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authorJo-Philipp Wich <jow@openwrt.org>2016-02-09 12:33:17 +0000
committerJo-Philipp Wich <jow@openwrt.org>2016-02-09 12:33:17 +0000
commit4aeeead303cda2a85895fde9d3983eae323a30e1 (patch)
tree30856f12366d0b265eb6a8b04825ad8449c52672 /package/base-files
parent6b73b7a8ec744f557200f1b7be0c3018244996d6 (diff)
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x86: preserve partition table on sysupgrade
With this patch sysupgrade will write directly to the partitions instead of to the main disk. The UUID is copied from the image to the MBR as well. This prevents the mbr from being completely overwritten and losing the partition table. The -p option has been added to maintain the original behavior and overwite the entire disk with the new image. Tests have been added to ensure that the image partitions match up with the active partitions. Signed-off-by: Rob Mosher <nyt-openwrt@countercultured.net> SVN-Revision: 48682
Diffstat (limited to 'package/base-files')
-rw-r--r--package/base-files/files/lib/upgrade/common.sh1
-rwxr-xr-xpackage/base-files/files/sbin/sysupgrade3
2 files changed, 4 insertions, 0 deletions
diff --git a/package/base-files/files/lib/upgrade/common.sh b/package/base-files/files/lib/upgrade/common.sh
index f894f31..0383d25 100644
--- a/package/base-files/files/lib/upgrade/common.sh
+++ b/package/base-files/files/lib/upgrade/common.sh
@@ -68,6 +68,7 @@ run_ramfs() { # <command> [...]
install_bin /usr/sbin/ubirsvol
install_bin /usr/sbin/ubirmvol
install_bin /usr/sbin/ubimkvol
+ install_bin /usr/sbin/partx
for file in $RAMFS_COPY_BIN; do
install_bin ${file//:/ }
done
diff --git a/package/base-files/files/sbin/sysupgrade b/package/base-files/files/sbin/sysupgrade
index 93f0749..2f441f8 100755
--- a/package/base-files/files/sbin/sysupgrade
+++ b/package/base-files/files/sbin/sysupgrade
@@ -10,6 +10,7 @@ export INTERACTIVE=0
export VERBOSE=1
export SAVE_CONFIG=1
export SAVE_OVERLAY=0
+export SAVE_PARTITIONS=1
export DELAY=
export CONF_IMAGE=
export CONF_BACKUP_LIST=0
@@ -29,6 +30,7 @@ while [ -n "$1" ]; do
-q) export VERBOSE="$(($VERBOSE - 1))";;
-n) export SAVE_CONFIG=0;;
-c) export SAVE_OVERLAY=1;;
+ -p) export SAVE_PARTITIONS=0;;
-b|--create-backup) export CONF_BACKUP="$2" NEED_IMAGE=1; shift;;
-r|--restore-backup) export CONF_RESTORE="$2" NEED_IMAGE=1; shift;;
-l|--list-backup) export CONF_BACKUP_LIST=1; break;;
@@ -62,6 +64,7 @@ upgrade-option:
-i interactive mode
-c attempt to preserve all changed files in /etc/
-n do not save configuration over reflash
+ -p do not attempt to restore the partition table after flash.
-T | --test
Verify image and config .tar.gz but do not actually flash.
-F | --force