prompt: make ':show <id>' use the diff view

Being able to have the same diff open twice is not very useful.

diff --git a/tig.c b/tig.c
index 8124d3cae7f49356db1eaa983134d10916cc685f..1ad19946bb6b2e32cfc369813d9047a08e2b1188 100644 (file)
--- a/tig.c
+++ b/tig.c
@@ -2704,7 +2704,10 @@ read_prompt(void)
        buf[pos++] = 0;
        if (!string_format(opt_cmd, "git %s", buf))
                return ERR;
-       opt_request = REQ_VIEW_PAGER;
+       if (strncmp(buf, "show", 4) && isspace(buf[4]))
+               opt_request = REQ_VIEW_DIFF;
+       else
+               opt_request = REQ_VIEW_PAGER;
 
        return OK;
 }