From 838a7171ba0f8ef7845af9c37650acc5e6ffc5d7 Mon Sep 17 00:00:00 2001
From: Nico Schottelius <nico@nico-notebook.schottelius.org>
Date: Sat, 29 May 2021 20:22:25 +0200
Subject: [PATCH] Umount, not mount a 2nd time ...

---
 alpine-install-on-disk.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/alpine-install-on-disk.sh b/alpine-install-on-disk.sh
index 4869b5e..7068401 100755
--- a/alpine-install-on-disk.sh
+++ b/alpine-install-on-disk.sh
@@ -25,7 +25,7 @@ rootfs_tmpdir=$(mktemp -d)
 rootfs_url="http://dl-cdn.alpinelinux.org/alpine/v$MAJOR_VERSION/releases/x86_64/$IMAGE"
 
 run_root () {
-    sudo chroot $rootfs_tmpdir
+    sudo chroot $rootfs_tmpdir /usr/bin/env \
         PATH=/sbin:/bin:/usr/sbin:/usr/bin \
         /bin/sh -c "$*"
 }
@@ -95,7 +95,7 @@ run_root grub-install --target=i386-pc ${DISK}
 # Cleanup
 run_root rm -f /etc/resolv.conf
 for dir in dev proc sys; do
-    sudo mount --bind /${dir} ${rootfs_tmpdir}/${dir}
+    sudo umount ${rootfs_tmpdir}/${dir}
 done
 sudo umount  $rootfs_tmpdir