makepkg with silent dropping of --as-root and removed do not run as root errors

makepkg

#!/usr/bin/bash
#
#   makepkg - make packages compatible for use with pacman
#   Generated from makepkg.sh.in; do not edit by hand.
#
#   Copyright (c) 2006-2014 Pacman Development Team <pacman-dev@archlinux.org>
#   Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org>
#   Copyright (c) 2005 by Aurelien Foret <orelien@chez.com>
#   Copyright (c) 2006 by Miklos Vajna <vmiklos@frugalware.org>
#   Copyright (c) 2005 by Christian Hamar <krics@linuxforum.hu>
#   Copyright (c) 2006 by Alex Smith <alex@alex-smith.me.uk>
#   Copyright (c) 2006 by Andras Voroskoi <voroskoi@frugalware.org>
#
#   This program is free software; you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation; either version 2 of the License, or
#   (at your option) any later version.
#
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU General Public License for more details.
#
#   You should have received a copy of the GNU General Public License
#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
#

# makepkg uses quite a few external programs during its execution. You
# need to have at least the following installed for makepkg to function:
#   awk, bsdtar (libarchive), bzip2, coreutils, fakeroot, file, find (findutils),
#   gettext, gpg, grep, gzip, openssl, sed, tput (ncurses), xz

# gettext initialization
export TEXTDOMAIN='pacman-scripts'
export TEXTDOMAINDIR='/usr/share/locale'

# file -i does not work on Mac OSX unless legacy mode is set
export COMMAND_MODE='legacy'
# Ensure CDPATH doesn't screw with our cd calls
unset CDPATH
# Ensure GREP_OPTIONS doesn't screw with our grep calls
unset GREP_OPTIONS

declare -r makepkg_version='4.2.1'
declare -r confdir='/etc'
declare -r BUILDSCRIPT='PKGBUILD'
declare -r startdir="$PWD"

LIBRARY=${LIBRARY:-'/usr/lib/makepkg'}

packaging_options=('strip' 'docs' 'libtool' 'staticlibs' 'emptydirs' 'zipman'
                   'purge' 'upx' 'debug')
other_options=('ccache' 'distcc' 'buildflags' 'makeflags')
splitpkg_overrides=('pkgdesc' 'arch' 'url' 'license' 'groups' 'depends'
                    'optdepends' 'provides' 'conflicts' 'replaces' 'backup'
                    'options' 'install' 'changelog')
readonly -a packaging_options other_options splitpkg_overrides

known_hash_algos=('md5' 'sha1' 'sha224' 'sha256' 'sha384' 'sha512')

# Options
ASDEPS=0
BUILDFUNC=0
CHECKFUNC=0
CLEANBUILD=0
CLEANUP=0
DEP_BIN=0
FORCE=0
GENINTEG=0
HOLDVER=0
IGNOREARCH=0
INFAKEROOT=0
INSTALL=0
LOGGING=0
NEEDED=0
NOARCHIVE=0
NOBUILD=0
NODEPS=0
NOEXTRACT=0
PKGFUNC=0
PKGLIST=()
PKGVERFUNC=0
PREPAREFUNC=0
REPKG=0
RMDEPS=0
SKIPCHECKSUMS=0
SKIPPGPCHECK=0
SIGNPKG=''
SPLITPKG=0
SOURCEONLY=0
VERIFYSOURCE=0

# Forces the pkgver of the current PKGBUILD. Used by the fakeroot call
# when dealing with svn/cvs/etc PKGBUILDs.
FORCE_VER=""

PACMAN_OPTS=

shopt -s extglob

### SUBROUTINES ###

plain() {
	local mesg=$1; shift
	printf "${BOLD}    ${mesg}${ALL_OFF}\n" "$@" >&2
}

msg() {
	local mesg=$1; shift
	printf "${GREEN}==>${ALL_OFF}${BOLD} ${mesg}${ALL_OFF}\n" "$@" >&2
}

msg2() {
	local mesg=$1; shift
	printf "${BLUE}  ->${ALL_OFF}${BOLD} ${mesg}${ALL_OFF}\n" "$@" >&2
}

warning() {
	local mesg=$1; shift
	printf "${YELLOW}==> $(gettext "WARNING:")${ALL_OFF}${BOLD} ${mesg}${ALL_OFF}\n" "$@" >&2
}

error() {
	local mesg=$1; shift
	printf "${RED}==> $(gettext "ERROR:")${ALL_OFF}${BOLD} ${mesg}${ALL_OFF}\n" "$@" >&2
}


##
# Special exit call for traps, Don't print any error messages when inside,
# the fakeroot call, the error message will be printed by the main call.
##
trap_exit() {
	local signal=$1; shift

	if (( ! INFAKEROOT )); then
		echo
		error "$@"
	fi
	[[ -n $srclinks ]] && rm -rf "$srclinks"

	# unset the trap for this signal, and then call the default handler
	trap -- "$signal"
	kill "-$signal" "$$"
}


##
# Clean up function. Called automatically when the script exits.
##
clean_up() {
	local EXIT_CODE=$?

	if (( INFAKEROOT )); then
		# Don't clean up when leaving fakeroot, we're not done yet.
		return
	fi

	if (( ! EXIT_CODE && CLEANUP )); then
		local pkg file

		# If it's a clean exit and -c/--clean has been passed...
		msg "$(gettext "Cleaning up...")"
		rm -rf "$pkgdirbase" "$srcdir"
		if [[ -n $pkgbase ]]; then
			local fullver=$(get_full_version)
			# Can't do this unless the BUILDSCRIPT has been sourced.
			if (( BUILDFUNC )); then
				rm -f "${pkgbase}-${fullver}-${CARCH}-build.log"*
			fi
			if (( CHECKFUNC )); then
				rm -f "${pkgbase}-${fullver}-${CARCH}-check.log"*
			fi
			if (( PKGFUNC )); then
				rm -f "${pkgbase}-${fullver}-${CARCH}-package.log"*
			elif (( SPLITPKG )); then
				for pkg in ${pkgname[@]}; do
					rm -f "${pkgbase}-${fullver}-${CARCH}-package_${pkg}.log"*
				done
			fi

			# clean up dangling symlinks to packages
			for pkg in ${pkgname[@]}; do
				for file in ${pkg}-*-*-*{${PKGEXT},${SRCEXT}}; do
					if [[ -h $file && ! -e $file ]]; then
						rm -f "$file"
					fi
				done
			done
		fi
	fi

	remove_deps
}


enter_fakeroot() {
	msg "$(gettext "Entering %s environment...")" "fakeroot"
	fakeroot -- $0 -F "${ARGLIST[@]}" || exit $?
}


# a source entry can have two forms :
# 1) "filename::http://path/to/file"
# 2) "http://path/to/file"

# Return the absolute filename of a source entry
get_filepath() {
	local file="$(get_filename "$1")"
	local proto="$(get_protocol "$1")"

	case $proto in
		bzr*|git*|hg*|svn*)
			if [[ -d "$startdir/$file" ]]; then
				file="$startdir/$file"
			elif [[ -d "$SRCDEST/$file" ]]; then
				file="$SRCDEST/$file"
			else
				return 1
			fi
			;;
		*)
			if [[ -f "$startdir/$file" ]]; then
				file="$startdir/$file"
			elif [[ -f "$SRCDEST/$file" ]]; then
				file="$SRCDEST/$file"
			else
				return 1
			fi
			;;
	esac

	printf "%s\n" "$file"
}

# extract the filename from a source entry
get_filename() {
	local netfile=$1

	# if a filename is specified, use it
	if [[ $netfile = *::* ]]; then
		printf "%s\n" ${netfile%%::*}
		return
	fi

	local proto=$(get_protocol "$netfile")

	case $proto in
		bzr*|git*|hg*|svn*)
			filename=${netfile%%#*}
			filename=${filename%/}
			filename=${filename##*/}
			if [[ $proto = bzr* ]]; then
				filename=${filename#*lp:}
			fi
			if [[ $proto = git* ]]; then
				filename=${filename%%.git*}
			fi
			;;
		*)
			# if it is just an URL, we only keep the last component
			filename="${netfile##*/}"
			;;
	esac
	printf "%s\n" "${filename}"
}

# extract the URL from a source entry
get_url() {
	# strip an eventual filename
	printf "%s\n" "${1#*::}"
}

# extract the protocol from a source entry - return "local" for local sources
get_protocol() {
	if [[ $1 = *://* ]]; then
		# strip leading filename
		local proto="${1#*::}"
		printf "%s\n" "${proto%%://*}"
	elif [[ $1 = *lp:* ]]; then
		local proto="${1#*::}"
		printf "%s\n" "${proto%%lp:*}"
	else
		printf "%s\n" local
	fi
}

get_downloadclient() {
	local proto=$1

	# loop through DOWNLOAD_AGENTS variable looking for protocol
	local i
	for i in "${DLAGENTS[@]}"; do
		local handler="${i%%::*}"
		if [[ $proto = "$handler" ]]; then
			local agent="${i#*::}"
			break
		fi
	done

	# if we didn't find an agent, return an error
	if [[ -z $agent ]]; then
		error "$(gettext "Unknown download protocol: %s")" "$proto"
		plain "$(gettext "Aborting...")"
		exit 1 # $E_CONFIG_ERROR
	fi

	# ensure specified program is installed
	local program="${agent%% *}"
	if [[ ! -x $program ]]; then
		local baseprog="${program##*/}"
		error "$(gettext "The download program %s is not installed.")" "$baseprog"
		plain "$(gettext "Aborting...")"
		exit 1 # $E_MISSING_PROGRAM
	fi

	printf "%s\n" "$agent"
}

download_local() {
	local netfile=$1
	local filepath=$(get_filepath "$netfile")

	if [[ -n "$filepath" ]]; then
		msg2 "$(gettext "Found %s")" "${filepath##*/}"
	else
		local filename=$(get_filename "$netfile")
		error "$(gettext "%s was not found in the build directory and is not a URL.")" "$filename"
		exit 1 # $E_MISSING_FILE
	fi
}

download_file() {
	local netfile=$1

	local filepath=$(get_filepath "$netfile")
	if [[ -n "$filepath" ]]; then
		msg2 "$(gettext "Found %s")" "${filepath##*/}"
		return
	fi

	local proto=$(get_protocol "$netfile")

	# find the client we should use for this URL
	local -a cmdline
	IFS=' ' read -a cmdline < <(get_downloadclient "$proto")
	(( ${#cmdline[@]} )) || exit

	local filename=$(get_filename "$netfile")
	local url=$(get_url "$netfile")

	if [[ $proto = "scp" ]]; then
		# scp downloads should not pass the protocol in the url
		url="${url##*://}"
	fi

	msg2 "$(gettext "Downloading %s...")" "$filename"

	# temporary download file, default to last component of the URL
	local dlfile="${url##*/}"

	# replace %o by the temporary dlfile if it exists
	if [[ ${cmdline[*]} = *%o* ]]; then
		dlfile=$filename.part
		cmdline=("${cmdline[@]//%o/$dlfile}")
	fi
	# add the URL, either in place of %u or at the end
	if [[ ${cmdline[*]} = *%u* ]]; then
		cmdline=("${cmdline[@]//%u/$url}")
	else
		cmdline+=("$url")
	fi

	if ! command -- "${cmdline[@]}" >&2; then
		[[ ! -s $dlfile ]] && rm -f -- "$dlfile"
		error "$(gettext "Failure while downloading %s")" "$filename"
		plain "$(gettext "Aborting...")"
		exit 1
	fi

	# rename the temporary download file to the final destination
	if [[ $dlfile != "$filename" ]]; then
		mv -f "$SRCDEST/$dlfile" "$SRCDEST/$filename"
	fi
}

extract_file() {
	local file=$1

	local filepath=$(get_filepath "$file")
	rm -f "$srcdir/${file}"
	ln -s "$filepath" "$srcdir/"

	if in_array "$file" "${noextract[@]}"; then
		# skip source files in the noextract=() array
		# these are marked explicitly to NOT be extracted
		return 0
	fi

