUtils.cp(subdir_file, file)
               FileUtils.touch(file, mtime: File.mtime(subdir_file))
-              case s = File.read(file).strip
-              when "running"
-                status[name] = :running
-                verbose(3, "status[#{name.inspect}] = :running")
-              when "ko"
-                if status[name] != :running
-                  status[name] = :ko
-                  verbose(3, "status[#{name.inspect}] = :ko")
-                end
-              when "ok"
-                if ! status[name]
-                  status[name] = :ok
-                  verbose(3, "status[#{name.inspect}] = :ok")
-                end
-              else
-                raise "unknown status: #{s}"
-              end
+              status[name] = true
             end
           end
         end
       end
-      status.each do |name, status|
-        File.write("#{name}.status", status)
+      status.each do |name, s|
+        sh_name = sh_quote(name)
+        s = if system("grep -q running */*/#{sh_name}.status")
+              :running
+            elsif system("grep -q ko */*/#{sh_name}.status")
+              :ko
+            else
+              :ok
+            end
+        File.write("#{name}.status", s)
       end
     end
     log = {}