diff options
| -rwxr-xr-x | package/base-files/files/sbin/sysupgrade | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/package/base-files/files/sbin/sysupgrade b/package/base-files/files/sbin/sysupgrade index 4b009ad878..67019307d1 100755 --- a/package/base-files/files/sbin/sysupgrade +++ b/package/base-files/files/sbin/sysupgrade @@ -47,27 +47,30 @@ export ARGC="$#" [ -z "$ARGV" -a -z "$NEED_IMAGE" -o $HELP -gt 0 ] && { cat <<EOF -Usage: $0 [options] <image file or URL> +Usage: $0 [<upgrade-option>...] <image file or URL> + $0 [-q] [-i] <backup-command> <file> -Options: +upgrade-option: -d <delay> add a delay before rebooting -f <config> restore configuration from .tar.gz (file or url) -i interactive mode -c attempt to preserve all changed files in /etc/ - -b / --create-backup <file> + -n do not save configuration over reflash + -F | --force + Flash image even if image checks fail, this is dangerous! + -q less verbose + -v more verbose + -h | --help display this help + +backup-command: + -b | --create-backup <file> create .tar.gz of files specified in sysupgrade.conf then exit. Does not flash an image. If file is '-', i.e. stdout, verbosity is set to 0 (i.e. quiet). - -r / --restore-backup <file> + -r | --restore-backup <file> restore a .tar.gz created with sysupgrade -b then exit. Does not flash an image. If file is '-', the archive is read from stdin. - -n do not save configuration over reflash - -F / --force - Flash image even if image checks fail, this is dangerous! - -q less verbose - -v more verbose - -h / --help display this help EOF exit 1 @@ -75,8 +78,8 @@ EOF [ -n "$ARGV" -a -n "$NEED_IMAGE" ] && { cat <<-EOF - -b/--create-backup and -r/--restore-backup do not perform a firmware upgrade. - Do not specify both -b/-r and a firmware image. + -b|--create-backup and -r|--restore-backup do not perform a firmware upgrade. + Do not specify both -b|-r and a firmware image. EOF exit 1 } |