	# do not rely on extension for file type
	local file_type=$(file -bizL "$file")
	local ext=${file##*.}
	local cmd=''
	case "$file_type" in
		*application/x-tar*|*application/zip*|*application/x-zip*|*application/x-cpio*)
			cmd="bsdtar" ;;
		*application/x-gzip*)
			case "$ext" in
				gz|z|Z) cmd="gzip" ;;
				*) return;;
			esac ;;
		*application/x-bzip*)
			case "$ext" in
				bz2|bz) cmd="bzip2" ;;
				*) return;;
			esac ;;
		*application/x-xz*)
			case "$ext" in
				xz) cmd="xz" ;;
				*) return;;
			esac ;;
		*)
			# See if bsdtar can recognize the file
			if bsdtar -tf "$file" -q '*' &>/dev/null; then
				cmd="bsdtar"
			else
				return 0
			fi ;;
	esac

	local ret=0
	msg2 "$(gettext "Extracting %s with %s")" "$file" "$cmd"
	if [[ $cmd = "bsdtar" ]]; then
		$cmd -xf "$file" || ret=$?
	else
		rm -f -- "${file%.*}"
		$cmd -dcf "$file" > "${file%.*}" || ret=$?
	fi
	if (( ret )); then
		error "$(gettext "Failed to extract %s")" "$file"
		plain "$(gettext "Aborting...")"
		exit 1
	fi

	if (( EUID == 0 )); then
		# change perms of all source files to root user & root group
		chown -R 0:0 "$srcdir"
	fi
}

download_bzr() {
	local netfile=$1

	local url=$(get_url "$netfile")
	if [[ $url != bzr+ssh* ]]; then
		url=${url#bzr+}
	fi
	url=${url%%#*}

	local repo=$(get_filename "$netfile")
	local displaylocation="$url"

	local dir=$(get_filepath "$netfile")
	[[ -z "$dir" ]] && dir="$SRCDEST/$(get_filename "$netfile")"

	if [[ ! -d "$dir" ]] || dir_is_empty "$dir" ; then
		msg2 "$(gettext "Branching %s ...")" "${displaylocation}"
		if ! bzr branch "$url" "$dir" --no-tree --use-existing-dir; then
			error "$(gettext "Failure while branching %s")" "${displaylocation}"
			plain "$(gettext "Aborting...")"
			exit 1
		fi
	elif (( ! HOLDVER )); then
		msg2 "$(gettext "Pulling %s ...")" "${displaylocation}"
		cd_safe "$dir"
		if ! bzr pull "$url"; then
			# only warn on failure to allow offline builds
			warning "$(gettext "Failure while pulling %s")" "${displaylocation}"
		fi
	fi
}

extract_bzr() {
	local netfile=$1

	local repo=$(get_filename "$netfile")
	local fragment=${netfile#*#}
	if [[ $fragment = "$netfile" ]]; then
		unset fragment
	fi

	rev="last:1"
	if [[ -n $fragment ]]; then
		case ${fragment%%=*} in
			revision)
				rev="${fragment#*=}"
				displaylocation="$url -r ${fragment#*=}"
				;;
			*)
				error "$(gettext "Unrecognized reference: %s")" "${fragment}"
				plain "$(gettext "Aborting...")"
				exit 1
		esac
	fi

	local dir=$(get_filepath "$netfile")
	[[ -z "$dir" ]] && dir="$SRCDEST/$(get_filename "$netfile")"

	msg2 "$(gettext "Creating working copy of %s %s repo...")" "${repo}" "bzr"
	pushd "$srcdir" &>/dev/null

	if [[ -d "${dir##*/}" ]]; then
		cd_safe "${dir##*/}"
		if ! (bzr pull "$dir" -q --overwrite -r "$rev" && bzr clean-tree -q --detritus --force); then
			error "$(gettext "Failure while updating working copy of %s %s repo")" "${repo}" "bzr"
			plain "$(gettext "Aborting...")"
			exit 1
		fi
	elif ! bzr checkout "$dir" -r "$rev"; then
		error "$(gettext "Failure while creating working copy of %s %s repo")" "${repo}" "bzr"
		plain "$(gettext "Aborting...")"
		exit 1
	fi

	popd &>/dev/null
}

download_git() {
	local netfile=$1

	local dir=$(get_filepath "$netfile")
	[[ -z "$dir" ]] && dir="$SRCDEST/$(get_filename "$netfile")"

	local repo=$(get_filename "$netfile")

	local url=$(get_url "$netfile")
	url=${url#git+}
	url=${url%%#*}

	if [[ ! -d "$dir" ]] || dir_is_empty "$dir" ; then
		msg2 "$(gettext "Cloning %s %s repo...")" "${repo}" "git"
		if ! git clone --mirror "$url" "$dir"; then
			error "$(gettext "Failure while downloading %s %s repo")" "${repo}" "git"
			plain "$(gettext "Aborting...")"
			exit 1
		fi
	elif (( ! HOLDVER )); then
		cd_safe "$dir"
		# Make sure we are fetching the right repo
		if [[ "$url" != "$(git config --get remote.origin.url)" ]] ; then
			error "$(gettext "%s is not a clone of %s")" "$dir" "$url"
			plain "$(gettext "Aborting...")"
			exit 1
		fi
		msg2 "$(gettext "Updating %s %s repo...")" "${repo}" "git"
		if ! git fetch --all -p; then
			# only warn on failure to allow offline builds
			warning "$(gettext "Failure while updating %s %s repo")" "${repo}" "git"
		fi
	fi
}

extract_git() {
	local netfile=$1

	local fragment=${netfile#*#}
	if [[ $fragment = "$netfile" ]]; then
		unset fragment
	fi

	local repo=${netfile##*/}
	repo=${repo%%#*}
	repo=${repo%%.git*}

	local dir=$(get_filepath "$netfile")
	[[ -z "$dir" ]] && dir="$SRCDEST/$(get_filename "$netfile")"

	msg2 "$(gettext "Creating working copy of %s %s repo...")" "${repo}" "git"
	pushd "$srcdir" &>/dev/null

	local updating=0
	if [[ -d "${dir##*/}" ]]; then
		updating=1
		cd_safe "${dir##*/}"
		if ! git fetch; then
			error "$(gettext "Failure while updating working copy of %s %s repo")" "${repo}" "git"
			plain "$(gettext "Aborting...")"
			exit 1
		fi
		cd_safe "$srcdir"
	elif ! git clone "$dir" "${dir##*/}"; then
		error "$(gettext "Failure while creating working copy of %s %s repo")" "${repo}" "git"
		plain "$(gettext "Aborting...")"
		exit 1
	fi

	cd_safe "${dir##*/}"

	local ref=origin/HEAD
	if [[ -n $fragment ]]; then
		case ${fragment%%=*} in
			commit|tag)
				ref=${fragment##*=}
				;;
			branch)
				ref=origin/${fragment##*=}
				;;
			*)
				error "$(gettext "Unrecognized reference: %s")" "${fragment}"
				plain "$(gettext "Aborting...")"
				exit 1
		esac
	fi

	if [[ $ref != "origin/HEAD" ]] || (( updating )) ; then
		if ! git checkout --force --no-track -B makepkg $ref; then
			error "$(gettext "Failure while creating working copy of %s %s repo")" "${repo}" "git"
			plain "$(gettext "Aborting...")"
			exit 1
		fi
	fi

	popd &>/dev/null
}

download_hg() {
	local netfile=$1

	local dir=$(get_filepath "$netfile")
	[[ -z "$dir" ]] && dir="$SRCDEST/$(get_filename "$netfile")"

	local repo=$(get_filename "$netfile")

	local url=$(get_url "$netfile")
	url=${url#hg+}
	url=${url%%#*}

	if [[ ! -d "$dir" ]] || dir_is_empty "$dir" ; then
		msg2 "$(gettext "Cloning %s %s repo...")" "${repo}" "hg"
		if ! hg clone -U "$url" "$dir"; then
			error "$(gettext "Failure while downloading %s %s repo")" "${repo}" "hg"
			plain "$(gettext "Aborting...")"
			exit 1
		fi
	elif (( ! HOLDVER )); then
		msg2 "$(gettext "Updating %s %s repo...")" "${repo}" "hg"
		cd_safe "$dir"
		if ! hg pull; then
			# only warn on failure to allow offline builds
			warning "$(gettext "Failure while updating %s %s repo")" "${repo}" "hg"
		fi
	fi
}

extract_hg() {
	local netfile=$1

	local fragment=${netfile#*#}
	if [[ $fragment = "$netfile" ]]; then
		unset fragment
	fi

	local dir=$(get_filepath "$netfile")
	[[ -z "$dir" ]] && dir="$SRCDEST/$(get_filename "$netfile")"

	local repo=${netfile##*/}
	repo=${repo%%#*}

	msg2 "$(gettext "Creating working copy of %s %s repo...")" "${repo}" "hg"
	pushd "$srcdir" &>/dev/null

	local ref=tip
	if [[ -n $fragment ]]; then
		case ${fragment%%=*} in
			branch|revision|tag)
				ref="${fragment##*=}"
				;;
			*)
				error "$(gettext "Unrecognized reference: %s")" "${fragment}"
				plain "$(gettext "Aborting...")"
				exit 1
		esac
	fi

	if [[ -d "${dir##*/}" ]]; then
		cd_safe "${dir##*/}"
		if ! (hg pull && hg update -C -r "$ref"); then
			error "$(gettext "Failure while updating working copy of %s %s repo")" "${repo}" "hg"
			plain "$(gettext "Aborting...")"
			exit 1
		fi
	elif ! hg clone -u "$ref" "$dir" "${dir##*/}"; then
		error "$(gettext "Failure while creating working copy of %s %s repo")" "${repo}" "hg"
		plain "$(gettext "Aborting...")"
		exit 1
	fi

	popd &>/dev/null
}

download_svn() {
	local netfile=$1

	local fragment=${netfile#*#}
	if [[ $fragment = "$netfile" ]]; then
		unset fragment
	fi

	local dir=$(get_filepath "$netfile")
	[[ -z "$dir" ]] && dir="$SRCDEST/$(get_filename "$netfile")"

	local repo=$(get_filename "$netfile")

	local url=$(get_url "$netfile")
	if [[ $url != svn+ssh* ]]; then
		url=${url#svn+}
	fi
	url=${url%%#*}

	local ref=HEAD
	if [[ -n $fragment ]]; then
		case ${fragment%%=*} in
			revision)
				ref="${fragment##*=}"
				;;
			*)
				error "$(gettext "Unrecognized reference: %s")" "${fragment}"
				plain "$(gettext "Aborting...")"
				exit 1
		esac
	fi

	if [[ ! -d "$dir" ]] || dir_is_empty "$dir" ; then
		msg2 "$(gettext "Cloning %s %s repo...")" "${repo}" "svn"
		mkdir -p "$dir/.makepkg"
		if ! svn checkout -r ${ref} --config-dir "$dir/.makepkg" "$url" "$dir"; then
			error "$(gettext "Failure while downloading %s %s repo")" "${repo}" "svn"
			plain "$(gettext "Aborting...")"
			exit 1
		fi
	elif (( ! HOLDVER )); then
		msg2 "$(gettext "Updating %s %s repo...")" "${repo}" "svn"
		cd_safe "$dir"
		if ! svn update -r ${ref}; then
			# only warn on failure to allow offline builds
			warning "$(gettext "Failure while updating %s %s repo")" "${repo}" "svn"
		fi
	fi
}

extract_svn() {
	local netfile=$1

	local dir=$(get_filepath "$netfile")
	[[ -z "$dir" ]] && dir="$SRCDEST/$(get_filename "$netfile")"

	local repo=${netfile##*/}
	repo=${repo%%#*}

	msg2 "$(gettext "Creating working copy of %s %s repo...")" "${repo}" "svn"

	cp -au "$dir" "$srcdir"
}

get_all_sources() {
	local aggregate l a

	if array_build l 'source'; then
		aggregate+=("${l[@]}")
	fi

	for a in "${arch[@]}"; do
		if array_build l "source_$a"; then
			aggregate+=("${l[@]}")
		fi
	done

	array_build "$1" "aggregate"
}

get_all_sources_for_arch() {
	local aggregate l

	if array_build l 'source'; then
		aggregate+=("${l[@]}")
	fi

	if array_build l "source_$CARCH"; then
		aggregate+=("${l[@]}")
	fi

	array_build "$1" "aggregate"
}

download_sources() {
	local netfile all_sources
	local get_source_fn=get_all_sources_for_arch get_vcs=1

	msg "$(gettext "Retrieving sources...")"

	while true; do
		case $1 in
			allarch)
				get_source_fn=get_all_sources
				;;
			novcs)
				get_vcs=0
				;;
			*)
				break 2
				;;
		esac
		shift
	done

	"$get_source_fn" 'all_sources'
	for netfile in "${all_sources[@]}"; do
		pushd "$SRCDEST" &>/dev/null

		local proto=$(get_protocol "$netfile")
		case "$proto" in
			local)
				download_local "$netfile"
				;;
			bzr*)
				(( get_vcs )) && download_bzr "$netfile"
				;;
			git*)
				(( get_vcs )) && download_git "$netfile"
				;;
			hg*)
				(( get_vcs )) && download_hg "$netfile"
				;;
			svn*)
				(( get_vcs )) && download_svn "$netfile"
				;;
			*)
				download_file "$netfile"
				;;
		esac

		popd &>/dev/null
	done
}

# Automatically update pkgver variable if a pkgver() function is provided
# Re-sources the PKGBUILD afterwards to allow for other variables that use $pkgver
update_pkgver() {
	newpkgver=$(run_function_safe pkgver)
	if ! validate_pkgver "$newpkgver"; then
		error "$(gettext "pkgver() generated an invalid version: %s")" "$newpkgver"
		exit 1
	fi

	if [[ -n $newpkgver && $newpkgver != "$pkgver" ]]; then
		if [[ -f $BUILDFILE && -w $BUILDFILE ]]; then
			if ! sed --follow-symlinks -i "s:^pkgver=[^ ]*:pkgver=$newpkgver:" "$BUILDFILE"; then
				error "$(gettext "Failed to update %s from %s to %s")" \
						"pkgver" "$pkgver" "$newpkgver"
				exit 1
			fi
			sed --follow-symlinks -i "s:^pkgrel=[^ ]*:pkgrel=1:" "$BUILDFILE"
			source_safe "$BUILDFILE"
			local fullver=$(get_full_version)
			msg "$(gettext "Updated version: %s")" "$pkgbase $fullver"
		else
			warning "$(gettext "%s is not writeable -- pkgver will not be updated")" \
					"$BUILDFILE"
		fi
	fi
}

