Use pipefail option

1 files changed, 2 insertions, 1 deletions

diff --git a/protostar b/protostar
index cfcd61c..0e0b0ce 100755
--- a/protostar
+++ b/protostar
@@ -2,6 +2,7 @@
 
 set -e
 set -u
+set -o pipefail
 
 dpkg -l ufsutils genisoimage debootstrap
 
@@ -312,7 +313,7 @@ size=$(du -s -m "${BOOTARCH}" | cut -f1)
 dd if=/dev/zero of="${ROOT}/boot/boot_archive" bs=1M count="$size"
 lofidev=$(lofiadm -a "${ROOT}/boot/boot_archive")
 rlofidev="${lofidev/lofi/rlofi}"
-yes | newfs -m 0 "${rlofidev}"
+echo -n y | newfs -m 0 "${rlofidev}"
 mkdir -p "${ROOT}/boot/boot_archive.mount"
 mount "${lofidev}" "${ROOT}/boot/boot_archive.mount"
 mv "${BOOTARCH}"/* "${ROOT}/boot/boot_archive.mount"/