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| author | Vasilis Tsiligiannis <acinonyx@openwrt.gr> | 2009-06-10 22:22:48 +0000 |
|---|---|---|
| committer | Vasilis Tsiligiannis <acinonyx@openwrt.gr> | 2009-06-10 22:22:48 +0000 |
| commit | 57d7cc766694adc0a855ef9283119962233ca677 (patch) | |
| tree | 44439a7fd54633f4baa0f97275c8a80fd028f373 /package/base-files/files/lib/upgrade | |
| parent | 54d2454fcd0b0558d5c80d09cb1e7a0f675fbd02 (diff) | |
| download | upstream-57d7cc766694adc0a855ef9283119962233ca677.tar.gz upstream-57d7cc766694adc0a855ef9283119962233ca677.tar.bz2 upstream-57d7cc766694adc0a855ef9283119962233ca677.zip | |
base-files: Detect and decompressed gzipped images automatically when flashing with sysupgrade
SVN-Revision: 16407
Diffstat (limited to 'package/base-files/files/lib/upgrade')
| -rw-r--r-- | package/base-files/files/lib/upgrade/common.sh | 21 |
1 files changed, 14 insertions, 7 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() { |