# Print 'source not found' error message and exit makepkg
missing_source_file() {
	error "$(gettext "Unable to find source file %s.")" "$(get_filename "$1")"
	plain "$(gettext "Aborting...")"
	exit 1 # $E_MISSING_FILE
}

##
#  usage : get_full_version()
# return : full version spec, including epoch (if necessary), pkgver, pkgrel
##
get_full_version() {
	if (( epoch > 0 )); then
		printf "%s\n" "$epoch:$pkgver-$pkgrel"
	else
		printf "%s\n" "$pkgver-$pkgrel"
	fi
}

##
#  usage : get_pkg_arch( [$pkgname] )
# return : architecture of the package
##
get_pkg_arch() {
	if [[ -z $1 ]]; then
		if [[ $arch = "any" ]]; then
			printf "%s\n" "any"
		else
			printf "%s\n" "$CARCH"
		fi
	else
		local arch_override
		pkgbuild_get_attribute "$1" arch 0 arch_override
		(( ${#arch_override[@]} == 0 )) && arch_override=("${arch[@]}")
		if [[ $arch_override = "any" ]]; then
			printf "%s\n" "any"
		else
			printf "%s\n" "$CARCH"
		fi
	fi
}

##
# Checks to see if options are present in makepkg.conf or PKGBUILD;
# PKGBUILD options always take precedence.
#
#  usage : check_option( $option, $expected_val )
# return : 0   - matches expected
#          1   - does not match expected
#          127 - not found
##
check_option() {
	in_opt_array "$1" ${options[@]}
	case $? in
		0) # assert enabled
			[[ $2 = y ]]
			return ;;
		1) # assert disabled
			[[ $2 = n ]]
			return
	esac

	# fall back to makepkg.conf options
	in_opt_array "$1" ${OPTIONS[@]}
	case $? in
		0) # assert enabled
			[[ $2 = y ]]
			return ;;
		1) # assert disabled
			[[ $2 = n ]]
			return
	esac

	# not found
	return 127
}


##
# Check if option is present in BUILDENV
#
#  usage : check_buildenv( $option, $expected_val )
# return : 0   - matches expected
#          1   - does not match expected
#          127 - not found
##
check_buildenv() {
	in_opt_array "$1" ${BUILDENV[@]}
	case $? in
		0) # assert enabled
			[[ $2 = "y" ]]
			return ;;
		1) # assert disabled
			[[ $2 = "n" ]]
			return ;;
	esac

	# not found
	return 127
}


##
#  usage : in_opt_array( $needle, $haystack )
# return : 0   - enabled
#          1   - disabled
#          127 - not found
##
in_opt_array() {
	local needle=$1; shift

	local i opt
	for (( i = $#; i > 0; i-- )); do
		opt=${!i}
		if [[ $opt = "$needle" ]]; then
			# enabled
			return 0
		elif [[ $opt = "!$needle" ]]; then
			# disabled
			return 1
		fi
	done

	# not found
	return 127
}


##
#  usage : in_array( $needle, $haystack )
# return : 0 - found
#          1 - not found
##
in_array() {
	local needle=$1; shift
	local item
	for item in "$@"; do
		[[ $item = "$needle" ]] && return 0 # Found
	done
	return 1 # Not Found
}

source_has_signatures() {
	local file all_sources

	get_all_sources_for_arch 'all_sources'
	for file in "${all_sources[@]}"; do
		if [[ ${file%%::*} = *.@(sig?(n)|asc) ]]; then
			return 0
		fi
	done
	return 1
}

run_pacman() {
	local cmd
	if [[ $1 != -@(T|Qq) ]]; then
		cmd=("$PACMAN_PATH" $PACMAN_OPTS "$@")
	else
		cmd=("$PACMAN_PATH" "$@")
	fi
	if [[ $1 != -@(T|Qq) ]]; then
		if type -p sudo >/dev/null; then
			cmd=(sudo "${cmd[@]}")
		else
			cmd=(su root -c "$(printf '%q ' "${cmd[@]}")")
		fi
	fi
	"${cmd[@]}"
}

check_deps() {
	(( $# > 0 )) || return 0

	local ret=0
	local pmout
	pmout=$(run_pacman -T "$@")
	ret=$?

	if (( ret == 127 )); then #unresolved deps
		printf "%s\n" "$pmout"
	elif (( ret )); then
		error "$(gettext "'%s' returned a fatal error (%i): %s")" "$PACMAN" "$ret" "$pmout"
		return "$ret"
	fi
}

handle_deps() {
	local R_DEPS_SATISFIED=0
	local R_DEPS_MISSING=1

	(( $# == 0 )) && return $R_DEPS_SATISFIED

	local deplist="$*"

	if (( ! DEP_BIN )); then
		return $R_DEPS_MISSING
	fi

	if (( DEP_BIN )); then
		# install missing deps from binary packages (using pacman -S)
		msg "$(gettext "Installing missing dependencies...")"

		if ! run_pacman -S --asdeps $deplist; then
			error "$(gettext "'%s' failed to install missing dependencies.")" "$PACMAN"
			exit 1 # TODO: error code
		fi
	fi

	# we might need the new system environment
	# save our shell options and turn off extglob
	local shellopts=$(shopt -p)
	shopt -u extglob
	source /etc/profile &>/dev/null
	eval "$shellopts"

	return $R_DEPS_SATISFIED
}

resolve_deps() {
	local R_DEPS_SATISFIED=0
	local R_DEPS_MISSING=1

	# deplist cannot be declared like this: local deplist=$(foo)
	# Otherwise, the return value will depend on the assignment.
	local deplist
	deplist="$(set +E; check_deps $*)" || exit 1
	[[ -z $deplist ]] && return $R_DEPS_SATISFIED

	if handle_deps $deplist; then
		# check deps again to make sure they were resolved
		deplist="$(set +E; check_deps $*)" || exit 1
		[[ -z $deplist ]] && return $R_DEPS_SATISFIED
	fi

	msg "$(gettext "Missing dependencies:")"
	local dep
	for dep in $deplist; do
		msg2 "$dep"
	done

	return $R_DEPS_MISSING
}

remove_deps() {
	(( ! RMDEPS )) && return

	# check for packages removed during dependency install (e.g. due to conflicts)
	# removing all installed packages is risky in this case
	if [[ -n $(grep -xvFf <(printf '%s\n' "${current_pkglist[@]}") \
			<(printf '%s\n' "${original_pkglist[@]}")) ]]; then
		warning "$(gettext "Failed to remove installed dependencies.")"
		return 0
	fi

	local deplist
	deplist=($(grep -xvFf <(printf "%s\n" "${original_pkglist[@]}") \
			<(printf "%s\n" "${current_pkglist[@]}")))
	if [[ -z $deplist ]]; then
		return 0
	fi

	msg "Removing installed dependencies..."
	# exit cleanly on failure to remove deps as package has been built successfully
	if ! run_pacman -Rn ${deplist[@]}; then
		warning "$(gettext "Failed to remove installed dependencies.")"
		return 0
	fi
}

get_integlist() {
	local integ
	local integlist=()

	for integ in "${known_hash_algos[@]}"; do
		local sumname="${integ}sums[@]"
		if [[ -n ${!sumname} ]]; then
			integlist+=("$integ")
		fi
	done

	if (( ${#integlist[@]} > 0 )); then
		printf "%s\n" "${integlist[@]}"
	else
		printf "%s\n" "${INTEGRITY_CHECK[@]}"
	fi
}

generate_one_checksum() {
	local integ=$1 arch=$2 sources numsrc indentsz idx

	if [[ $arch ]]; then
		array_build sources "source_$arch"
	else
		array_build sources 'source'
	fi

	numsrc=${#sources[*]}
	if (( numsrc == 0 )); then
		return
	fi

	if [[ $arch ]]; then
		printf "%ssums_%s=(%n" "$integ" "$arch" indentsz
	else
		printf "%ssums=(%n" "$integ" indentsz
	fi

	for (( idx = 0; idx < numsrc; ++idx )); do
		local netfile=${sources[idx]}
		local proto sum
		proto="$(get_protocol "$netfile")"

		case $proto in
			bzr*|git*|hg*|svn*)
				sum="SKIP"
				;;
			*)
				if [[ $netfile != *.@(sig?(n)|asc) ]]; then
					local file
					file="$(get_filepath "$netfile")" || missing_source_file "$netfile"
					sum="$(openssl dgst -${integ} "$file")"
					sum=${sum##* }
				else
					sum="SKIP"
				fi
				;;
		esac

		# indent checksum on lines after the first
		printf "%*s%s" $(( idx ? indentsz : 0 )) '' "'$sum'"

		# print a newline on lines before the last
		(( idx < (numsrc - 1) )) && echo
	done

	echo ")"
}

generate_checksums() {
	msg "$(gettext "Generating checksums for source files...")"

	if ! type -p openssl >/dev/null; then
		error "$(gettext "Cannot find the %s binary required for generating sourcefile checksums.")" "openssl"
		exit 1 # $E_MISSING_PROGRAM
	fi

	local integlist
	if (( $# == 0 )); then
		IFS=$'\n' read -rd '' -a integlist < <(get_integlist)
	else
		integlist=("$@")
	fi

	local integ
	for integ in "${integlist[@]}"; do
		if ! in_array "$integ" "${known_hash_algos[@]}"; then
			error "$(gettext "Invalid integrity algorithm '%s' specified.")" "$integ"
			exit 1 # $E_CONFIG_ERROR
		fi

		generate_one_checksum "$integ"
		for a in "${arch[@]}"; do
			generate_one_checksum "$integ" "$a"
		done
	done
}

verify_integrity_one() {
	local source_name=$1 integ=$2 expectedsum=$3

	local file="$(get_filename "$source_name")"
	printf '    %s ... ' "$file" >&2

	if [[ $expectedsum = 'SKIP' ]]; then
		printf '%s\n' "$(gettext "Skipped")" >&2
		return
	fi

	if ! file="$(get_filepath "$file")"; then
		printf '%s\n' "$(gettext "NOT FOUND")" >&2
		return 1
	fi

	local realsum="$(openssl dgst -${integ} "$file")"
	realsum="${realsum##* }"
	if [[ ${expectedsum,,} = "$realsum" ]]; then
		printf '%s\n' "$(gettext "Passed")" >&2
	else
		printf '%s\n' "$(gettext "FAILED")" >&2
		return 1
	fi

	return 0
}

verify_integrity_sums() {
	local integ=$1 arch=$2 integrity_sums=() sources=()

	if [[ $arch ]]; then
		array_build integrity_sums "${integ}sums_$arch"
		array_build sources "source_$arch"
	else
		array_build integrity_sums "${integ}sums"
		array_build sources source
	fi

	if (( ${#integrity_sums[@]} == 0 && ${#sources[@]} == 0 )); then
		return 1
	fi

	if (( ${#integrity_sums[@]} == ${#sources[@]} )); then
		msg "$(gettext "Validating source files with %s...")" "${integ}sums"
		local idx errors=0
		for (( idx = 0; idx < ${#sources[*]}; idx++ )); do
			verify_integrity_one "${sources[idx]}" "$integ" "${integrity_sums[idx]}" || errors=1
		done

		if (( errors )); then
			error "$(gettext "One or more files did not pass the validity check!")"
			exit 1 # TODO: error code
		fi
	elif (( ${#integrity_sums[@]} )); then
		error "$(gettext "Integrity checks (%s) differ in size from the source array.")" "$integ"
		exit 1 # TODO: error code
	else
		return 1
	fi
}

check_checksums() {
	local integ a
	declare -A correlation
	(( SKIPCHECKSUMS )) && return 0

