diff options
Diffstat (limited to 'package/base-files/files/sbin/sysupgrade')
| -rwxr-xr-x | package/base-files/files/sbin/sysupgrade | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/package/base-files/files/sbin/sysupgrade b/package/base-files/files/sbin/sysupgrade index cf79114cbb..fcf01b02d0 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 CONF_BACKUP= export HELP=0 # parse options @@ -21,6 +22,7 @@ while [ -n "$1" ]; do -q) export VERBOSE="$(($VERBOSE - 1))";; -n) export SAVE_CONFIG=0;; -c) export SAVE_OVERLAY=1;; + -b|--create-backup) export CONF_BACKUP="$2"; shift;; -f) export CONF_IMAGE="$2"; shift;; -h|--help) export HELP=1; break;; -*) @@ -38,7 +40,7 @@ export CONF_TAR=/tmp/sysupgrade.tgz export ARGV="$*" export ARGC="$#" -[ -z "$ARGV" -o $HELP -gt 0 ] && { +[ -z "$ARGV" -a -z "$CONF_BACKUP" -o $HELP -gt 0 ] && { cat <<EOF Usage: $0 [options] <image file or URL> @@ -47,6 +49,10 @@ Options: -f <config> restore configuration from .tar.gz (file or url) -i interactive mode -c attempt to preserve all changed files in /etc/ + -b / --create-backup <file> + create .tar.gz of files specified in sysupgrade.conf + then exit. Does not flash an image. If file is '-', + i.e. stdout, verbosity is set to 0 (i.e. quiet). -n do not save configuration over reflash -q less verbose -v more verbose @@ -56,6 +62,17 @@ EOF exit 1 } +[ -n "$ARGV" -a -n "$CONF_BACKUP" ] && { + cat <<-EOF + -b/--create-backup does not perform a firmware upgrade. Do not + specify both -b and a firmware image. + EOF + exit 1 +} + +# prevent messages from clobbering the tarball when using stdout +[ "$CONF_BACKUP" = "-" ] && export VERBOSE=0 + add_uci_conffiles() { local file="$1" ( find $(sed -ne '/^[[:space:]]*$/d; /^#/d; p' \ @@ -85,6 +102,8 @@ sysupgrade_image_check="platform_check_image" include /lib/upgrade do_save_conffiles() { + local conf_tar="${1:-$CONF_TAR}" + [ -z "$(rootfs_type)" ] && { echo "Cannot save config while running from ramdisk." ask_bool 0 "Abort" && exit @@ -95,9 +114,14 @@ do_save_conffiles() { v "Saving config files..." [ "$VERBOSE" -gt 1 ] && TAR_V="v" || TAR_V="" - tar c${TAR_V}zf "$CONF_TAR" -T "$CONFFILES" 2>/dev/null + tar c${TAR_V}zf "$conf_tar" -T "$CONFFILES" 2>/dev/null } +if [ -n "$CONF_BACKUP" ]; then + do_save_conffiles "$CONF_BACKUP" + exit $? +fi + type platform_check_image >/dev/null 2>/dev/null || { echo "Firmware upgrade is not implemented for this platform." exit 1 |