cpio: continue past TRAILER!!! (like kernel does) but error on empty archive.

1 files changed, 3 insertions, 0 deletions

diff --git a/tests/cpio.test b/tests/cpio.test
index 7e2955a1..3955800f 100755
--- a/tests/cpio.test
+++ b/tests/cpio.test
@@ -59,3 +59,6 @@ testing "-id keeps existing files" "echo new >a/b && cpio -id <a.cpio 2>/dev/nul
 testing "-iu replaces existing files; no error" "echo new >a/b && cpio -iu <a.cpio && cat a/b" "old\n" "" ""
 testing "-idu replaces existing files; no error" "echo new >a/b && cpio -idu <a.cpio && cat a/b" "old\n" "" ""
 rm -rf a a.cpio
+
+testing "error on empty file" \
+  "setsid cpio -i < /dev/null 2>/dev/null || echo err" "err\n" "" ""