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sysupgrade: clarify online help

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Fixes #12346.

Signed-off-by: Paul Fertser <fercerpav@gmail.com>

SVN-Revision: 34975
This commit is contained in:
Jo-Philipp Wich 2013-01-02 16:21:30 +00:00
parent 58070b0083
commit 70b0ef6322
1 changed files with 17 additions and 14 deletions
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31
package/base-files/files/sbin/sysupgrade
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@ -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>
$0 [-q] [-i] <backup-command> <file>
Options:
upgrade-option:
-d <delay> add a delay before rebooting
-f <config> restore configuration from .tar.gz (file or url)
-i interactive mode
-c attempt to preserve all changed files in /etc/
-b / --create-backup <file>
create .tar.gz of files specified in sysupgrade.conf
then exit. Does not flash an image. If file is '-',
i.e. stdout, verbosity is set to 0 (i.e. quiet).
-r / --restore-backup <file>
restore a .tar.gz created with sysupgrade -b
then exit. Does not flash an image. If file is '-',
the archive is read from stdin.
-n do not save configuration over reflash
-F / --force
-F | --force
Flash image even if image checks fail, this is dangerous!
-q less verbose
-v more verbose
-h / --help display this help
-h | --help display this help
backup-command:
-b | --create-backup <file>
create .tar.gz of files specified in sysupgrade.conf
then exit. Does not flash an image. If file is '-',
i.e. stdout, verbosity is set to 0 (i.e. quiet).
-r | --restore-backup <file>
restore a .tar.gz created with sysupgrade -b
then exit. Does not flash an image. If file is '-',
the archive is read from stdin.
EOF
exit 1
@ -75,8 +78,8 @@ EOF
[ -n "$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
}