From 8f922eb38a096640e586ba0eda96adc093b74fc4 Mon Sep 17 00:00:00 2001 From: Florian Festi Date: Wed, 3 Aug 2022 17:19:02 +0200 Subject: [PATCH] rpm2cpio.sh: only read needed bytes of file magic As we look at the first 4 bytes anyway there is no reason to read more. Reading more also hits a bug in bash on aarch64 (rhbz#2115206). --- scripts/rpm2cpio.sh | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scripts/rpm2cpio.sh b/scripts/rpm2cpio.sh index 74aeed8..cea0da2 100755 --- a/scripts/rpm2cpio.sh +++ b/scripts/rpm2cpio.sh @@ -43,7 +43,7 @@ calcsize() { offset=$(($offset + $rsize)) } -case "$(_dd 0 bs=8 count=1 | tr -d '\0')" in +case "$(_dd 0 bs=4 count=1 | tr -d '\0')" in "$(printf '\355\253\356\333')"*) ;; # '\xed\xab\xee\xdb' *) fatal "File doesn't look like rpm: $pkg" ;; esac -- 1.8.3.1