	# Initialize a map which we'll use to verify that every source array has at
	# least some kind of checksum array associated with it.
	(( ${#source[*]} )) && correlation['source']=1
	case $1 in
		all)
			for a in "${arch[@]}"; do
				array_build _ source_"$a" && correlation["source_$a"]=1
			done
			;;
		*)
			array_build _ source_"$CARCH" && correlation["source_$CARCH"]=1
			;;
	esac

	for integ in "${known_hash_algos[@]}"; do
		verify_integrity_sums "$integ" && unset "correlation[source]"

		case $1 in
			all)
				for a in "${arch[@]}"; do
					verify_integrity_sums "$integ" "$a" && unset "correlation[source_$a]"
				done
				;;
			*)
				verify_integrity_sums "$integ" "$CARCH" && unset "correlation[source_$CARCH]"
				;;
		esac
	done

	if (( ${#correlation[*]} )); then
		error "$(gettext "Integrity checks are missing.")"
		exit 1 # TODO: error code
	fi
}

parse_gpg_statusfile() {
	local type arg1 arg6 arg10

	while read -r _ type arg1 _ _ _ _ arg6 _ _ _ arg10 _; do
		case "$type" in
			GOODSIG)
				pubkey=$arg1
				success=1
				status="good"
				;;
			EXPSIG)
				pubkey=$arg1
				success=1
				status="expired"
				;;
			EXPKEYSIG)
				pubkey=$arg1
				success=1
				status="expiredkey"
				;;
			REVKEYSIG)
				pubkey=$arg1
				success=0
				status="revokedkey"
				;;
			BADSIG)
				pubkey=$arg1
				success=0
				status="bad"
				;;
			ERRSIG)
				pubkey=$arg1
				success=0
				if [[ $arg6 == 9 ]]; then
					status="missingkey"
				else
					status="error"
				fi
				;;
			VALIDSIG)
				if [[ $arg10 ]]; then
					# If the file was signed with a subkey, arg10 contains
					# the fingerprint of the primary key
					fingerprint=$arg10
				else
					fingerprint=$arg1
				fi
				;;
			TRUST_UNDEFINED|TRUST_NEVER)
				trusted=0
				;;
			TRUST_MARGINAL|TRUST_FULLY|TRUST_ULTIMATE)
				trusted=1
				;;
		esac
	done < "$1"
}

check_pgpsigs() {
	(( SKIPPGPCHECK )) && return 0
	! source_has_signatures && return 0

	msg "$(gettext "Verifying source file signatures with %s...")" "gpg"

	local file ext decompress found pubkey success status fingerprint trusted
	local warning=0
	local errors=0
	local statusfile=$(mktemp)
	local all_sources

	case $1 in
		all)
			get_all_sources 'all_sources'
			;;
		*)
			get_all_sources_for_arch 'all_sources'
			;;
	esac
	for file in "${all_sources[@]}"; do
		file="$(get_filename "$file")"
		if [[ $file != *.@(sig?(n)|asc) ]]; then
			continue
		fi

		printf "    %s ... " "${file%.*}" >&2

		if ! file="$(get_filepath "$file")"; then
			printf '%s\n' "$(gettext "SIGNATURE NOT FOUND")" >&2
			errors=1
			continue
		fi

		found=0
		for ext in "" gz bz2 xz lrz lzo Z; do
			if sourcefile="$(get_filepath "${file%.*}${ext:+.$ext}")"; then
				found=1
				break;
			fi
		done
		if (( ! found )); then
			printf '%s\n' "$(gettext "SOURCE FILE NOT FOUND")" >&2
			errors=1
			continue
		fi

		case "$ext" in
			gz)  decompress="gzip -c -d -f" ;;
			bz2) decompress="bzip2 -c -d -f" ;;
			xz)  decompress="xz -c -d" ;;
			lrz) decompress="lrzip -q -d" ;;
			lzo) decompress="lzop -c -d -q" ;;
			Z)   decompress="uncompress -c -f" ;;
			"")  decompress="cat" ;;
		esac

		$decompress < "$sourcefile" | gpg --quiet --batch --status-file "$statusfile" --verify "$file" - 2> /dev/null
		# these variables are assigned values in parse_gpg_statusfile
		success=0
		status=
		pubkey=
		fingerprint=
		trusted=
		parse_gpg_statusfile "$statusfile"
		if (( ! $success )); then
			printf '%s' "$(gettext "FAILED")" >&2
			case "$status" in
				"missingkey")
					printf ' (%s)' "$(gettext "unknown public key") $pubkey" >&2
					;;
				"revokedkey")
					printf " ($(gettext "public key %s has been revoked"))" "$pubkey" >&2
					;;
				"bad")
					printf ' (%s)' "$(gettext "bad signature from public key") $pubkey" >&2
					;;
				"error")
					printf ' (%s)' "$(gettext "error during signature verification")" >&2
					;;
			esac
			errors=1
		else
			if (( ${#validpgpkeys[@]} == 0 && !trusted )); then
				printf "%s ($(gettext "the public key %s is not trusted"))" $(gettext "FAILED") "$fingerprint" >&2
				errors=1
			elif (( ${#validpgpkeys[@]} > 0 )) && ! in_array "$fingerprint" "${validpgpkeys[@]}"; then
				printf "%s (%s %s)" "$(gettext "FAILED")" "$(gettext "invalid public key")" "$fingerprint"
				errors=1
			else
				printf '%s' "$(gettext "Passed")" >&2
				case "$status" in
					"expired")
						printf ' (%s)' "$(gettext "WARNING:") $(gettext "the signature has expired.")" >&2
						warnings=1
						;;
					"expiredkey")
						printf ' (%s)' "$(gettext "WARNING:") $(gettext "the key has expired.")" >&2
						warnings=1
						;;
				esac
			fi
		fi
		printf '\n' >&2
	done

	rm -f "$statusfile"

	if (( errors )); then
		error "$(gettext "One or more PGP signatures could not be verified!")"
		exit 1
	fi

	if (( warnings )); then
		warning "$(gettext "Warnings have occurred while verifying the signatures.")"
		plain "$(gettext "Please make sure you really trust them.")"
	fi
}

check_source_integrity() {
	if (( SKIPCHECKSUMS && SKIPPGPCHECK )); then
		warning "$(gettext "Skipping all source file integrity checks.")"
	elif (( SKIPCHECKSUMS )); then
		warning "$(gettext "Skipping verification of source file checksums.")"
		check_pgpsigs "$@"
	elif (( SKIPPGPCHECK )); then
		warning "$(gettext "Skipping verification of source file PGP signatures.")"
		check_checksums "$@"
	else
		check_checksums "$@"
		check_pgpsigs "$@"
	fi
}

extract_sources() {
	msg "$(gettext "Extracting sources...")"
	local netfile all_sources

	get_all_sources_for_arch 'all_sources'
	for netfile in "${all_sources[@]}"; do
		local file=$(get_filename "$netfile")
		local proto=$(get_protocol "$netfile")
		case "$proto" in
			bzr*)
				extract_bzr "$netfile"
				;;
			git*)
				extract_git "$netfile"
				;;
			hg*)
				extract_hg "$netfile"
				;;
			svn*)
				extract_svn "$netfile"
				;;
			*)
				extract_file "$file"
				;;
		esac
	done
}

error_function() {
	if [[ -p $logpipe ]]; then
		rm "$logpipe"
	fi
	# first exit all subshells, then print the error
	if (( ! BASH_SUBSHELL )); then
		error "$(gettext "A failure occurred in %s().")" "$1"
		plain "$(gettext "Aborting...")"
	fi
	exit 2 # $E_BUILD_FAILED
}

cd_safe() {
	if ! cd "$1"; then
		error "$(gettext "Failed to change to directory %s")" "$1"
		plain "$(gettext "Aborting...")"
		exit 1
	fi
}

source_safe() {
	shopt -u extglob
	if ! source "$@"; then
		error "$(gettext "Failed to source %s")" "$1"
		exit 1
	fi
	shopt -s extglob
}

merge_arch_attrs() {
	local attr supported_attrs=(
		provides conflicts depends replaces optdepends
		makedepends checkdepends)

	for attr in "${supported_attrs[@]}"; do
		eval "$attr+=(\"\${${attr}_$CARCH[@]}\")"
	done

	# ensure that calling this function is idempotent.
	unset -v "${supported_attrs[@]/%/_$CARCH}"
}

source_buildfile() {
	source_safe "$@"

	if (( !SOURCEONLY )); then
		merge_arch_attrs
	fi
}

run_function_safe() {
	local restoretrap

	set -e
	set -E

	restoretrap=$(trap -p ERR)
	trap 'error_function $pkgfunc' ERR

	run_function "$1"

	eval $restoretrap

	set +E
	set +e
}

run_function() {
	if [[ -z $1 ]]; then
		return 1
	fi
	local pkgfunc="$1"

	# clear user-specified buildflags if requested
	if check_option "buildflags" "n"; then
		unset CPPFLAGS CFLAGS CXXFLAGS LDFLAGS
	fi

	if check_option "debug" "y"; then
		CFLAGS+=" $DEBUG_CFLAGS"
		CXXFLAGS+=" $DEBUG_CXXFLAGS"
	fi

	# clear user-specified makeflags if requested
	if check_option "makeflags" "n"; then
		unset MAKEFLAGS
	fi

	msg "$(gettext "Starting %s()...")" "$pkgfunc"
	cd_safe "$srcdir"

	# ensure all necessary build variables are exported
	export CPPFLAGS CFLAGS CXXFLAGS LDFLAGS MAKEFLAGS CHOST
	# save our shell options so pkgfunc() can't override what we need
	local shellopts=$(shopt -p)

	local ret=0
	if (( LOGGING )); then
		local fullver=$(get_full_version)
		local BUILDLOG="$LOGDEST/${pkgbase}-${fullver}-${CARCH}-$pkgfunc.log"
		if [[ -f $BUILDLOG ]]; then
			local i=1
			while true; do
				if [[ -f $BUILDLOG.$i ]]; then
					i=$(($i +1))
				else
					break
				fi
			done
			mv "$BUILDLOG" "$BUILDLOG.$i"
		fi

		# ensure overridden package variables survive tee with split packages
		logpipe=$(mktemp -u "$LOGDEST/logpipe.XXXXXXXX")
		mkfifo "$logpipe"
		tee "$BUILDLOG" < "$logpipe" &
		local teepid=$!

		$pkgfunc &>"$logpipe"

		wait $teepid
		rm "$logpipe"
	else
		"$pkgfunc"
	fi
	# reset our shell options
	eval "$shellopts"
}

run_prepare() {
	run_function_safe "prepare"
}

run_build() {
	# use distcc if it is requested (check buildenv and PKGBUILD opts)
	if check_buildenv "distcc" "y" && ! check_option "distcc" "n"; then
		[[ -d /usr/lib/distcc/bin ]] && export PATH="/usr/lib/distcc/bin:$PATH"
		export DISTCC_HOSTS
	fi

	# use ccache if it is requested (check buildenv and PKGBUILD opts)
	if check_buildenv "ccache" "y" && ! check_option "ccache" "n"; then
		[[ -d /usr/lib/ccache/bin ]] && export PATH="/usr/lib/ccache/bin:$PATH"
	fi

	run_function_safe "build"
}

run_check() {
	run_function_safe "check"
}

run_package() {
	local pkgfunc
	if [[ -z $1 ]]; then
		pkgfunc="package"
	else
		pkgfunc="package_$1"
	fi

	run_function_safe "$pkgfunc"
}

build_id() {
	LANG=C readelf -n $1 | sed -n '/Build ID/ { s/.*: //p; q; }'
}

strip_file() {
	local binary=$1; shift

	if check_option "debug" "y"; then
		local bid=$(build_id "$binary")

		# has this file already been stripped
		if [[ -n "$bid" ]]; then
			if [[ -f "$dbgdir/.build-id/${bid:0:2}/${bid:2}.debug" ]]; then
				return
			fi
		elif [[ -f "$dbgdir/$binary.debug" ]]; then
			return
		fi

		mkdir -p "$dbgdir/${binary%/*}"
		objcopy --only-keep-debug "$binary" "$dbgdir/$binary.debug"
		objcopy --add-gnu-debuglink="$dbgdir/${binary#/}.debug" "$binary"

		# create any needed hardlinks
		while read -rd '' file ; do
			if [[ "${binary}" -ef "${file}" && ! -f "$dbgdir/${file}.debug" ]]; then
				mkdir -p "$dbgdir/${file%/*}"
				ln "$dbgdir/${binary}.debug" "$dbgdir/${file}.debug"
			fi
		done < <(find . -type f -perm -u+w -print0 2>/dev/null)

		if [[ -n "$bid" ]]; then
			local target
			mkdir -p "$dbgdir/.build-id/${bid:0:2}"

			target="../../../../../${binary#./}"
			target="${target/..\/..\/usr\/lib\/}"
			target="${target/..\/usr\/}"
			ln -s "$target" "$dbgdir/.build-id/${bid:0:2}/${bid:2}"

			target="../../${binary#./}.debug"
			ln -s "$target" "$dbgdir/.build-id/${bid:0:2}/${bid:2}.debug"
		fi
	fi

	strip $@ "$binary"
}

tidy_install() {
	cd_safe "$pkgdir"
	msg "$(gettext "Tidying install...")"

	if check_option "docs" "n" && [[ -n ${DOC_DIRS[*]} ]]; then
		msg2 "$(gettext "Removing doc files...")"
		rm -rf -- ${DOC_DIRS[@]}
	fi

	if check_option "purge" "y" && [[ -n ${PURGE_TARGETS[*]} ]]; then
		msg2 "$(gettext "Purging unwanted files...")"
		local pt
		for pt in "${PURGE_TARGETS[@]}"; do
			if [[ ${pt} = "${pt//\/}" ]]; then
				find . ! -type d -name "${pt}" -exec rm -f -- '{}' +
			else
				rm -f ${pt}
			fi
		done
	fi

	if check_option "libtool" "n"; then
		msg2 "$(gettext "Removing "%s" files...")" "libtool"
		find . ! -type d -name "*.la" -exec rm -f -- '{}' +
	fi

	if check_option "staticlibs" "n"; then
		msg2 "$(gettext "Removing static library files...")"
		local l
		while read -rd '' l; do
			if [[ -f "${l%.a}.so" || -h "${l%.a}.so" ]]; then
				rm "$l"
			fi
		done < <(find . ! -type d -name "*.a" -print0)
	fi

	if check_option "emptydirs" "n"; then
		msg2 "$(gettext "Removing empty directories...")"
		find . -depth -type d -exec rmdir '{}' + 2>/dev/null
	fi

