frodovdr/raspberrymatic-addon-rmupdate
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Set correct mbr signature

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Jan Schneider 2019-01-28 00:01:49 +01:00
parent eca7589cb5
commit e7dd677b5b
1 changed files with 7 additions and 0 deletions
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7
addon/lib/rmupdate.tcl
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@ -1368,6 +1368,13 @@ proc ::rmupdate::install_firmware {{download_url ""} {version ""} {lang ""} {reb
exec /bin/mount -o remount,ro "/boot"
}
set ptuuid ""
catch { set ptuuid [exec blkid -s PTUUID -o value $sys_dev] }
if { $ptuuid != "deedbeef" } {
write_log 3 "Update mbr signature"
catch { exec /bin/echo -en "\\xef\\xbe\\xed\\xde" | /bin/dd of=$sys_dev conv=notrunc seek=440 bs=1 }
}
#exec /bin/mount -o remount,rw "/boot"
#set fd [open "/boot/recoveryfs-sshpwd" "w"]
#puts -nonewline $fd "rmupdate"