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[sysupgrade] Don't try to pivot to new ramfs if already running on one

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This patch allows the sysupgrade script to continue with the upgrade if
openwrt is already running on a ramfs. This allows the use of the sysupgrade
script as an _installer_ when running from an iso image. A user could boot the 
system from a bootable cd and invoke sysupgrade -n <URL> to write an image to
the hard disk or CF.

Signed-off-by: Vasilis Tsiligiannis <b_tsiligiannis@silverton.gr>


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@15683 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
jow 2009-05-07 13:51:45 +00:00
parent 9e6dab0a93
commit 2eba59293a
1 changed files with 6 additions and 2 deletions
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8
package/base-files/files/sbin/sysupgrade
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@ -109,5 +109,9 @@ else
fi
run_hooks "" $sysupgrade_pre_upgrade
v "Switching to ramdisk..."
run_ramfs '. /etc/functions.sh; include /lib/upgrade; do_upgrade'
if [ -n "$(rootfs_type)" ]; then
v "Switching to ramdisk..."
run_ramfs '. /etc/functions.sh; include /lib/upgrade; do_upgrade'
else
do_upgrade
fi