Print an error when trying to sync a copy with itself.

Fixes https://labs.parabola.nu/issues/920

1 files changed, 11 insertions, 0 deletions

diff --git a/test/librechroot-test.sh b/test/librechroot-test.sh
index 9960fdb..667246c 100644
--- a/test/librechroot-test.sh
+++ b/test/librechroot-test.sh
@@ -116,3 +116,14 @@ it_fails_for_unknown_flags() {
 	empty $tmpdir/stdout
 	not empty $tmpdir/stderr
 }
+
+it_fails_when_syncing_a_copy_with_itself() {
+	require sudo || return 0
+	testsudo timeout 5 librechroot -l root sync  || stat=$?
+	case $stat in
+		0|124|137) # success|timeout+TERM|timeout+KILL
+			false;;
+		*)
+			true;;
+	esac
+}