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author | Patrick Williams <patrick@stwcx.xyz> | 2015-09-15 22:41:29 +0300 |
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committer | Patrick Williams <patrick@stwcx.xyz> | 2015-09-15 22:41:29 +0300 |
commit | 21f9b84b4b729fbd7acbd465e7a3f726e4d20f91 (patch) | |
tree | eb2d091d427ca0813b445509d59cc8e27e8ad25f /yocto-poky/meta/recipes-devtools/rpm/rpm/rpm2cpio | |
parent | 101cef31e2bf54c678501155cd2106251acbd076 (diff) | |
parent | c124f4f2e04dca16a428a76c89677328bc7bf908 (diff) | |
download | openbmc-21f9b84b4b729fbd7acbd465e7a3f726e4d20f91.tar.xz |
Merge commit 'c124f4f2e04dca16a428a76c89677328bc7bf908' as 'yocto-poky'
Diffstat (limited to 'yocto-poky/meta/recipes-devtools/rpm/rpm/rpm2cpio')
-rwxr-xr-x | yocto-poky/meta/recipes-devtools/rpm/rpm/rpm2cpio | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/yocto-poky/meta/recipes-devtools/rpm/rpm/rpm2cpio b/yocto-poky/meta/recipes-devtools/rpm/rpm/rpm2cpio new file mode 100755 index 000000000..6bcef6a4c --- /dev/null +++ b/yocto-poky/meta/recipes-devtools/rpm/rpm/rpm2cpio @@ -0,0 +1,39 @@ +#!/bin/sh + +# Prevent gawk >= 4.0.x from getting funny ideas wrt UTF in printf() +LANG=C + +pkg=$1 +if [ "$pkg" = "" -o ! -e "$pkg" ]; then + echo "no package supplied" 1>&2 + exit 1 +fi + +leadsize=96 +o=`expr $leadsize + 8` +set `od -j $o -N 8 -t u1 $pkg` +il=`expr 256 \* \( 256 \* \( 256 \* $2 + $3 \) + $4 \) + $5` +dl=`expr 256 \* \( 256 \* \( 256 \* $6 + $7 \) + $8 \) + $9` +# echo "sig il: $il dl: $dl" + +sigsize=`expr 8 + 16 \* $il + $dl` +o=`expr $o + $sigsize + \( 8 - \( $sigsize \% 8 \) \) \% 8 + 8` +set `od -j $o -N 8 -t u1 $pkg` +il=`expr 256 \* \( 256 \* \( 256 \* $2 + $3 \) + $4 \) + $5` +dl=`expr 256 \* \( 256 \* \( 256 \* $6 + $7 \) + $8 \) + $9` +# echo "hdr il: $il dl: $dl" + +hdrsize=`expr 8 + 16 \* $il + $dl` +o=`expr $o + $hdrsize` +comp=`dd if=$pkg ibs=$o skip=1 count=1 2>/dev/null | dd bs=3 count=1 2> /dev/null` + +gz="`echo . | awk '{ printf("%c%c", 0x1f, 0x8b); }'`" +lzma="`echo . | awk '{ printf("%cLZ", 0xff); }'`" +xz="`echo . | awk '{ printf("%c7z", 0xfd); }'`" +case "$comp" in + BZh) dd if="$pkg" ibs=$o skip=1 2>/dev/null | bunzip2 ;; + "$gz"*) dd if="$pkg" ibs=$o skip=1 2>/dev/null | gunzip ;; + "$xz"*) dd if="$pkg" ibs=$o skip=1 2>/dev/null | xzcat ;; + "$lzma"*) dd if="$pkg" ibs=$o skip=1 2>/dev/null | unlzma ;; + *) echo "Unrecognized rpm file: $pkg"; exit 1 ;; +esac |