Add notice about empty pager view

Similar to notice for blob view, mention when there is no pager content
to view and suggest the user to open the prompt to run a command.

diff --git a/tig.c b/tig.c
index 45e47b9da6f3a8666ad08f822551a4c884d8ae48..4b4a8c201317be91a8ccaa0d43f1a895dbbe53e1 100644 (file)
--- a/tig.c
+++ b/tig.c
@@ -2152,13 +2152,23 @@ view_driver(struct view *view, enum request request)
                               get_key(REQ_VIEW_TREE));
                        break;
                }
-               /* Fall-through */
+               open_view(view, request, OPEN_DEFAULT);
+               break;
+
+       case REQ_VIEW_PAGER:
+               if (!VIEW(REQ_VIEW_PAGER)->lines) {
+                       report("No pager content, press %s to run command from prompt",
+                              get_key(REQ_PROMPT));
+                       break;
+               }
+               open_view(view, request, OPEN_DEFAULT);
+               break;
+
        case REQ_VIEW_MAIN:
        case REQ_VIEW_DIFF:
        case REQ_VIEW_LOG:
        case REQ_VIEW_TREE:
        case REQ_VIEW_HELP:
-       case REQ_VIEW_PAGER:
                open_view(view, request, OPEN_DEFAULT);
                break;