3 # Prevent gawk >= 4.0.x from getting funny ideas wrt UTF in printf()
7 if [ "$pkg" = "" -o ! -e "$pkg" ]; then
8 echo "no package supplied" 1>&2
13 o=`expr $leadsize + 8`
14 set `od -j $o -N 8 -t u1 $pkg`
15 il=`expr 256 \* \( 256 \* \( 256 \* $2 + $3 \) + $4 \) + $5`
16 dl=`expr 256 \* \( 256 \* \( 256 \* $6 + $7 \) + $8 \) + $9`
17 # echo "sig il: $il dl: $dl"
19 sigsize=`expr 8 + 16 \* $il + $dl`
20 o=`expr $o + $sigsize + \( 8 - \( $sigsize \% 8 \) \) \% 8 + 8`
21 set `od -j $o -N 8 -t u1 $pkg`
22 il=`expr 256 \* \( 256 \* \( 256 \* $2 + $3 \) + $4 \) + $5`
23 dl=`expr 256 \* \( 256 \* \( 256 \* $6 + $7 \) + $8 \) + $9`
24 # echo "hdr il: $il dl: $dl"
26 hdrsize=`expr 8 + 16 \* $il + $dl`
27 o=`expr $o + $hdrsize`
29 comp=`dd if="$pkg" ibs=$o skip=1 count=1 2>/dev/null \
30 | dd bs=3 count=1 2>/dev/null`
32 gz="`echo . | awk '{ printf("%c%c", 0x1f, 0x8b); }'`"
33 lzma="`echo . | awk '{ printf("%cLZ", 0xff); }'`"
34 xz="`echo . | awk '{ printf("%c7z", 0xfd); }'`"
36 BZh) dd if="$pkg" ibs=$o skip=1 2>/dev/null | bunzip2 ;;
37 "$gz"*) dd if="$pkg" ibs=$o skip=1 2>/dev/null | gunzip ;;
38 "$xz"*) dd if="$pkg" ibs=$o skip=1 2>/dev/null | xzcat ;;
39 "$lzma"*) dd if="$pkg" ibs=$o skip=1 2>/dev/null | unlzma ;;
40 *) echo "Unrecognized rpm file: $pkg"; exit 1 ;;