	# check existence of backup files
	local file
	for file in "${backup[@]}"; do
		if [[ ! -f $file ]]; then
			warning "$(gettext "%s entry file not in package : %s")" "backup" "$file"
		fi
	done

	# check for references to the build and package directory
	if find "${pkgdir}" -type f -print0 | xargs -0 grep -q -I "${srcdir}" ; then
		warning "$(gettext "Package contains reference to %s")" "\$srcdir"
	fi
	if find "${pkgdir}" -type f -print0 | xargs -0 grep -q -I "${pkgdirbase}" ; then
		warning "$(gettext "Package contains reference to %s")" "\$pkgdir"
	fi

	if check_option "zipman" "y" && [[ -n ${MAN_DIRS[*]} ]]; then
		msg2 "$(gettext "Compressing man and info pages...")"
		local file files inode link
		while read -rd ' ' inode; do
			read file
			find ${MAN_DIRS[@]} -type l 2>/dev/null |
			while read -r link ; do
				if [[ "${file}" -ef "${link}" ]] ; then
					rm -f "$link" "${link}.gz"
					if [[ ${file%/*} = ${link%/*} ]]; then
						ln -s -- "${file##*/}.gz" "${link}.gz"
					else
						ln -s -- "/${file}.gz" "${link}.gz"
					fi
				fi
			done
			if [[ -z ${files[$inode]} ]]; then
				files[$inode]=$file
				gzip -9 -n -f "$file"
			else
				rm -f "$file"
				ln "${files[$inode]}.gz" "${file}.gz"
				chmod 644 "${file}.gz"
			fi
		done < <(find ${MAN_DIRS[@]} -type f \! -name "*.gz" \! -name "*.bz2" \
			-exec stat -c '%i %n' '{}' + 2>/dev/null)
	fi

	if check_option "strip" "y"; then
		msg2 "$(gettext "Stripping unneeded symbols from binaries and libraries...")"
		# make sure library stripping variables are defined to prevent excess stripping
		[[ -z ${STRIP_SHARED+x} ]] && STRIP_SHARED="-S"
		[[ -z ${STRIP_STATIC+x} ]] && STRIP_STATIC="-S"

		if check_option "debug" "y"; then
			dbgdir="$pkgdir-debug/usr/lib/debug"
			mkdir -p "$dbgdir"
		fi

		local binary strip_flags
		find . -type f -perm -u+w -print0 2>/dev/null | while read -rd '' binary ; do
			case "$(file -bi "$binary")" in
				*application/x-sharedlib*)  # Libraries (.so)
					strip_flags="$STRIP_SHARED";;
				*application/x-archive*)    # Libraries (.a)
					strip_flags="$STRIP_STATIC";;
				*application/x-object*)
					case "$binary" in
						*.ko)                   # Kernel module
							strip_flags="$STRIP_SHARED";;
						*)
							continue;;
					esac;;
				*application/x-executable*) # Binaries
					strip_flags="$STRIP_BINARIES";;
				*)
					continue ;;
			esac
			strip_file "$binary" ${strip_flags}
		done
	fi

	if check_option "upx" "y"; then
		msg2 "$(gettext "Compressing binaries with %s...")" "UPX"
		local binary
		find . -type f -perm -u+w 2>/dev/null | while read -r binary ; do
			if [[ $(file -bi "$binary") = *'application/x-executable'* ]]; then
				upx $UPXFLAGS "$binary" &>/dev/null ||
						warning "$(gettext "Could not compress binary : %s")" "${binary/$pkgdir\//}"
			fi
		done
	fi
}

find_libdepends() {
	local d sodepends;

	sodepends=0;
	for d in "${depends[@]}"; do
		if [[ $d = *.so ]]; then
			sodepends=1;
			break;
		fi
	done

	if (( sodepends == 0 )); then
		printf '%s\n' "${depends[@]}"
		return;
	fi

	local libdeps filename soarch sofile soname soversion;
	declare -A libdeps;

	while read -r 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="${sofile%.so?(+(.+([0-9])))}".so
			# extract the major version: 1
			soversion="${sofile##*\.so\.}"

			if [[ ${libdeps[$soname]} ]]; then
				if [[ ${libdeps[$soname]} != *${soversion}-${soarch}* ]]; then
					libdeps[$soname]+=" ${soversion}-${soarch}"
				fi
			else
				libdeps[$soname]="${soversion}-${soarch}"
			fi
		done
	done < <(find "$pkgdir" -type f -perm -u+x)

	local libdepends v
	for d in "${depends[@]}"; do
		case "$d" in
			*.so)
				if [[ ${libdeps[$d]} ]]; then
					for v in ${libdeps[$d]}; do
						libdepends+=("$d=$v")
					done
				else
					warning "$(gettext "Library listed in %s is not required by any files: %s")" "'depends'" "$d"
					libdepends+=("$d")
				fi
				;;
			*)
				libdepends+=("$d")
				;;
		esac
	done

	printf '%s\n' "${libdepends[@]}"
}


find_libprovides() {
	local p libprovides missing
	for p in "${provides[@]}"; do
		missing=0
		case "$p" in
			*.so)
				mapfile -t filename < <(find "$pkgdir" -type f -name $p\*)
				if [[ $filename ]]; then
					# packages may provide multiple versions of the same library
					for fn in "${filename[@]}"; do
						# check if we really have a shared object
						if LC_ALL=C readelf -h "$fn" 2>/dev/null | grep -q '.*Type:.*DYN (Shared object file).*'; then
							# get the string binaries link to (e.g. libfoo.so.1.2 -> libfoo.so.1)
							local sofile=$(LC_ALL=C readelf -d "$fn" 2>/dev/null | sed -n 's/.*Library soname: \[\(.*\)\].*/\1/p')
							if [[ -z "$sofile" ]]; then
								warning "$(gettext "Library listed in %s is not versioned: %s")" "'provides'" "$p"
								libprovides+=("$p")
								continue
							fi

							# get the library architecture (32 or 64 bit)
							local soarch=$(LC_ALL=C readelf -h "$fn" | sed -n 's/.*Class.*ELF\(32\|64\)/\1/p')

							# extract the library major version
							local soversion="${sofile##*\.so\.}"

							libprovides+=("${p}=${soversion}-${soarch}")
						else
							warning "$(gettext "Library listed in %s is not a shared object: %s")" "'provides'" "$p"
							libprovides+=("$p")
						fi
					done
				else
					libprovides+=("$p")
					missing=1
				fi
				;;
			*)
				libprovides+=("$p")
				;;
		esac

		if (( missing )); then
			warning "$(gettext "Cannot find library listed in %s: %s")" "'provides'" "$p"
		fi
	done

	printf '%s\n' "${libprovides[@]}"
}

srcinfo_open_section() {
	printf '%s = %s\n' "$1" "$2"
}

srcinfo_close_section() {
	echo
}

srcinfo_write_attr() {
	# $1: attr name
	# $2: attr values

	local attrname=$1 attrvalues=("${@:2}")

	# normalize whitespace, strip leading and trailing
	attrvalues=("${attrvalues[@]//+([[:space:]])/ }")
	attrvalues=("${attrvalues[@]#[[:space:]]}")
	attrvalues=("${attrvalues[@]%[[:space:]]}")

	printf "\t$attrname = %s\n" "${attrvalues[@]}"
}

pkgbuild_extract_to_srcinfo() {
	# $1: pkgname
	# $2: attr name
	# $3: multivalued

	local pkgname=$1 attrname=$2 isarray=$3 outvalue=

	if pkgbuild_get_attribute "$pkgname" "$attrname" "$isarray" 'outvalue'; then
		srcinfo_write_attr "$attrname" "${outvalue[@]}"
	fi
}

srcinfo_write_section_details() {
	local attr package_arch a
	local multivalued_arch_attrs=(source provides conflicts depends replaces
	                              optdepends makedepends checkdepends
	                              {md5,sha{1,224,256,384,512}}sums)

	for attr in "${singlevalued[@]}"; do
		pkgbuild_extract_to_srcinfo "$1" "$attr" 0
	done

	for attr in "${multivalued[@]}"; do
		pkgbuild_extract_to_srcinfo "$1" "$attr" 1
	done

	pkgbuild_get_attribute "$1" 'arch' 1 'package_arch'
	for a in "${package_arch[@]}"; do
		# 'any' is special. there's no support for, e.g. depends_any.
		[[ $a = any ]] && continue

		for attr in "${multivalued_arch_attrs[@]}"; do
			pkgbuild_extract_to_srcinfo "$1" "${attr}_$a" 1
		done
	done
}

srcinfo_write_global() {
	local singlevalued=(pkgdesc pkgver pkgrel epoch url install changelog)
	local multivalued=(arch groups license checkdepends makedepends
	                   depends optdepends provides conflicts replaces
	                   noextract options backup
	                   source {md5,sha{1,224,256,384,512}}sums)

	srcinfo_open_section 'pkgbase' "${pkgbase:-$pkgname}"
	srcinfo_write_section_details ''
	srcinfo_close_section
}

srcinfo_write_package() {
	local singlevalued=(pkgdesc url install changelog)
	local multivalued=(arch groups license checkdepends depends optdepends
	                   provides conflicts replaces options backup)

	srcinfo_open_section 'pkgname' "$1"
	srcinfo_write_section_details "$1"
	srcinfo_close_section
}

write_srcinfo() {
	local pkg

	printf "# Generated by makepkg %s\n" "$makepkg_version"
	printf "# %s\n" "$(LC_ALL=C date -u)"

	srcinfo_write_global

	for pkg in "${pkgname[@]}"; do
		srcinfo_write_package "$pkg"
	done
}

write_pkginfo() {
	local builddate=$(date -u "+%s")
	if [[ -n $PACKAGER ]]; then
		local packager="$PACKAGER"
	else
		local packager="Unknown Packager"
	fi

	local size="$(/usr/bin/du -sk --apparent-size)"
	size="$(( ${size%%[^0-9]*} * 1024 ))"

	merge_arch_attrs

	msg2 "$(gettext "Generating %s file...")" ".PKGINFO"
	printf "# Generated by makepkg %s\n" "$makepkg_version"
	printf "# using %s\n" "$(fakeroot -v)"
	printf "# %s\n" "$(LC_ALL=C date -u)"

	printf "pkgname = %s\n" "$pkgname"
	if (( SPLITPKG )) || [[ "$pkgbase" != "$pkgname" ]]; then
		printf "pkgbase = %s\n" "$pkgbase"
	fi

	local fullver=$(get_full_version)
	printf "pkgver = %s\n" "$fullver"
	if [[ "$fullver" != "$basever" ]]; then
		printf "basever = %s\n" "$basever"
	fi

	# TODO: all fields should have this treatment
	local spd="${pkgdesc//+([[:space:]])/ }"
	spd=("${spd[@]#[[:space:]]}")
	spd=("${spd[@]%[[:space:]]}")

	printf "pkgdesc = %s\n" "$spd"
	printf "url = %s\n" "$url"
	printf "builddate = %s\n" "$builddate"
	printf "packager = %s\n" "$packager"
	printf "size = %s\n" "$size"
	printf "arch = %s\n" "$pkgarch"

	mapfile -t provides < <(find_libprovides)
	mapfile -t depends < <(find_libdepends)

	[[ $license ]]      && printf "license = %s\n"     "${license[@]}"
	[[ $replaces ]]     && printf "replaces = %s\n"    "${replaces[@]}"
	[[ $groups ]]       && printf "group = %s\n"       "${groups[@]}"
	[[ $conflicts ]]    && printf "conflict = %s\n"    "${conflicts[@]}"
	[[ $provides ]]     && printf "provides = %s\n"    "${provides[@]}"
	[[ $backup ]]       && printf "backup = %s\n"      "${backup[@]}"
	[[ $depends ]]      && printf "depend = %s\n"      "${depends[@]}"
	[[ $optdepends ]]   && printf "optdepend = %s\n"   "${optdepends[@]//+([[:space:]])/ }"
	[[ $makedepends ]]  && printf "makedepend = %s\n"  "${makedepends[@]}"
	[[ $checkdepends ]] && printf "checkdepend = %s\n" "${checkdepends[@]}"

	local it
	for it in "${packaging_options[@]}"; do
		check_option "$it" "y"
		case $? in
			0)
				printf "makepkgopt = %s\n" "$it"
				;;
			1)
				printf "makepkgopt = %s\n" "!$it"
				;;
		esac
	done
}

create_package() {
	(( NOARCHIVE )) && return

	if [[ ! -d $pkgdir ]]; then
		error "$(gettext "Missing %s directory.")" "\$pkgdir/"
		plain "$(gettext "Aborting...")"
		exit 1 # $E_MISSING_PKGDIR
	fi

	cd_safe "$pkgdir"
	msg "$(gettext "Creating package \"%s\"...")" "$pkgname"

	pkgarch=$(get_pkg_arch)
	write_pkginfo > .PKGINFO

	local comp_files=('.PKGINFO')

