cycle: Print a diff of the changes, if there are any.

diff --git a/cycle b/cycle
index 6f4a177..43f561d 100755 (executable)
--- a/cycle
+++ b/cycle
@@ -2,5 +2,5 @@
 
 ./update PATHS
 ./report >PATHS.new
-if cmp -s PATHS.new PATHS; then rm PATHS.new
+if diff -u PATHS.new PATHS; then rm PATHS.new
 else mv PATHS.new PATHS; fi