partially revert "fix "caddy-frontend: Improve validation with decoupled configu…

…ration state calculation""

The states has been correctly propagated and used. Original author had no
idea what he was doing, possibly because of some incorrect assumptions while
developing this fix.

/reviewed-on nexedi/slapos!587

software/caddy-frontend/buildout.hash.cfg

@@ -102,7 +102,7 @@ md5sum = 89839a3f4ab71cab459afd1c27d00326
 
 [template-configuration-state-script]
 filename = templates/configuration-state-script.sh.in
-md5sum = 8d55aea0a4ebc262d2f7c2f96dd5428c
+md5sum = 4d2537d2698d32a7e909989f8778d144
 
 [template-rotate-script]
 filename = templates/rotate-script.sh.in

software/caddy-frontend/templates/configuration-state-script.sh.in

@@ -10,9 +10,9 @@ touch $SIGNATURE_FILE
 if diff "$SIGNATURE_FILE" "$NSIGNATURE_FILE" > /dev/null ; then
   # No changes since last run just propagate information
   rm -f ${NSIGNATURE_FILE}
-  exit 0
+  exit 1
 else
   # Changes since last run, so store new value and propagate information
   mv "$NSIGNATURE_FILE" "$SIGNATURE_FILE"
-  exit 1
+  exit 0
 fi