emacs: define, use option :disable-excludes for n-h-query-counts

Initially only use in notmuch-hello-insert-alltags. This is a more
narrow resolution of [1], which (unlike [2]) does not disable exclude
processing for regular saved searches.

[1]: id:87wox1vovj.fsf@len.workgroup
[2]: id:20220105010606.2034601-2-david@tethera.net

emacs/notmuch-hello.el

@@ -557,7 +557,8 @@ with any properties in the original saved-search.
 
 The values :show-empty-searches, :filter and :filter-count from
 options will be handled as specified for
-`notmuch-hello-insert-searches'."
+`notmuch-hello-insert-searches'. :disable-includes can be used to
+turn off the default exclude processing in `notmuch-count(1)'"
   (with-temp-buffer
     (dolist (elem query-list nil)
       (let ((count-query (or (notmuch-saved-search-get elem :count-query)
@@ -570,7 +571,11 @@ options will be handled as specified for
 					    (plist-get options :filter))))
 	 "\n")))
     (unless (= (notmuch--call-process-region (point-min) (point-max) notmuch-command
-				    t t nil "count" "--batch") 0)
+					     t t nil "count"
+					     (if (plist-get options :disable-excludes)
+						 "--exclude=false"
+					       "--exclude=true")
+					     "--batch") 0)
       (notmuch-logged-error
        "notmuch count --batch failed"
        "Please check that the notmuch CLI is new enough to support `count
@@ -917,7 +922,8 @@ following:
    nil
    :initially-hidden (not notmuch-show-all-tags-list)
    :hide-tags notmuch-hello-hide-tags
-   :filter notmuch-hello-tag-list-make-query))
+   :filter notmuch-hello-tag-list-make-query
+   :disable-excludes t))
 
 (defun notmuch-hello-insert-footer ()
   "Insert the notmuch-hello footer."

test/T440-emacs-hello.sh

@@ -69,7 +69,6 @@ notmuch tag -$tag '*'
 test_expect_equal_file $EXPECTED/notmuch-hello-long-names OUTPUT
 
 test_begin_subtest "All tags show up"
-test_subtest_known_broken
 tag=exclude_me
 notmuch tag +$tag '*'
 notmuch config set search.exclude_tags $tag