Only attempt to restore Pages if we have a backup

Author: lildude

libexec/ghe-restore-pages-rsync

@@ -22,8 +22,10 @@ host="$1"
 
 # Transfer all Pages data from the latest snapshot to the GitHub instance
 # in a single rsync invocation.
-rsync -avz --delete \
-    -e "ghe-ssh -p $(ssh_port_part "$host")" \
-    --rsync-path="sudo -u git rsync" \
-    "$GHE_DATA_DIR/$GHE_RESTORE_SNAPSHOT/pages/" \
-    "$(ssh_host_part "$host"):$GHE_REMOTE_DATA_DIR/pages" 1>&3
+if [ -d "$GHE_DATA_DIR/$GHE_RESTORE_SNAPSHOT/pages/" ]; then
+  rsync -avz --delete \
+      -e "ghe-ssh -p $(ssh_port_part "$host")" \
+      --rsync-path="sudo -u git rsync" \
+      "$GHE_DATA_DIR/$GHE_RESTORE_SNAPSHOT/pages/" \
+      "$(ssh_host_part "$host"):$GHE_REMOTE_DATA_DIR/pages" 1>&3
+fi