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#!/bin/bash
set -e
IGNORE_INTERNAL=0
if [[ $1 = "--ignore-internal" ]]; then
IGNORE_INTERNAL=1
shift
fi
if [[ -z $1 ]]; then
echo "$(basename "$0") [options] <package file|extracted package dir>"
echo "Options:"
echo " --ignore-internal ignore internal libraries"
exit 1
fi
cleanup() {
if [[ $tmpdir ]]; then
rm -rf $tmpdir;
fi
}
if [[ -d $1 ]]; then
cd $1
else
tmpdir=$(mktemp -d /tmp/find-sodeps.XXXXXXX)
trap "cleanup" EXIT INT TERM
bsdtar -C $tmpdir -xf "$1"
cd $tmpdir
fi
in_array() {
local needle=$1; shift
[[ -z $1 ]] && return 1 # Not Found
local item
for item in "$@"; do
[[ $item = $needle ]] && return 0 # Found
done
return 1 # Not Found
}
find . -type f -perm -u+x | while read filename; do
# get architecture of the file; if soarch is empty it's not an ELF binary
soarch=$(LC_ALL=C readelf -h "$filename" 2>/dev/null | sed -n 's/.*Class.*ELF\(32\|64\)/\1/p')
[ -n "$soarch" ] || continue
# process all libraries needed by the binary
for sofile in $(LC_ALL=C readelf -d "$filename" 2>/dev/null | sed -nr 's/.*Shared library: \[(.*)\].*/\1/p')
do
# extract the library name: libfoo.so
soname="${sofile%%\.so\.*}.so"
# extract the major version: 1
soversion="${sofile##*\.so\.}"
if [[ "$soversion" = "$sofile" ]] && (($IGNORE_INTERNAL)); then
continue
fi
if ! in_array "${soname}=${soversion}-${soarch}" ${sodepends[@]}; then
# libfoo.so=1-64
echo "${soname}=${soversion}-${soarch}"
sodepends=(${sodepends[@]} "${soname}=${soversion}-${soarch}")
fi
done
done
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