[PATCH] buildman: Show board list with -x

[Simon Glass]

When -x is used, buildman does not show the list of boards that will be
built, since there are no terms which cause boards to be added, only
terms which cause them to be removed.

Add a special case to fix this.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

 tools/buildman/control.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/buildman/control.py b/tools/buildman/control.py
index 464835c5be5..d3d027f02ab 100644
--- a/tools/buildman/control.py
+++ b/tools/buildman/control.py
@@ -124,7 +124,8 @@ def show_actions(series, why_selected, boards_selected, output_dir,
             print(commit.subject)
     print()
     for arg in why_selected:
-        if arg != 'all':
+        # When -x is used, only the 'all' member exists
+        if arg != 'all' or len(why_selected) == 1:
             print(arg, f': {len(why_selected[arg])} boards')
             if verbose:
                 print(f"   {' '.join(why_selected[arg])}")
-- 
2.34.1