main/pax-utils: port lddtree to busybox shell and make as subpackage

2 files changed, 238 insertions, 8 deletions

diff --git a/main/pax-utils/APKBUILD b/main/pax-utils/APKBUILD
index 663e20816..ac101aaff 100644
--- a/main/pax-utils/APKBUILD
+++ b/main/pax-utils/APKBUILD
@@ -1,23 +1,33 @@
 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=pax-utils
 pkgver=0.7
-pkgrel=2
+pkgrel=3
 pkgdesc="ELF related utils for ELF 32/64 binaries"
 url="http://hardened.gentoo.org/pax-utils.xml"
 arch="all"
 license='GPL-2'
 depends="scanelf"
 makedepends=
-source="http://dev.gentoo.org/~vapier/dist/pax-utils-$pkgver.tar.xz"
-subpackages="$pkgname-doc scanelf:_scanelf"
+source="http://dev.gentoo.org/~vapier/dist/pax-utils-$pkgver.tar.xz
+	lddtree-sh.patch"
+subpackages="$pkgname-doc scanelf:_scanelf lddtree:_lddtree"
 
+_builddir="$srcdir"/pax-utils-$pkgver
+prepare() {
+	cd "$_builddir"
+	for i in $source; do
+		case $i in
+		*.patch) msg $i; patch -p1 -i "$srcdir"/$i || return 1;;
+		esac
+	done
+}
 build() {
-	cd "$srcdir/$pkgname-$pkgver"
+	cd "$_builddir"
 	make || return 1
 }
 
 package() {
-	cd "$srcdir/$pkgname-$pkgver"
+	cd "$_builddir"
 	make DESTDIR="$pkgdir/" install
 }
 
@@ -29,6 +39,17 @@ _scanelf() {
 	mv "$pkgdir"/usr/bin/scanelf "$subpkgdir"/usr/bin/
 }
 
