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author | Matthias Schiffer <mschiffer@universe-factory.net> | 2017-05-03 08:57:29 +0200 |
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committer | Matthias Schiffer <mschiffer@universe-factory.net> | 2017-05-29 23:50:34 +0200 |
commit | 19b84cfff26e4feae8ce4bbbb76567474d975d59 (patch) | |
tree | 2147b75bbb7176ef8768ec4dccc6e4bf45a7a7fb /target/linux/x86/base-files/lib | |
parent | 9ab81e63cd398ae740bfadb9b318e6e0ec3712cc (diff) | |
download | upstream-19b84cfff26e4feae8ce4bbbb76567474d975d59.tar.gz upstream-19b84cfff26e4feae8ce4bbbb76567474d975d59.tar.bz2 upstream-19b84cfff26e4feae8ce4bbbb76567474d975d59.zip |
x86: sysupgrade: move partition table change check to platform_check_image
The staged sysupgrade will prevent us from using ask_bool in
platform_do_upgrade; therefore, the check is moved to platform_check_image.
Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
Diffstat (limited to 'target/linux/x86/base-files/lib')
-rw-r--r-- | target/linux/x86/base-files/lib/upgrade/platform.sh | 29 |
1 files changed, 25 insertions, 4 deletions
diff --git a/target/linux/x86/base-files/lib/upgrade/platform.sh b/target/linux/x86/base-files/lib/upgrade/platform.sh index d3e9f360aa..81b349a818 100644 --- a/target/linux/x86/base-files/lib/upgrade/platform.sh +++ b/target/linux/x86/base-files/lib/upgrade/platform.sh @@ -1,13 +1,37 @@ platform_check_image() { + local diskdev partdev diff [ "$#" -gt 1 ] && return 1 case "$(get_magic_word "$1")" in - eb48|eb63) return 0;; + eb48|eb63) ;; *) echo "Invalid image type" return 1 ;; esac + + export_bootdevice && export_partdevice diskdev 0 || { + echo "Unable to determine upgrade device" + return 1 + } + + get_partitions "/dev/$diskdev" bootdisk + + #extract the boot sector from the image + get_image "$@" | dd of=/tmp/image.bs count=1 bs=512b 2>/dev/null + + get_partitions /tmp/image.bs image + + #compare tables + diff="$(grep -F -x -v -f /tmp/partmap.bootdisk /tmp/partmap.image)" + + rm -f /tmp/image.bs /tmp/partmap.bootdisk /tmp/partmap.image + + if [ -n "$diff" ]; then + echo "Partition layout has changed. Full image will be written." + ask_bool 0 "Abort" && exit 1 + return 0 + fi } platform_copy_config() { @@ -36,9 +60,6 @@ platform_do_upgrade() { #compare tables diff="$(grep -F -x -v -f /tmp/partmap.bootdisk /tmp/partmap.image)" if [ -n "$diff" ]; then - echo "Partition layout is changed. Full image will be written." - ask_bool 0 "Abort" && exit - get_image "$@" | dd of="/dev/$diskdev" bs=4096 conv=fsync return 0 fi |