tools/notsd-fixup--includes: avoid touching a file for no changes

1 files changed, 5 insertions, 1 deletions

diff --git a/tools/notsd-fixup--includes b/tools/notsd-fixup--includes
index cd7638afd4..46deaa8e8e 100755
--- a/tools/notsd-fixup--includes
+++ b/tools/notsd-fixup--includes
@@ -228,7 +228,11 @@ main() {
                 done
                 "$hook"
         } < "$current_file" > "$current_file.tmp"
-        mv -Tf "$current_file.tmp" "$current_file"
+        if cmp -s "$current_file.tmp" "$current_file"; then
+                rm -f "$current_file.tmp" || :
+        else
+                mv -Tf "$current_file.tmp" "$current_file"
+        fi
 }
 
 main "$@"