-md5sums="8ae7743ad11500f7604f2e817221d877  pax-utils-0.7.tar.xz"
-sha256sums="1ac4cee9a9ca97a723505eb29a25e50adeccffba3f0f0ef4f035cf082caf3b84  pax-utils-0.7.tar.xz"
-sha512sums="d99f325b1d3ffc4955bc09aedcbeabea2d87a9647da31db1518de9daa55fbe0e5dd09feedd8dbcd8c4b53825a788ae7c9b904a927abc9ae995385dfd00d44f4a  pax-utils-0.7.tar.xz"
+_lddtree() {
+	pkgdesc="List dynamic dependencies as a tree"
+	depends="scanelf"
+	replaces="pax-utils"
+	mkdir -p "$subpkgdir"/usr/bin
+	mv "$pkgdir"/usr/bin/lddtree "$subpkgdir"/usr/bin/
+}
+
+md5sums="8ae7743ad11500f7604f2e817221d877  pax-utils-0.7.tar.xz
+3003d6e880fac021a36c2bc2657cdcde  lddtree-sh.patch"
+sha256sums="1ac4cee9a9ca97a723505eb29a25e50adeccffba3f0f0ef4f035cf082caf3b84  pax-utils-0.7.tar.xz
+0ea9b861193d29a163e2abf6a243182626cd123fd70a323a66088399c8c6c0e5  lddtree-sh.patch"
+sha512sums="d99f325b1d3ffc4955bc09aedcbeabea2d87a9647da31db1518de9daa55fbe0e5dd09feedd8dbcd8c4b53825a788ae7c9b904a927abc9ae995385dfd00d44f4a  pax-utils-0.7.tar.xz
+3a18d6aa7d13cdff415681e7a11056e05183a7a16c41186ade2505f73e6bb3a90f3c533fb270e3c565d6408b12fb281ac0d1c27a727b87e3820ae13a77b3c149  lddtree-sh.patch"
diff --git a/main/pax-utils/lddtree-sh.patch b/main/pax-utils/lddtree-sh.patch
new file mode 100644
index 000000000..6967df81c
--- /dev/null
+++ b/main/pax-utils/lddtree-sh.patch
@@ -0,0 +1,209 @@
+--- ./lddtree.sh.orig	2014-03-18 13:38:57.284756931 +0100
++++ ./lddtree.sh	2014-03-18 13:22:47.296407170 +0100
+@@ -1,4 +1,4 @@
+-#!/bin/bash
++#!/bin/sh
+ # Copyright 2007-2013 Gentoo Foundation
+ # Copyright 2007-2013 Mike Frysinger <vapier@gentoo.org>
+ # Distributed under the terms of the GNU General Public License v2
+@@ -7,8 +7,9 @@
+ argv0=${0##*/}
+ 
+ : ${ROOT:=/}
+-[[ ${ROOT} != */ ]] && ROOT="${ROOT}/"
+-[[ ${ROOT} != /* ]] && ROOT="${PWD}${ROOT}"
++
++[ "${ROOT}" = "${ROOT%/}" ] && ROOT="${ROOT}/"
++[ "${ROOT}" = "${ROOT#/}" ] && ROOT="${PWD}/${ROOT}"
+ 
+ usage() {
+ 	cat <<-EOF
+@@ -54,7 +55,7 @@
+ 	_find_elf=''
+ 
+ 	local elf=$1 needed_by=$2
+-	if [[ ${elf} == */* ]] && [[ -e ${elf} ]] ; then
++	if [ "${elf}" != "${elf##*/}" ] && [ -e "${elf}" ] ; then
+ 		_find_elf=${elf}
+ 		return 0
+ 	else
+@@ -63,8 +64,8 @@
+ 			local path pe
+ 			for path ; do
+ 				pe="${path%/}/${elf#/}"
+-				if [[ -e ${pe} ]] ; then
+-					if [[ $(elf_specs "${pe}") == "${elf_specs}" ]] ; then
++				if [ -e "${pe}" ] ; then
++					if [ "$(elf_specs "${pe}")" = "${elf_specs}" ] ; then
+ 						_find_elf=${pe}
+ 						return 0
+ 					fi
+@@ -73,52 +74,53 @@
+ 			return 1
+ 		}
+ 
+-		if [[ ${c_last_needed_by} != ${needed_by} ]] ; then
+-			c_last_needed_by=${needed_by}
++		if [ "${c_last_needed_by}" != "${needed_by}" ] ; then
++			c_last_needed_by="${needed_by}"
+ 			c_last_needed_by_rpaths=$(scanelf -qF '#F%r' "${needed_by}" | \
+ 				sed -e 's|:| |g' -e "s:[$]ORIGIN:${needed_by%/*}:")
+ 		fi
+ 		check_paths "${elf}" ${c_last_needed_by_rpaths} && return 0
+ 
+-		if [[ -n ${LD_LIBRARY_PATH} ]] ; then
++		if [ -n "${LD_LIBRARY_PATH}" ] ; then
+ 			# Need to handle empty paths as $PWD,
+ 			# and handle spaces in between the colons
+ 			local p path=${LD_LIBRARY_PATH}
+ 			while : ; do
+ 				p=${path%%:*}
+ 				check_paths "${elf}" "${p:-${PWD}}" && return 0
+-				[[ ${path} == *:* ]] || break
++				[ "${path}" = "${path#*:}" ] && break
+ 				path=${path#*:}
+ 			done
+ 		fi
+ 
+ 		if ! ${c_ldso_paths_loaded} ; then
+ 			c_ldso_paths_loaded='true'
+-			c_ldso_paths=()
+-			if [[ -r ${ROOT}etc/ld.so.conf ]] ; then
++			c_ldso_paths=
++			if [ -r ${ROOT}etc/ld.so.conf ] ; then
+ 				read_ldso_conf() {
