diff options
Diffstat (limited to 'package/base-files/files/sbin')
| -rwxr-xr-x | package/base-files/files/sbin/sysupgrade | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/package/base-files/files/sbin/sysupgrade b/package/base-files/files/sbin/sysupgrade index 3d76bb3a0e..7efb2b4365 100755 --- a/package/base-files/files/sbin/sysupgrade +++ b/package/base-files/files/sbin/sysupgrade @@ -10,6 +10,7 @@ export SAVE_CONFIG=1 export SAVE_OVERLAY=0 export DELAY= export CONF_IMAGE= +export HELP=0 # parse options while [ -n "$1" ]; do @@ -21,6 +22,7 @@ while [ -n "$1" ]; do -n) export SAVE_CONFIG=0;; -c) export SAVE_OVERLAY=1;; -f) export CONF_IMAGE="$2"; shift;; + -h|--help) export HELP=1; break;; -*) echo "Invalid option: $1" exit 1 @@ -36,7 +38,7 @@ export CONF_TAR=/tmp/sysupgrade.tgz export ARGV="$*" export ARGC="$#" -[ -z "$ARGV" ] && { +[ -z "$ARGV" -o $HELP -gt 0 ] && { cat <<EOF Usage: $0 [options] <image file or URL> @@ -48,6 +50,7 @@ Options: -n do not save configuration over reflash -q less verbose -v more verbose + -h / --help display this help EOF exit 1 |