pass-through stdin fd instead of content if not a terminal

[apt.git] / test / integration / test-disappearing-packages

diff --git a/test/integration/test-disappearing-packages b/test/integration/test-disappearing-packages
index 09dbf7014e69c45467f0ccd45235d569f1d74dcd..3b1e1bd7cd9b5bb9cd0143a6d0deaf9357e61cea 100755 (executable)
--- a/test/integration/test-disappearing-packages
+++ b/test/integration/test-disappearing-packages
@@ -40,7 +40,7 @@ echo "The following package disappeared from your system as
 all files have been overwritten by other packages:
   old-pkg
 Note: This is done automatically and on purpose by dpkg." > $COMPAREFILE
-$CMD 2>&1 | tail -n 4 | diff $COMPAREFILE - && msgpass || msgfail
+$CMD 2>&1 | tail -n 4 | diff -u $COMPAREFILE - && msgpass || msgfail
 rm $COMPAREFILE
 
 sed -i rootdir/var/log/apt/history.log -e '/^Commandline: / d' -e '/^Start-Date: / d' -e '/^End-Date: / d' -e "s#:$(getarchitecture 'native') #:native #"