+ 					local line p
+ 					for p ; do
+ 						# if the glob didnt match anything #360041,
+ 						# or the files arent readable, skip it
+-						[[ -r ${p} ]] || continue
++						[ -r "${p}" ] || continue
+ 						while read line ; do
+ 							case ${line} in
+ 								"#"*) ;;
+ 								"include "*) read_ldso_conf ${line#* } ;;
+-								*) c_ldso_paths+=( "${ROOT}${line#/}" ) ;;
++								*) c_ldso_paths="$c_ldso_paths:${ROOT}${line#/}";;
+ 							esac
+ 						done <"${p}"
+ 					done
+ 				}
+ 				# the 'include' command is relative
+-				pushd "${ROOT}"etc >/dev/null
++				local _oldpwd="$PWD"
++				cd "$ROOT"etc >/dev/null
+ 				read_ldso_conf "${ROOT}"etc/ld.so.conf
+-				popd >/dev/null
++				cd "$_oldpwd"
+ 			fi
+ 		fi
+-		if [[ ${#c_ldso_paths[@]} -gt 0 ]] ; then
+-			check_paths "${elf}" "${c_ldso_paths[@]}" && return 0
++		if [ -n "${c_ldso_paths}" ] ; then
++			check_paths "${elf}" ${c_ldso_paths//:/ } && return 0
+ 		fi
+ 
+ 		check_paths "${elf}" ${lib_paths_ldso:-${lib_paths_fallback}} && return 0
+@@ -135,27 +137,29 @@
+ 	elf=${elf##*/}
+ 
+ 	${LIST} || printf "%${indent}s%s => " "" "${elf}"
+-	if [[ ,${parent_elfs}, == *,${elf},* ]] ; then
++	case ",${parent_elfs}," in
++	*,${elf},*)
+ 		${LIST} || printf "!!! circular loop !!!\n" ""
+ 		return
+-	fi
++		;;
++	esac
+ 	parent_elfs="${parent_elfs},${elf}"
+ 	if ${LIST} ; then
+ 		echo "${resolved:-$1}"
+ 	else
+ 		printf "${resolved:-not found}"
+ 	fi
+-	if [[ ${indent} -eq 0 ]] ; then
++	if [ ${indent} -eq 0 ] ; then
+ 		elf_specs=$(elf_specs "${resolved}")
+ 		interp=$(scanelf -qF '#F%i' "${resolved}")
+-		[[ -n ${interp} ]] && interp="${ROOT}${interp#/}"
++		[ -n "${interp}" ] && interp="${ROOT}${interp#/}"
+ 
+ 		if ${LIST} ; then
+-			[[ -n ${interp} ]] && echo "${interp}"
++			[ -n "${interp}" ] && echo "${interp}"
+ 		else
+ 			printf " (interpreter => ${interp:-none})"
+ 		fi
+-		if [[ -r ${interp} ]] ; then
++		if [ -r "${interp}" ] ; then
+ 			# Extract the default lib paths out of the ldso.
+ 			lib_paths_ldso=$(
+ 				strings "${interp}" | \
+@@ -166,7 +170,7 @@
+ 	fi
+ 	${LIST} || printf "\n"
+ 
+-	[[ -z ${resolved} ]] && return
++	[ -z "${resolved}" ] && return
+ 
+ 	libs=$(scanelf -qF '#F%n' "${resolved}")
+ 
+@@ -178,16 +182,15 @@
+ 
+ 	for lib in ${libs//,/ } ; do
+ 		lib=${lib##*/}
+-		[[ ,${my_allhits}, == *,${lib},* ]] && continue
++		case ",${my_allhits}," in
++			*,${lib},*) continue;;
++		esac
+ 		find_elf "${lib}" "${resolved}"
+ 		rlib=${_find_elf}
+ 		show_elf "${rlib:-${lib}}" $((indent + 4)) "${parent_elfs}"
+ 	done
+ }
+ 
+-# XXX: internal hack
+-if [[ $1 != "/../..source.lddtree" ]] ; then
+-
+ SHOW_ALL=false
+ SET_X=false
+ LIST=false
+@@ -210,8 +213,8 @@
+ 	?) usage 1;;
+ 	esac
+ done
+-shift $((OPTIND - 1))
+-[[ -z $1 ]] && usage 1
++shift $(( $OPTIND - 1))
++[ -z "$1" ] && usage 1
+ 
+ ${SET_X} && set -x
+ 
+@@ -219,21 +222,20 @@
+ for elf ; do
+ 	unset lib_paths_ldso
+ 	unset c_last_needed_by
+-	if ${AUTO_ROOT} && [[ ${elf} == /* ]] ; then
++	if ${AUTO_ROOT} && [ -z "${elf##/*}" ] ; then
+ 		elf="${ROOT}${elf#/}"
+ 	fi
+-	if [[ ! -e ${elf} ]] ; then
++	if [ ! -e "${elf}" ] ; then
+ 		error "${elf}: file does not exist"
+-	elif [[ ! -r ${elf} ]] ; then
++	elif [ ! -r "${elf}" ] ; then
+ 		error "${elf}: file is not readable"
+-	elif [[ -d ${elf} ]] ; then
++	elif [ -d "${elf}" ] ; then
+ 		error "${elf}: is a directory"
+ 	else
+ 		allhits=""
+-		[[ ${elf} != */* ]] && elf="./${elf}"
++		[ "${elf##*/*}" = "${elf}" ] && elf="./${elf}"
+ 		show_elf "${elf}" 0 ""
+ 	fi
+ done
+ exit ${ret}
+ 
+-fi