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During an upgrade, if /boot/kernel.prev exists then the backup of

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/boot/kernel can fail.  Try to remove /boot/kernel.prev and cope the
best we can if that fails.

PR:		bin/106376
Submitted by:	Nobuyuki Koganemaru
Approved by:	ru
MFC after:	2 weeks
This commit is contained in:
Ceri Davies 2007-01-01 17:25:51 +00:00
parent 191c6e1310
commit e2ad49199c
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=165720
1 changed files with 18 additions and 0 deletions
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18
usr.sbin/sysinstall/installUpgrade.c
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@ -300,6 +300,15 @@ installUpgrade(dialogMenuItem *self)
(void)vsystem("chflags -R noschg /bin /sbin /lib /libexec /usr/bin /usr/sbin /usr/lib /usr/libexec /var/empty /boot/kernel*");
if (directory_exists("/boot/kernel")) {
if (directory_exists("/boot/kernel.prev")) {
msgNotify("Removing /boot/kernel.prev");
if (system("rm -fr /boot/kernel.prev")) {
msgConfirm("NOTICE: I'm trying to back up /boot/kernel to\n"
"/boot/kernel.prev, but /boot/kernel.prev exists and I\n"
"can't remove it. This means that the backup will, in\n"
"all probability, fail.");
}
}
msgNotify("Moving old kernel to /boot/kernel.prev");
if (system("mv /boot/kernel /boot/kernel.prev")) {
if (!msgYesNo("Hmmm! I couldn't move the old kernel over! Do you want to\n"
@ -472,6 +481,15 @@ installUpgradeNonInteractive(dialogMenuItem *self)
* crash and reboot.
*/
if (directory_exists("/boot/kernel")) {
if (directory_exists("/boot/kernel.prev")) {
msgNotify("Removing /boot/kernel.prev");
if (system("rm -fr /boot/kernel.prev")) {
msgConfirm("NOTICE: I'm trying to back up /boot/kernel to\n"
"/boot/kernel.prev, but /boot/kernel.prev exists and I\n"
"can't remove it. This means that the backup will, in\n"
"all probability, fail.");
}
}
msgNotify("Copying old kernel to /boot/kernel.prev");
vsystem("cp -Rp /boot/kernel /boot/kernel.prev");
}