diff options
| -rw-r--r-- | package/base-files/files/lib/upgrade/common.sh | 21 | ||||
| -rwxr-xr-x | package/base-files/files/sbin/sysupgrade | 5 |
2 files changed, 15 insertions, 11 deletions
diff --git a/package/base-files/files/lib/upgrade/common.sh b/package/base-files/files/lib/upgrade/common.sh index ef7ce57e7e..018cc72f47 100644 --- a/package/base-files/files/lib/upgrade/common.sh +++ b/package/base-files/files/lib/upgrade/common.sh @@ -103,16 +103,23 @@ rootfs_type() { mount | awk '($3 ~ /^\/$/) && ($5 !~ /rootfs/) { print $5 }' } -get_image() { +get_image() { # <source> [ <command> ] local from="$1" - local conc="cat" + local cmd="$2" + local conc - [ "$GZIPED" -eq 1 ] && conc="zcat" + if [ -z "$cmd" ]; then + case "$from" in + http://*|ftp://*) cmd="wget -O- -q";; + *) cmd="cat";; + esac + local magic="$(eval $cmd $from | dd bs=2 count=1 2>/dev/null | hexdump -n 2 -e '1/1 "%02x"')" + case "$magic" in + 1f8b) conc="| zcat";; + esac + fi - case "$from" in - http://*|ftp://*) wget -O- -q "$from" | "$conc";; - *) cat "$from" | "$conc";; - esac + eval "$cmd $from $conc" } get_magic_word() { diff --git a/package/base-files/files/sbin/sysupgrade b/package/base-files/files/sbin/sysupgrade index ecc5e9a708..f25195a520 100755 --- a/package/base-files/files/sbin/sysupgrade +++ b/package/base-files/files/sbin/sysupgrade @@ -9,7 +9,6 @@ export VERBOSE=1 export SAVE_CONFIG=1 export DELAY= export CONF_IMAGE= -export GZIPED=0 # parse options while [ -n "$1" ]; do case "$1" in @@ -19,7 +18,6 @@ while [ -n "$1" ]; do -q) export VERBOSE="$(($VERBOSE - 1))";; -n) export SAVE_CONFIG=0;; -f) export CONF_IMAGE="$2"; shift;; - -g) export GZIPED=1;; -*) echo "Invalid option: $1" exit 1 @@ -42,7 +40,6 @@ Usage: $0 [options] <image file or URL> Options: -d <delay> add a delay before rebooting -f <config> restore configuration from .tar.gz (file or url) - -g gziped image -i interactive mode -n do not save configuration over reflash -q less verbose @@ -99,7 +96,7 @@ if [ -n "$CONF_IMAGE" ]; then exit 1 ;; esac - get_image "$CONF_IMAGE" > "$CONF_TAR" + get_image "$CONF_IMAGE" "cat" > "$CONF_TAR" export SAVE_CONFIG=1 elif ask_bool $SAVE_CONFIG "Keep config files over reflash"; then do_save_conffiles |