Ensure new changes properly cancel unneeded tests

frameworks/C/duda/install.sh

@@ -1,3 +1,15 @@
 #!/bin/bash
 
-fw_depends duda
+RETCODE=$(fw_exists duda-0.23.installed)
+[ ! "$RETCODE" == 0 ] || { return 0; }
+
+fw_get http://duda.io/releases/duda-client/dudac-0.23.tar.gz -O dudac-0.23.tar.gz
+fw_untar dudac-0.23.tar.gz
+
+cd dudac-0.23
+
+./dudac -r
+./dudac -s
+
+cd ..
+touch duda-0.23.installed