[package] base-files: implement a --force option for sysupgrade to override image...

[openwrt.git] / package / base-files / files / sbin / sysupgrade

diff --git a/package/base-files/files/sbin/sysupgrade b/package/base-files/files/sbin/sysupgrade
index fcf01b0..be11c5b 100755 (executable)
--- a/package/base-files/files/sbin/sysupgrade
+++ b/package/base-files/files/sbin/sysupgrade
@@ -12,6 +12,7 @@ export DELAY=
 export CONF_IMAGE=
 export CONF_BACKUP=
 export HELP=0
+export FORCE=0
 
 # parse options
 while [ -n "$1" ]; do 
@@ -24,6 +25,7 @@ while [ -n "$1" ]; do
                -c) export SAVE_OVERLAY=1;;
                -b|--create-backup) export CONF_BACKUP="$2"; shift;;
                -f) export CONF_IMAGE="$2"; shift;;
+               -F|--force) export FORCE=1; shift;;
                -h|--help) export HELP=1; break;;
                -*)
                        echo "Invalid option: $1"
@@ -54,6 +56,8 @@ Options:
                     then exit. Does not flash an image. If file is '-',
                     i.e. stdout, verbosity is set to 0 (i.e. quiet).
        -n           do not save configuration over reflash
+       -F / --force
+                    Flash image even if image checks fail, this is dangerous!
        -q           less verbose
        -v           more verbose
        -h / --help  display this help
@@ -129,8 +133,13 @@ type platform_check_image >/dev/null 2>/dev/null || {
 
 for check in $sysupgrade_image_check; do
        ( eval "$check \"\$ARGV\"" ) || {
-               echo "Image check '$check' failed."
-               exit 1
+               if [ $FORCE -eq 1 ]; then
+                       echo "Image check '$check' failed but --force given - will update anyway!"
+                       break
+               else
+                       echo "Image check '$check' failed."
+                       exit 1
+               fi
        }
 done