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authorJo-Philipp Wich <jow@openwrt.org>2010-09-07 22:20:26 +0000
committerJo-Philipp Wich <jow@openwrt.org>2010-09-07 22:20:26 +0000
commit91118a9500eec1bededcdb8e2f0058368ca7f8b7 (patch)
tree95d08733214dd9d5960a28e0895d9980dfaf00d4 /package/base-files/files
parent1cd4b501642b5a5beecb2a80814fbe4705317893 (diff)
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base-files: add an experimental "-c" flag which tries to preserve *all* changed files in /overlay/etc minus some system files
SVN-Revision: 22977
Diffstat (limited to 'package/base-files/files')
-rwxr-xr-xpackage/base-files/files/sbin/sysupgrade21
1 files changed, 19 insertions, 2 deletions
diff --git a/package/base-files/files/sbin/sysupgrade b/package/base-files/files/sbin/sysupgrade
index 0cf51cf..0fb0753 100755
--- a/package/base-files/files/sbin/sysupgrade
+++ b/package/base-files/files/sbin/sysupgrade
@@ -7,8 +7,10 @@ RAMFS_COPY_DATA="" # extra data files
export INTERACTIVE=0
export VERBOSE=1
export SAVE_CONFIG=1
+export SAVE_OVERLAY=0
export DELAY=
export CONF_IMAGE=
+
# parse options
while [ -n "$1" ]; do
case "$1" in
@@ -17,6 +19,7 @@ while [ -n "$1" ]; do
-v) export VERBOSE="$(($VERBOSE + 1))";;
-q) export VERBOSE="$(($VERBOSE - 1))";;
-n) export SAVE_CONFIG=0;;
+ -c) export SAVE_OVERLAY=1;;
-f) export CONF_IMAGE="$2"; shift;;
-*)
echo "Invalid option: $1"
@@ -41,7 +44,8 @@ Options:
-d <delay> add a delay before rebooting
-f <config> restore configuration from .tar.gz (file or url)
-i interactive mode
- -n do not save configuration over reflash
+ -c attempt to preserve all changed files in /etc/
+ -n do not save configuration over reflash
-q less verbose
-v more verbose
@@ -56,9 +60,22 @@ add_uci_conffiles() {
return 0
}
+add_overlayfiles() {
+ local file="$1"
+ find /overlay/etc/ -type f | sed \
+ -e 's,^/overlay/,/,' \
+ -e '\,/META_[a-zA-Z0-9]*$,d' \
+ -e '\,/functions.sh$,d' \
+ -e '\,/[^/]*-opkg$,d' \
+ > "$file"
+ return 0
+}
+
# hooks
sysupgrade_image_check="platform_check_image"
-sysupgrade_init_conffiles="add_uci_conffiles"
+[ $SAVE_OVERLAY = 0 -o ! -d /overlay/etc ] && \
+ sysupgrade_init_conffiles="add_uci_conffiles" || \
+ sysupgrade_init_conffiles="add_overlayfiles"
include /lib/upgrade