	# check for changelog/install files
	for i in 'changelog/.CHANGELOG' 'install/.INSTALL'; do
		IFS='/' read -r orig dest < <(printf '%s\n' "$i")

		if [[ -n ${!orig} ]]; then
			msg2 "$(gettext "Adding %s file...")" "$orig"
			if ! cp "$startdir/${!orig}" "$dest"; then
				error "$(gettext "Failed to add %s file to package.")" "$orig"
				exit 1
			fi
			chmod 644 "$dest"
			comp_files+=("$dest")
		fi
	done

	# tar it up
	local fullver=$(get_full_version)
	local pkg_file="$PKGDEST/${pkgname}-${fullver}-${pkgarch}${PKGEXT}"
	local ret=0

	[[ -f $pkg_file ]] && rm -f "$pkg_file"
	[[ -f $pkg_file.sig ]] && rm -f "$pkg_file.sig"

	# when fileglobbing, we want * in an empty directory to expand to
	# the null string rather than itself
	shopt -s nullglob

	msg2 "$(gettext "Generating .MTREE file...")"
	LANG=C bsdtar -czf .MTREE --format=mtree \
		--options='!all,use-set,type,uid,gid,mode,time,size,md5,sha256,link' \
		"${comp_files[@]}" *
	comp_files+=(".MTREE")

	msg2 "$(gettext "Compressing package...")"
	# TODO: Maybe this can be set globally for robustness
	shopt -s -o pipefail
	# bsdtar's gzip compression always saves the time stamp, making one
	# archive created using the same command line distinct from another.
	# Disable bsdtar compression and use gzip -n for now.
	LANG=C bsdtar -cf - "${comp_files[@]}" * |
	case "$PKGEXT" in
		*tar.gz)  ${COMPRESSGZ[@]:-gzip -c -f -n} ;;
		*tar.bz2) ${COMPRESSBZ2[@]:-bzip2 -c -f} ;;
		*tar.xz)  ${COMPRESSXZ[@]:-xz -c -z -} ;;
		*tar.lrz) ${COMPRESSLRZ[@]:-lrzip -q} ;;
		*tar.lzo) ${COMPRESSLZO[@]:-lzop -q} ;;
		*tar.Z)   ${COMPRESSZ[@]:-compress -c -f} ;;
		*tar)     cat ;;
		*) warning "$(gettext "'%s' is not a valid archive extension.")" \
			"$PKGEXT"; cat ;;
	esac > "${pkg_file}" || ret=$?

	shopt -u nullglob
	shopt -u -o pipefail

	if (( ret )); then
		error "$(gettext "Failed to create package file.")"
		exit 1 # TODO: error code
	fi

	create_signature "$pkg_file"

	if (( ! ret )) && [[ ! "$PKGDEST" -ef "${startdir}" ]]; then
		rm -f "${pkg_file/$PKGDEST/$startdir}"
		ln -s "${pkg_file}" "${pkg_file/$PKGDEST/$startdir}"
		ret=$?
		if [[ -f $pkg_file.sig ]]; then
			rm -f "${pkg_file/$PKGDEST/$startdir}.sig"
			ln -s "$pkg_file.sig" "${pkg_file/$PKGDEST/$startdir}.sig"
		fi
	fi

	if (( ret )); then
		warning "$(gettext "Failed to create symlink to package file.")"
	fi
}

create_debug_package() {
	# check if a debug package was requested
	if ! check_option "debug" "y" || ! check_option "strip" "y"; then
		return
	fi

	pkgdir="${pkgdir}-debug"

	# check if we have any debug symbols to package
	if dir_is_empty "$pkgdir/usr/lib/debug"; then
		return
	fi

	depends=("$pkgname=$(get_full_version)")
	pkgdesc="Detached debugging symbols for $pkgname"
	pkgname=$pkgname-debug

	unset groups optdepends provides conflicts replaces backup install changelog

	create_package
}

create_signature() {
	if [[ $SIGNPKG != 'y' ]]; then
		return
	fi
	local ret=0
	local filename="$1"
	msg "$(gettext "Signing package...")"

	local SIGNWITHKEY=""
	if [[ -n $GPGKEY ]]; then
		SIGNWITHKEY="-u ${GPGKEY}"
	fi

	gpg --detach-sign --use-agent ${SIGNWITHKEY} --no-armor "$filename" &>/dev/null || ret=$?


	if (( ! ret )); then
		msg2 "$(gettext "Created signature file %s.")" "$filename.sig"
	else
		warning "$(gettext "Failed to sign package file.")"
	fi
}

create_srcpackage() {
	local ret=0
	msg "$(gettext "Creating source package...")"
	local srclinks="$(mktemp -d "$startdir"/srclinks.XXXXXXXXX)"
	mkdir "${srclinks}"/${pkgbase}

	msg2 "$(gettext "Adding %s...")" "$BUILDSCRIPT"
	ln -s "${BUILDFILE}" "${srclinks}/${pkgbase}/${BUILDSCRIPT}"

	msg2 "$(gettext "Generating %s file...")" .SRCINFO
	write_srcinfo > "$srclinks/$pkgbase"/.SRCINFO

	local file all_sources

	get_all_sources 'all_sources'
	for file in "${all_sources[@]}"; do
		if [[ "$file" = "$(get_filename "$file")" ]] || (( SOURCEONLY == 2 )); then
			local absfile
			absfile=$(get_filepath "$file") || missing_source_file "$file"
			msg2 "$(gettext "Adding %s...")" "${absfile##*/}"
			ln -s "$absfile" "$srclinks/$pkgbase"
		fi
	done

	local i
	for i in 'changelog' 'install'; do
		local file files

		[[ ${!i} ]] && files+=("${!i}")
		for name in "${pkgname[@]}"; do
			if extract_function_var "package_$name" "$i" 0 file; then
				files+=("$file")
			fi
		done

		for file in "${files[@]}"; do
			if [[ $file && ! -f "${srclinks}/${pkgbase}/$file" ]]; then
				msg2 "$(gettext "Adding %s file (%s)...")" "$i" "${file}"
				ln -s "${startdir}/$file" "${srclinks}/${pkgbase}/"
			fi
		done
	done

	local TAR_OPT
	case "$SRCEXT" in
		*tar.gz)  TAR_OPT="-z" ;;
		*tar.bz2) TAR_OPT="-j" ;;
		*tar.xz)  TAR_OPT="-J" ;;
		*tar.lrz) TAR_OPT="--lrzip" ;;
		*tar.lzo) TAR_OPT="--lzop" ;;
		*tar.Z)   TAR_OPT="-Z" ;;
		*tar)     TAR_OPT=""  ;;
		*) warning "$(gettext "'%s' is not a valid archive extension.")" \
		"$SRCEXT" ;;
	esac

	local fullver=$(get_full_version)
	local pkg_file="$SRCPKGDEST/${pkgbase}-${fullver}${SRCEXT}"

	# tar it up
	msg2 "$(gettext "Compressing source package...")"
	cd_safe "${srclinks}"
	if ! LANG=C bsdtar -cL ${TAR_OPT} -f "$pkg_file" ${pkgbase}; then
		error "$(gettext "Failed to create source package file.")"
		exit 1 # TODO: error code
	fi

	create_signature "$pkg_file"

	if [[ ! "$SRCPKGDEST" -ef "${startdir}" ]]; then
		rm -f "${pkg_file/$SRCPKGDEST/$startdir}"
		ln -s "${pkg_file}" "${pkg_file/$SRCPKGDEST/$startdir}"
		ret=$?
		if [[ -f $pkg_file.sig ]]; then
			rm -f "${pkg_file/$PKGDEST/$startdir}.sig"
			ln -s "$pkg_file.sig" "${pkg_file/$PKGDEST/$startdir}.sig"
		fi
	fi

	if (( ret )); then
		warning "$(gettext "Failed to create symlink to source package file.")"
	fi

	cd_safe "${startdir}"
	rm -rf "${srclinks}"
}

# this function always returns 0 to make sure clean-up will still occur
install_package() {
	(( ! INSTALL )) && return

	if (( ! SPLITPKG )); then
		msg "$(gettext "Installing package %s with %s...")" "$pkgname" "$PACMAN -U"
	else
		msg "$(gettext "Installing %s package group with %s...")" "$pkgbase" "$PACMAN -U"
	fi

	local fullver pkgarch pkg pkglist
	(( ASDEPS )) && pkglist+=('--asdeps')
	(( NEEDED )) && pkglist+=('--needed')

	for pkg in ${pkgname[@]}; do
		fullver=$(get_full_version)
		pkgarch=$(get_pkg_arch $pkg)
		pkglist+=("$PKGDEST/${pkg}-${fullver}-${pkgarch}${PKGEXT}")

		if [[ -f "$PKGDEST/${pkg}-debug-${fullver}-${pkgarch}${PKGEXT}" ]]; then
			pkglist+=("$PKGDEST/${pkg}-debug-${fullver}-${pkgarch}${PKGEXT}")
		fi
	done

	if ! run_pacman -U "${pkglist[@]}"; then
		warning "$(gettext "Failed to install built package(s).")"
		return 0
	fi
}

have_function() {
	declare -f "$1" >/dev/null
}

array_build() {
	local dest=$1 src=$2 i keys values

	# it's an error to try to copy a value which doesn't exist.
	declare -p "$2" &>/dev/null || return 1

	# Build an array of the indicies of the source array.
	eval "keys=(\"\${!$2[@]}\")"

	# Clear the destination array
	eval "$dest=()"

	# Read values indirectly via their index. This approach gives us support
	# for associative arrays, sparse arrays, and empty strings as elements.
	for i in "${keys[@]}"; do
		values+=("printf -v '$dest[$i]' %s \"\${$src[$i]}\";")
	done

	eval "${values[*]}"
}

funcgrep() {
	{ declare -f "$1" || declare -f package; } 2>/dev/null | grep -E "$2"
}

extract_global_var() {
	# $1: variable name
	# $2: multivalued
	# $3: name of output var

	local attr=$1 isarray=$2 outputvar=$3 ref

	if (( isarray )); then
		array_build ref "$attr"
		[[ ${ref[@]} ]] && array_build "$outputvar" "$attr"
	else
		[[ ${!attr} ]] && printf -v "$outputvar" %s "${!attr}"
	fi
}

extract_function_var() {
	# $1: function name
	# $2: variable name
	# $3: multivalued
	# $4: name of output var

	local funcname=$1 attr=$2 isarray=$3 outputvar=$4 attr_regex= decl= r=1

	if (( isarray )); then
		printf -v attr_regex '^[[:space:]]* %s\+?=\(' "$2"
	else
		printf -v attr_regex '^[[:space:]]* %s\+?=[^(]' "$2"
	fi

	while read -r; do
		# strip leading whitespace and any usage of declare
		decl=${REPLY##*([[:space:]])}
		eval "${decl/#$attr/$outputvar}"

