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-rwxr-xr-xpackage/base-files/files/sbin/sysupgrade27
1 files changed, 15 insertions, 12 deletions
diff --git a/package/base-files/files/sbin/sysupgrade b/package/base-files/files/sbin/sysupgrade
index 4b009ad87..67019307d 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
}