opam: print repo list

prepare-opam.sh

@@ -59,8 +59,9 @@ if [[ -z "$FRESH_OPAM" ]]; then # skip if this is a fresh opam root
 fi
 
 # Print some version numbers
-status "[prepare-opam] Version report"
+status "[prepare-opam] opam report"
 opam config report
+opam repo list
 
 # Unpin all the things, to kill stale pins
 status "[prepare-opam] Removing old pins"