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-rw-r--r--tests/error-if-stdout-is-tty12
1 files changed, 12 insertions, 0 deletions
diff --git a/tests/error-if-stdout-is-tty b/tests/error-if-stdout-is-tty
new file mode 100644
index 0000000..b4f6923
--- /dev/null
+++ b/tests/error-if-stdout-is-tty
@@ -0,0 +1,12 @@
+#!/bin/sh
+
+set -eu
+
+export LC_ALL=C.UTF-8
+
+ret=0
+script -qfec "{{ CMD }} --mode={{ MODE }} --variant=apt {{ DIST }} - {{ MIRROR }}" /dev/null || ret=$?
+if [ "$ret" = 0 ]; then
+ echo expected failure but got exit $ret >&2
+ exit 1
+fi