Add verbose mode

dotfiles/gittum/bin/sibling

         | perl -pe "s|[^/]+$|$1|;"
 }
 
+think() {
+    $verbose && echo "$@"
+}
 
 ## initz
 #
             sibling=$2
             shift 2
             ;;
+        -v|--verbose)
+            verbose=true
+            shift
+            ;;
         "")
             break
             ;;
 new_remote=$(rewrite_uri_to $project)
 popd >/dev/null
 
-echo \'git clone $new_remote\'
+think \'git clone $new_remote\'
 git clone $new_remote