diff options
author | Dave Cobbley <david.j.cobbley@linux.intel.com> | 2018-08-14 20:05:37 +0300 |
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committer | Brad Bishop <bradleyb@fuzziesquirrel.com> | 2018-08-23 04:26:31 +0300 |
commit | eb8dc40360f0cfef56fb6947cc817a547d6d9bc6 (patch) | |
tree | de291a73dc37168da6370e2cf16c347d1eba9df8 /poky/scripts/rpm2cpio.sh | |
parent | 9c3cf826d853102535ead04cebc2d6023eff3032 (diff) | |
download | openbmc-eb8dc40360f0cfef56fb6947cc817a547d6d9bc6.tar.xz |
[Subtree] Removing import-layers directory
As part of the move to subtrees, need to bring all the import layers
content to the top level.
Change-Id: I4a163d10898cbc6e11c27f776f60e1a470049d8f
Signed-off-by: Dave Cobbley <david.j.cobbley@linux.intel.com>
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
Diffstat (limited to 'poky/scripts/rpm2cpio.sh')
-rwxr-xr-x | poky/scripts/rpm2cpio.sh | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/poky/scripts/rpm2cpio.sh b/poky/scripts/rpm2cpio.sh new file mode 100755 index 000000000..cf23472ba --- /dev/null +++ b/poky/scripts/rpm2cpio.sh @@ -0,0 +1,55 @@ +#!/bin/sh -efu + +# This file comes from rpm 4.x distribution + +fatal() { + echo "$*" >&2 + exit 1 +} + +pkg="$1" +[ -n "$pkg" -a -e "$pkg" ] || + fatal "No package supplied" + +_dd() { + local o="$1"; shift + dd if="$pkg" skip="$o" iflag=skip_bytes status=none $* +} + +calcsize() { + offset=$(($1 + 8)) + + local i b b0 b1 b2 b3 b4 b5 b6 b7 + + i=0 + while [ $i -lt 8 ]; do + b="$(_dd $(($offset + $i)) bs=1 count=1)" + [ -z "$b" ] && + b="0" || + b="$(exec printf '%u\n' "'$b")" + eval "b$i=\$b" + i=$(($i + 1)) + done + + rsize=$((8 + ((($b0 << 24) + ($b1 << 16) + ($b2 << 8) + $b3) << 4) + ($b4 << 24) + ($b5 << 16) + ($b6 << 8) + $b7)) + offset=$(($offset + $rsize)) +} + +case "$(_dd 0 bs=8 count=1)" in + "$(printf '\355\253\356\333')"*) ;; # '\xed\xab\xee\xdb' + *) fatal "File doesn't look like rpm: $pkg" ;; +esac + +calcsize 96 +sigsize=$rsize + +calcsize $(($offset + (8 - ($sigsize % 8)) % 8)) +hdrsize=$rsize + +case "$(_dd $offset bs=3 count=1)" in + "$(printf '\102\132')"*) _dd $offset | bunzip2 ;; # '\x42\x5a' + "$(printf '\037\213')"*) _dd $offset | gunzip ;; # '\x1f\x8b' + "$(printf '\375\067')"*) _dd $offset | xzcat ;; # '\xfd\x37' + "$(printf '\135\000')"*) _dd $offset | unlzma ;; # '\x5d\x00' + *) fatal "Unrecognized rpm file: $pkg" ;; +esac |