From 3e66d9345d677008d002e1cac7e868030368b714 Mon Sep 17 00:00:00 2001
From: "Dustin C. Hatch" <admiralnemo@gmail.com>
Date: Mon, 14 Oct 2013 21:04:17 -0500
Subject: [PATCH] create-vmachine: Prompt for and set a root password

---
 create-vmachine.sh | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/create-vmachine.sh b/create-vmachine.sh
index 844f4d4..be1c915 100755
--- a/create-vmachine.sh
+++ b/create-vmachine.sh
@@ -17,6 +17,17 @@ fi
 : ${MOUNTPOINT:=/mnt/new_vmachine}
 : ${PORTAGE_PROFILE:="default/linux/amd64/13.0"}
 
+while [[ -z ${VM_ROOTPW} ]]; do
+	read -sp 'New VM root password: ' VM_ROOTPW
+	echo
+	read -sp 'Confirm root password: ' confirm_rootpw
+	echo
+	if [[ ${VM_ROOTPW} != ${confirm_rootpw} ]]; then
+		echo "Passwords don't match" >&2
+		unset VM_ROOTPW
+	fi
+done
+
 set -e
 
 PORTDIR=$(portageq envvar PORTDIR)
@@ -116,8 +127,8 @@ ln -s /proc/mounts "${MOUNTPOINT}"/etc/mtab
 ln -s /run/resolv.conf "${MOUNTPOINT}"/etc/resolv.conf
 ln -s /run/ntp.conf "${MOUNTPOINT}"/etc/ntp.conf
 
-echo "Blanking root password..."
-sed -i 's/^root:.*/root::0:0:::::/' "${MOUNTPOINT}"/etc/shadow
+echo "Setting root password..."
+echo "root:${VM_ROOTPW}" | chroot "${MOUNTPOINT}" chpasswd
 
 echo "Enabling serial console..."
 sed -i 's/#s0/s0/' "${MOUNTPOINT}"/etc/inittab