And support specifying the persistent store by label or uuid

If you specify persistenthome=LABEL=foo you will get the device labeled
as "foo" mounted as /home rather than LiveOS/home.img.  Similarly for UUID
This commit is contained in:
Jeremy Katz 2008-06-06 11:00:03 +02:00 committed by Jeroen van Meeuwen (Fedora Unity)
parent 84a6d143ac
commit 0c722ff3c4

View File

@ -118,14 +118,64 @@ fi
# enable swaps unless requested otherwise
swaps=\`blkid -t TYPE=swap -o device\`
if ! strstr "\`cat /proc/cmdline\`" noswap -a [ -n "\$swaps" ] ; then
if ! strstr "\`cat /proc/cmdline\`" noswap && [ -n "\$swaps" ] ; then
for s in \$swaps ; do
action "Enabling swap partition \$s" swapon \$s
done
fi
mountPersistentHome() {
# support label/uuid
if [ "\${homedev##LABEL=}" != "\${homedev}" -o "\${homedev##UUID=}" != "\${homedev}" ]; then
homedev=\`/sbin/blkid -o device -t "\$homedev"\`
fi
# if we're given a file rather than a blockdev, loopback it
if [ ! -b "\$homedev" ]; then
loopdev=\`losetup -f\`
if [ "\${homedev##/mnt/live}" != "\${homedev}" ]; then
action "Remounting live store r/w" mount -o remount,rw /mnt/live
fi
losetup \$loopdev \$homedev
homedev=\$loopdev
fi
# if it's encrypted, we need to unlock it
if [ "\$(/lib/udev/vol_id -t \$homedev)" = "crypto_LUKS" ]; then
echo
echo "Setting up encrypted /home device"
cryptsetup luksOpen \$homedev EncHome <&1
homedev=/dev/mapper/EncHome
fi
# and finally do the mount
mount \$homedev /home
[ -x /sbin/restorecon ] && /sbin/restorecon /home
if [ -d /home/fedora ]; then USERADDARGS="-M" ; fi
}
findPersistentHome() {
for arg in \`cat /proc/cmdline\` ; do
if [ "\${arg##persistenthome=}" != "\${arg}" ]; then
homedev=\${arg##persistenthome=}
return
fi
done
}
if strstr "\`cat /proc/cmdline\`" persistenthome= ; then
findPersistentHome
elif [ -e /mnt/live/LiveOS/home.img ]; then
homedev=/mnt/live/LiveOS/home.img
fi
# if we have a persistent /home, then we want to go ahead and mount it
if ! strstr "\`cat /proc/cmdline\`" nopersistenthome && [ -n "\$homedev" ] ; then
action "Mounting persistent /home" mountPersistentHome
fi
# add fedora user with no passwd
useradd -c "Fedora Live" fedora
action "Adding fedora user" useradd \$USERADDARGS -c "Fedora Live" fedora
passwd -d fedora > /dev/null
# turn off firstboot for livecd boots
@ -166,6 +216,20 @@ touch /media/.hal-mtab
# workaround clock syncing on shutdown that we don't want (#297421)
sed -i -e 's/hwclock/no-such-hwclock/g' /etc/rc.d/init.d/halt
# and hack so that we eject the cd on shutdown if we're using a CD...
if strstr "\`cat /proc/cmdline\`" CDLABEL= ; then
cat >> /sbin/halt.local << FOE
#!/bin/bash
# we want to eject the cd on halt, but let's also try to avoid
# io errors due to not being able to get files...
cat /sbin/halt > /dev/null
cat /sbin/reboot > /dev/null
/usr/sbin/eject -p -m \$(readlink -f /dev/live) >/dev/null 2>&1
FOE
chmod +x /sbin/halt.local
fi
EOF
# bah, hal starts way too late