shutdown: use umount --recursive

Signed-off-by: Dave Reisner <dreisner@archlinux.org>

2 files changed, 2 insertions, 16 deletions

diff --git a/PKGBUILD b/PKGBUILD
index 5311210..440e691 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -8,7 +8,7 @@ license=('GPL')
 groups=('base')
 conflicts=('mkinitcpio')
 provides=("mkinitcpio=$pkgver")
-depends=('mkinitcpio-busybox>=1.19.4-2' 'kmod' 'util-linux>=2.21' 'libarchive' 'coreutils'
+depends=('mkinitcpio-busybox>=1.19.4-2' 'kmod' 'util-linux>=2.23' 'libarchive' 'coreutils'
          'awk' 'bash' 'findutils' 'grep' 'filesystem>=2011.10-1' 'systemd' 'gzip')
 makedepends=('asciidoc' 'git' 'sed')
 optdepends=('xz: Use lzma or xz compression for the initramfs image'
diff --git a/shutdown b/shutdown
index a14e479..1f5fdc1 100644
--- a/shutdown
+++ b/shutdown
@@ -79,21 +79,7 @@ cd /sys/class/block
 
 printf '%s\n' "Unmounting all devices."
 
-# unmount everything in /oldroot
-findmnt -Rruno TARGET /oldroot | awk '
-BEGIN { i = 0 }
-{
-    i++
-    mounts[i] = $0
-}
-END {
-    for (j = i; j > 0; j--) {
-        print mounts[j]
-    }
-}
-' | while read -r mount; do
-    umount "$mount"
-done
+umount --recursive /oldroot
 
 printf '%s\n' 'Detaching loop devices.'