		# entering this loop at all means we found a match, so notify the caller.
		r=0
	done < <(funcgrep "$funcname" "$attr_regex")

	return $r
}

pkgbuild_get_attribute() {
	# $1: package name
	# $2: attribute name
	# $3: multivalued
	# $4: name of output var

	local pkgname=$1 attrname=$2 isarray=$3 outputvar=$4

	printf -v "$outputvar" %s ''

	if [[ $pkgname ]]; then
		extract_global_var "$attrname" "$isarray" "$outputvar"
		extract_function_var "package_$pkgname" "$attrname" "$isarray" "$outputvar"
	else
		extract_global_var "$attrname" "$isarray" "$outputvar"
	fi
}

lint_pkgbase() {
	if [[ ${pkgbase:0:1} = "-" ]]; then
		error "$(gettext "%s is not allowed to start with a hyphen.")" "pkgname"
		return 1
	fi
}

lint_pkgname() {
	local ret=0 i

	for i in "${pkgname[@]}"; do
		if [[ -z $i ]]; then
			error "$(gettext "%s is not allowed to be empty.")" "pkgname"
			ret=1
			continue
		fi
		if [[ ${i:0:1} = "-" ]]; then
			error "$(gettext "%s is not allowed to start with a hyphen.")" "pkgname"
			ret=1
		fi
		if [[ ${i:0:1} = "." ]]; then
			error "$(gettext "%s is not allowed to start with a dot.")" "pkgname"
			ret=1
		fi
		if [[ $i = *[^[:alnum:]+_.@-]* ]]; then
			error "$(gettext "%s contains invalid characters: '%s'")" \
					'pkgname' "${i//[[:alnum:]+_.@-]}"
			ret=1
		fi
	done

	return $ret
}

lint_pkgrel() {
	if [[ -z $pkgrel ]]; then
		error "$(gettext "%s is not allowed to be empty.")" "pkgrel"
		return 1
	fi

	if [[ $pkgrel != +([0-9])?(.+([0-9])) ]]; then
		error "$(gettext "%s must be a decimal, not %s.")" "pkgrel" "$pkgrel"
		return 1
	fi
}

lint_pkgver() {
	if (( PKGVERFUNC )); then
		# defer check to after getting version from pkgver function
		return 0
	fi

	check_pkgver
}

lint_epoch() {
	if [[ $epoch != *([[:digit:]]) ]]; then
		error "$(gettext "%s must be an integer, not %s.")" "epoch" "$epoch"
		return 1
	fi
}

lint_arch() {
	local a name list

	if [[ $arch == 'any' ]]; then
		return 0
	fi

	for a in "${arch[@]}"; do
		if [[ $a = *[![:alnum:]_]* ]]; then
			error "$(gettext "%s contains invalid characters: '%s'")" \
					'arch' "${a//[[:alnum:]_]}"
			ret=1
		fi
	done

	if (( ! IGNOREARCH )) && ! in_array "$CARCH" "${arch[@]}"; then
		error "$(gettext "%s is not available for the '%s' architecture.")" "$pkgbase" "$CARCH"
		plain "$(gettext "Note that many packages may need a line added to their %s")" "$BUILDSCRIPT"
		plain "$(gettext "such as %s.")" "arch=('$CARCH')"
		return 1
	fi

	for name in "${pkgname[@]}"; do
		pkgbuild_get_attribute "$name" 'arch' 1 list
		if [[ $list && $list != 'any' ]] && ! in_array $CARCH "${list[@]}"; then
			if (( ! IGNOREARCH )); then
				error "$(gettext "%s is not available for the '%s' architecture.")" "$name" "$CARCH"
				ret=1
			fi
		fi
	done
}

lint_provides() {
	local a list name provides_list ret=0

	provides_list=("${provides[@]}")
	for a in "${arch[@]}"; do
		array_build list "provides_$a"
		provides_list+=("${list[@]}")
	done

	for name in "${pkgname[@]}"; do
		if extract_function_var "package_$name" provides 1 list; then
			provides_list+=("${list[@]}")
		fi

		for a in "${arch[@]}"; do
			if extract_function_var "package_$name" "provides_$a" 1 list; then
				provides_list+=("${list[@]}")
			fi
		done
	done

	for provide in "${provides_list[@]}"; do
		if [[ $provide == *['<>']* ]]; then
			error "$(gettext "%s array cannot contain comparison (< or >) operators.")" "provides"
			ret=1
		fi
	done

	return $ret
}

lint_backup() {
	local list name backup_list ret=0

	backup_list=("${backup[@]}")
	for name in "${pkgname[@]}"; do
		if extract_function_var "package_$name" backup 1 list; then
			backup_list+=("${list[@]}")
		fi
	done

	for name in "${backup_list[@]}"; do
		if [[ ${name:0:1} = "/" ]]; then
			error "$(gettext "%s entry should not contain leading slash : %s")" "backup" "$name"
			ret=1
		fi
	done

	return $ret
}

lint_optdepends() {
	local a list name optdepends_list ret=0

	optdepends_list=("${optdepends[@]}")
	for a in "${arch[@]}"; do
		array_build list "optdepends_$a"
		optdepends_list+=("${list[@]}")
	done

	for name in "${pkgname[@]}"; do
		if extract_function_var "package_$name" optdepends 1 list; then
			optdepends_list+=("${list[@]}")
		fi

		for a in "${arch[@]}"; do
			if extract_function_var "package_$name" "optdepends_$a" 1 list; then
				optdepends_list+=("${list[@]}")
			fi
		done
	done

	for name in "${optdepends_list[@]}"; do
		local pkg=${name%%:[[:space:]]*}
		# the '-' character _must_ be first or last in the character range
		if [[ $pkg != +([-[:alnum:]><=.+_:]) ]]; then
			error "$(gettext "Invalid syntax for %s: '%s'")" "optdepend" "$name"
			ret=1
		fi
	done

	return $ret
}

check_files_exist() {
	local kind=$1 files=("${@:2}") file ret

	for file in "${files[@]}"; do
		if [[ $file && ! -f $file ]]; then
			error "$(gettext "%s file (%s) does not exist or is not a regular file.")" \
				"$kind" "$file"
			ret=1
		fi
	done

	return $ret
}

lint_install() {
	local list file name install_list ret=0

	install_list=("${install[@]}")
	for name in "${pkgname[@]}"; do
		extract_function_var "package_$name" install 0 file
		install_list+=("$file")
	done

	check_files_exist 'install' "${install_list[@]}"
}

lint_changelog() {
	local list name file changelog_list ret=0

	changelog_list=("${changelog[@]}")
	for name in "${pkgname[@]}"; do
		if extract_function_var "package_$name" changelog 0 file; then
			changelog_list+=("$file")
		fi
	done

	check_files_exist 'changelog' "${changelog_list[@]}"
}

lint_options() {
	local ret=0 list name kopt options_list

	options_list=("${options[@]}")
	for name in "${pkgname[@]}"; do
		if extract_function_var "package_$name" options 1 list; then
			options_list+=("${list[@]}")
		fi
	done

	for i in "${options_list[@]}"; do
		# check if option matches a known option or its inverse
		for kopt in "${packaging_options[@]}" "${other_options[@]}"; do
			if [[ $i = "$kopt" || $i = "!$kopt" ]]; then
				# continue to the next $i
				continue 2
			fi
		done

		error "$(gettext "%s array contains unknown option '%s'")" "options" "$i"
		ret=1
	done

	return $ret
}

lint_source() {
	local idx=("${!source[@]}")

	if (( ${#source[*]} > 0 && (idx[-1] + 1) != ${#source[*]} )); then
		error "$(gettext "Sparse arrays are not allowed for source")"
		return 1
	fi
}

lint_pkglist() {
	local i ret=0

	for i in "${PKGLIST[@]}"; do
		if ! in_array "$i" "${pkgname[@]}"; then
			error "$(gettext "Requested package %s is not provided in %s")" "$i" "$BUILDFILE"
			ret=1
		fi
	done

	return $ret
}

lint_packagefn() {
	local i ret=0

	if (( ${#pkgname[@]} == 1 )); then
		if have_function 'build' && ! { have_function 'package' || have_function "package_$pkgname"; }; then
			error "$(gettext "Missing %s function in %s")" "package()" "$BUILDFILE"
			ret=1
		fi
	else
		for i in "${pkgname[@]}"; do
			if ! have_function "package_$i"; then
				error "$(gettext "Missing %s function for split package '%s'")" "package_$i()" "$i"
				ret=1
			fi
		done
	fi

	return $ret
}

check_sanity() {
	# check for no-no's in the build script
	local ret=0
	local lintfn lint_functions

	lint_functions=(
		lint_pkgbase
		lint_pkgname
		lint_pkgver
		lint_pkgrel
		lint_epoch
		lint_arch
		lint_provides
		lint_backup
		lint_optdepends
		lint_changelog
		lint_install
		lint_options
		lint_packagefn
		lint_pkglist
		lint_source
	)

	for lintfn in "${lint_functions[@]}"; do
		"$lintfn" || ret=1
	done

	return $ret
}

validate_pkgver() {
	if [[ $1 = *[[:space:]:-]* ]]; then
		error "$(gettext "%s is not allowed to contain colons, hyphens or whitespace.")" "pkgver"
		return 1
	fi
}

check_pkgver() {
	if [[ -z ${pkgver} ]]; then
		error "$(gettext "%s is not allowed to be empty.")" "pkgver"
		return 1
	fi

	validate_pkgver "$pkgver"
}

get_vcsclient() {
	local proto=${1%%+*}

	local i
	for i in "${VCSCLIENTS[@]}"; do
		local handler="${i%%::*}"
		if [[ $proto = "$handler" ]]; then
			local client="${i##*::}"
			break
		fi
	done

	# if we didn't find an client, return an error
	if [[ -z $client ]]; then
		error "$(gettext "Unknown download protocol: %s")" "$proto"
		plain "$(gettext "Aborting...")"
		exit 1 # $E_CONFIG_ERROR
	fi

	printf "%s\n" "$client"
}

check_vcs_software() {
	local all_sources all_deps deps ret=0

	if (( SOURCEONLY == 1 )); then
		# we will not download VCS sources
		return $ret
	fi

	if [[ -z $PACMAN_PATH ]]; then
		warning "$(gettext "Cannot find the %s binary needed to check VCS source requirements.")" "$PACMAN"
		return $ret
	fi

	# we currently only use global depends/makedepends arrays for --syncdeps
	for attr in depends makedepends; do
		pkgbuild_get_attribute "$pkg" "$attr" 1 'deps'
		all_deps+=("${deps[@]}")

		pkgbuild_get_attribute "$pkg" "${attr}_$CARCH" 1 'deps'
		all_deps+=("${deps[@]}")
	done

	get_all_sources_for_arch 'all_sources'
	for netfile in ${all_sources[@]}; do
		local proto=$(get_protocol "$netfile")

		case $proto in
			bzr*|git*|hg*|svn*)
				if ! type -p ${proto%%+*} > /dev/null; then
					local client
					client=$(get_vcsclient "$proto") || exit $?
					# ensure specified program is installed
					local uninstalled
					uninstalled="$(set +E; check_deps $client)" || exit 1
					# if not installed, check presence in depends or makedepends
					if [[ -n "$uninstalled" ]] && (( ! NODEPS || ( VERIFYSOURCE && !DEP_BIN ) )); then
						if ! in_array "$client" ${all_deps[@]}; then
							error "$(gettext "Cannot find the %s package needed to handle %s sources.")" \
									"$client" "${proto%%+*}"
							ret=1
						fi
					fi
				fi
				;;
			*)
				# non VCS source
				;;
		esac
	done

	return $ret
}

check_software() {
	# check for needed software
	local ret=0

	# check for PACMAN if we need it
	if (( ! NODEPS || DEP_BIN || RMDEPS || INSTALL )); then
		if [[ -z $PACMAN_PATH ]]; then
			error "$(gettext "Cannot find the %s binary required for dependency operations.")" "$PACMAN"
			ret=1
		fi
	fi

	# check for sudo if we will need it during makepkg execution
	if (( DEP_BIN || RMDEPS || INSTALL )); then
		if ! type -p sudo >/dev/null; then
			warning "$(gettext "Cannot find the %s binary. Will use %s to acquire root privileges.")" "sudo" "su"
		fi
	fi

	# fakeroot - correct package file permissions
	if check_buildenv "fakeroot" "y" && (( EUID > 0 )); then
		if ! type -p fakeroot >/dev/null; then
			error "$(gettext "Cannot find the %s binary.")" "fakeroot"
			ret=1
		fi
	fi

	# gpg - package signing
	if [[ $SIGNPKG == 'y' ]] || { [[ -z $SIGNPKG ]] && check_buildenv "sign" "y"; }; then
		if ! type -p gpg >/dev/null; then
			error "$(gettext "Cannot find the %s binary required for signing packages.")" "gpg"
			ret=1
		fi
	fi

	# gpg - source verification
	if (( ! SKIPPGPCHECK )) && source_has_signatures; then
		if ! type -p gpg >/dev/null; then
			error "$(gettext "Cannot find the %s binary required for verifying source files.")" "gpg"
			ret=1
		fi
	fi

	# openssl - checksum operations
	if (( ! SKIPCHECKSUMS )); then
		if ! type -p openssl >/dev/null; then
			error "$(gettext "Cannot find the %s binary required for validating sourcefile checksums.")" "openssl"
			ret=1
		fi
	fi

	# upx - binary compression
	if check_option "upx" "y"; then
		if ! type -p upx >/dev/null; then
			error "$(gettext "Cannot find the %s binary required for compressing binaries.")" "upx"
			ret=1
		fi
	fi

	# distcc - compilation with distcc
	if check_buildenv "distcc" "y" && ! check_option "distcc" "n"; then
		if ! type -p distcc >/dev/null; then
			error "$(gettext "Cannot find the %s binary required for distributed compilation.")" "distcc"
			ret=1
		fi
	fi

	# ccache - compilation with ccache
	if check_buildenv "ccache" "y" && ! check_option "ccache" "n"; then
		if ! type -p ccache >/dev/null; then
			error "$(gettext "Cannot find the %s binary required for compiler cache usage.")" "ccache"
			ret=1
		fi
	fi

	# strip - strip symbols from binaries/libraries
	if check_option "strip" "y"; then
		if ! type -p strip >/dev/null; then
			error "$(gettext "Cannot find the %s binary required for object file stripping.")" "strip"
			ret=1
		fi
	fi

	# gzip - compressig man and info pages
	if check_option "zipman" "y"; then
		if ! type -p gzip >/dev/null; then
			error "$(gettext "Cannot find the %s binary required for compressing man and info pages.")" "gzip"
			ret=1
		fi
	fi

