From b8aa3c0b842a630c3ea0222a36471275351314a2 Mon Sep 17 00:00:00 2001
From: Chris Koeritz <fred@gruntose.com>
Date: Fri, 10 Nov 2017 14:39:26 -0500
Subject: [PATCH] now complains about attempts to do nothing

---
 scripts/rev_control/version_control.sh | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/scripts/rev_control/version_control.sh b/scripts/rev_control/version_control.sh
index 4ea5ab53..2e221491 100644
--- a/scripts/rev_control/version_control.sh
+++ b/scripts/rev_control/version_control.sh
@@ -421,8 +421,16 @@ function perform_revctrl_action_on_file()
 
   save_terminal_title
 
+  local first_run=true
+
   while read -u 3 dirname; do
-    if [ -z "$dirname" ]; then continue; fi
+    if [ -z "$dirname" ]; then
+      if [ ! -z "$first_run" ]; then
+        echo "There was nothing to do the action '$action' on."
+      fi
+      break
+    fi
+    unset first_run
     pushd "$dirname" &>/dev/null
     echo "[$(pwd)]"
     $action .
-- 
2.34.1