	# tools to download vcs sources
	if ! check_vcs_software; then
		ret=1
	fi

	return $ret
}

check_build_status() {
	if (( ! SPLITPKG )); then
		fullver=$(get_full_version)
		pkgarch=$(get_pkg_arch)
		if [[ -f $PKGDEST/${pkgname}-${fullver}-${pkgarch}${PKGEXT} ]] \
				 && ! (( FORCE || SOURCEONLY || NOBUILD || NOARCHIVE)); then
			if (( INSTALL )); then
				warning "$(gettext "A package has already been built, installing existing package...")"
				install_package
				exit 0
			else
				error "$(gettext "A package has already been built. (use %s to overwrite)")" "-f"
				exit 1
			fi
		fi
	else
		allpkgbuilt=1
		somepkgbuilt=0
		for pkg in ${pkgname[@]}; do
			fullver=$(get_full_version)
			pkgarch=$(get_pkg_arch $pkg)
			if [[ -f $PKGDEST/${pkg}-${fullver}-${pkgarch}${PKGEXT} ]]; then
				somepkgbuilt=1
			else
				allpkgbuilt=0
			fi
		done
		if ! (( FORCE || SOURCEONLY || NOBUILD || NOARCHIVE)); then
			if (( allpkgbuilt )); then
				if (( INSTALL )); then
					warning "$(gettext "The package group has already been built, installing existing packages...")"
					install_package
					exit 0
				else
					error "$(gettext "The package group has already been built. (use %s to overwrite)")" "-f"
					exit 1
				fi
			fi
			if (( somepkgbuilt && ! PKGVERFUNC )); then
				error "$(gettext "Part of the package group has already been built. (use %s to overwrite)")" "-f"
				exit 1
			fi
		fi
		unset allpkgbuilt somepkgbuilt
	fi
}

backup_package_variables() {
	local var
	for var in ${splitpkg_overrides[@]}; do
		local indirect="${var}_backup"
		eval "${indirect}=(\"\${$var[@]}\")"
	done
}

restore_package_variables() {
	local var
	for var in ${splitpkg_overrides[@]}; do
		local indirect="${var}_backup"
		if [[ -n ${!indirect} ]]; then
			eval "${var}=(\"\${$indirect[@]}\")"
		else
			unset ${var}
		fi
	done
}

run_split_packaging() {
	local pkgname_backup=${pkgname[@]}
	for pkgname in ${pkgname_backup[@]}; do
		pkgdir="$pkgdirbase/$pkgname"
		mkdir "$pkgdir"
		backup_package_variables
		run_package $pkgname
		tidy_install
		create_package
		create_debug_package
		restore_package_variables
	done
	pkgname=${pkgname_backup[@]}
}

# Canonicalize a directory path if it exists
canonicalize_path() {
	local path="$1";

	if [[ -d $path ]]; then
		(
			cd_safe "$path"
			pwd -P
		)
	else
		printf "%s\n" "$path"
	fi
}

dir_is_empty() {
	(
		shopt -s dotglob nullglob
		files=("$1"/*)
		(( ${#files} == 0 ))
	)
}

# getopt-like parser
parseopts() {
	local opt= optarg= i= shortopts=$1
	local -a longopts=() unused_argv=()

	shift
	while [[ $1 && $1 != '--' ]]; do
		longopts+=("$1")
		shift
	done
	shift

	longoptmatch() {
		local o longmatch=()
		for o in "${longopts[@]}"; do
			if [[ ${o%:} = "$1" ]]; then
				longmatch=("$o")
				break
			fi
			[[ ${o%:} = "$1"* ]] && longmatch+=("$o")
		done

		case ${#longmatch[*]} in
			1)
				# success, override with opt and return arg req (0 == none, 1 == required)
				opt=${longmatch%:}
				if [[ $longmatch = *: ]]; then
					return 1
				else
					return 0
				fi ;;
			0)
				# fail, no match found
				return 255 ;;
			*)
				# fail, ambiguous match
				printf "makepkg: $(gettext "option '%s' is ambiguous; possibilities:")" "--$1"
				printf " '%s'" "${longmatch[@]%:}"
				printf '\n'
				return 254 ;;
		esac >&2
	}

	while (( $# )); do
		case $1 in
			--) # explicit end of options
				shift
				break
				;;
			-[!-]*) # short option
				for (( i = 1; i < ${#1}; i++ )); do
					opt=${1:i:1}

					# option doesn't exist
					if [[ $shortopts != *$opt* ]]; then
						printf "makepkg: $(gettext "invalid option") -- '%s'\n" "$opt" >&2
						OPTRET=(--)
						return 1
					fi

					OPTRET+=("-$opt")
					# option requires optarg
					if [[ $shortopts = *$opt:* ]]; then
						# if we're not at the end of the option chunk, the rest is the optarg
						if (( i < ${#1} - 1 )); then
							OPTRET+=("${1:i+1}")
							break
						# if we're at the end, grab the the next positional, if it exists
						elif (( i == ${#1} - 1 )) && [[ $2 ]]; then
							OPTRET+=("$2")
							shift
							break
						# parse failure
						else
							printf "makepkg: $(gettext "option requires an argument") -- '%s'\n" "$opt" >&2
							OPTRET=(--)
							return 1
						fi
					fi
				done
				;;
			--?*=*|--?*) # long option
				IFS='=' read -r opt optarg <<< "${1#--}"
				longoptmatch "$opt"
				case $? in
					0)
						# parse failure
						if [[ $optarg ]]; then
							printf "makepkg: $(gettext "option '%s' does not allow an argument")\n" "--$opt" >&2
							OPTRET=(--)
							return 1
						# --longopt
						else
							OPTRET+=("--$opt")
						fi
						;;
					1)
						# --longopt=optarg
						if [[ $optarg ]]; then
							OPTRET+=("--$opt" "$optarg")
						# --longopt optarg
						elif [[ $2 ]]; then
							OPTRET+=("--$opt" "$2" )
							shift
						# parse failure
						else
							printf "makepkg: $(gettext "option '%s' requires an argument")\n" "--$opt" >&2
							OPTRET=(--)
							return 1
						fi
						;;
					254)
						# ambiguous option -- error was reported for us by longoptmatch()
						OPTRET=(--)
						return 1
						;;
					255)
						# parse failure
						printf "makepkg: $(gettext "invalid option") '--%s'\n" "$opt" >&2
						OPTRET=(--)
						return 1
						;;
				esac
				;;
			*) # non-option arg encountered, add it as a parameter
				unused_argv+=("$1")
				;;
		esac
		shift
	done

	# add end-of-opt terminator and any leftover positional parameters
	OPTRET+=('--' "${unused_argv[@]}" "$@")
	unset longoptmatch

	return 0
}


usage() {
	printf "makepkg (pacman) %s\n" "$makepkg_version"
	echo
	printf -- "$(gettext "Make packages compatible for use with pacman")\n"
	echo
	printf -- "$(gettext "Usage: %s [options]")\n" "$0"
	echo
	printf -- "$(gettext "Options:")\n"
	printf -- "$(gettext "  -A, --ignorearch Ignore incomplete %s field in %s")\n" "arch" "$BUILDSCRIPT"
	printf -- "$(gettext "  -c, --clean      Clean up work files after build")\n"
	printf -- "$(gettext "  -C, --cleanbuild Remove %s dir before building the package")\n" "\$srcdir/"
	printf -- "$(gettext "  -d, --nodeps     Skip all dependency checks")\n"
	printf -- "$(gettext "  -e, --noextract  Do not extract source files (use existing %s dir)")\n" "\$srcdir/"
	printf -- "$(gettext "  -f, --force      Overwrite existing package")\n"
	printf -- "$(gettext "  -g, --geninteg   Generate integrity checks for source files")\n"
	printf -- "$(gettext "  -h, --help       Show this help message and exit")\n"
	printf -- "$(gettext "  -i, --install    Install package after successful build")\n"
	printf -- "$(gettext "  -L, --log        Log package build process")\n"
	printf -- "$(gettext "  -m, --nocolor    Disable colorized output messages")\n"
	printf -- "$(gettext "  -o, --nobuild    Download and extract files only")\n"
	printf -- "$(gettext "  -p <file>        Use an alternate build script (instead of '%s')")\n" "$BUILDSCRIPT"
	printf -- "$(gettext "  -r, --rmdeps     Remove installed dependencies after a successful build")\n"
	printf -- "$(gettext "  -R, --repackage  Repackage contents of the package without rebuilding")\n"
	printf -- "$(gettext "  -s, --syncdeps   Install missing dependencies with %s")\n" "pacman"
	printf -- "$(gettext "  -S, --source     Generate a source-only tarball without downloaded sources")\n"
	printf -- "$(gettext "  -V, --version    Show version information and exit")\n"
	printf -- "$(gettext "  --allsource      Generate a source-only tarball including downloaded sources")\n"
	printf -- "$(gettext "  --check          Run the %s function in the %s")\n" "check()" "$BUILDSCRIPT"
	printf -- "$(gettext "  --config <file>  Use an alternate config file (instead of '%s')")\n" "$confdir/makepkg.conf"
	printf -- "$(gettext "  --holdver        Do not update VCS sources")\n"
	printf -- "$(gettext "  --key <key>      Specify a key to use for %s signing instead of the default")\n" "gpg"
	printf -- "$(gettext "  --noarchive      Do not create package archive")\n"
	printf -- "$(gettext "  --nocheck        Do not run the %s function in the %s")\n" "check()" "$BUILDSCRIPT"
	printf -- "$(gettext "  --noprepare      Do not run the %s function in the %s")\n" "prepare()" "$BUILDSCRIPT"
	printf -- "$(gettext "  --nosign         Do not create a signature for the package")\n"
	printf -- "$(gettext "  --pkg <list>     Only build listed packages from a split package")\n"
	printf -- "$(gettext "  --sign           Sign the resulting package with %s")\n" "gpg"
	printf -- "$(gettext "  --skipchecksums  Do not verify checksums of the source files")\n"
	printf -- "$(gettext "  --skipinteg      Do not perform any verification checks on source files")\n"
	printf -- "$(gettext "  --skippgpcheck   Do not verify source files with PGP signatures")\n"
	printf -- "$(gettext "  --verifysource   Download source files (if needed) and perform integrity checks")\n"
	echo
	printf -- "$(gettext "These options can be passed to %s:")\n" "pacman"
	echo
	printf -- "$(gettext "  --asdeps         Install packages as non-explicitly installed")\n"
	printf -- "$(gettext "  --needed         Do not reinstall the targets that are already up to date")\n"
	printf -- "$(gettext "  --noconfirm      Do not ask for confirmation when resolving dependencies")\n"
	printf -- "$(gettext "  --noprogressbar  Do not show a progress bar when downloading files")\n"
	echo
	printf -- "$(gettext "If %s is not specified, %s will look for '%s'")\n" "-p" "makepkg" "$BUILDSCRIPT"
	echo
}

version() {
	printf "makepkg (pacman) %s\n" "$makepkg_version"
	printf -- "$(gettext "\
Copyright (c) 2006-2014 Pacman Development Team <pacman-dev@archlinux.org>.\n\
Copyright (C) 2002-2006 Judd Vinet <jvinet@zeroflux.org>.\n\n\
This is free software; see the source for copying conditions.\n\
There is NO WARRANTY, to the extent permitted by law.\n")"
}

# PROGRAM START

# ensure we have a sane umask set
umask 0022

# determine whether we have gettext; make it a no-op if we do not
if ! type -p gettext >/dev/null; then
	gettext() {
		printf "%s\n" "$@"
	}
fi

ARGLIST=("$@")

# Parse Command Line Options.
OPT_SHORT="AcCdefFghiLmop:rRsSV"
OPT_LONG=('allsource' 'check' 'clean' 'cleanbuild' 'config:' 'force' 'geninteg'
          'help' 'holdver' 'ignorearch' 'install' 'key:' 'log' 'noarchive' 'nobuild'
          'nocolor' 'nocheck' 'nodeps' 'noextract' 'noprepare' 'nosign' 'pkg:' 'repackage'
          'rmdeps' 'sign' 'skipchecksums' 'skipinteg' 'skippgpcheck' 'source' 'syncdeps'
          'verifysource' 'version', 'asroot')

# Pacman Options
OPT_LONG+=('asdeps' 'noconfirm' 'needed' 'noprogressbar')

if ! parseopts "$OPT_SHORT" "${OPT_LONG[@]}" -- "$@"; then
	exit 1 # E_INVALID_OPTION;
fi
set -- "${OPTRET[@]}"
unset OPT_SHORT OPT_LONG OPTRET

while true; do
	case "$1" in
		# Pacman Options
		--asdeps)         ASDEPS=1;;
		--needed)         NEEDED=1;;
		--noconfirm)      PACMAN_OPTS+=" --noconfirm" ;;
		--noprogressbar)  PACMAN_OPTS+=" --noprogressbar" ;;

		# Makepkg Options
		--allsource)      SOURCEONLY=2 ;;
		-A|--ignorearch)  IGNOREARCH=1 ;;
		-c|--clean)       CLEANUP=1 ;;
		-C|--cleanbuild)  CLEANBUILD=1 ;;
		--check)          RUN_CHECK='y' ;;
		--config)         shift; MAKEPKG_CONF=$1 ;;
		-d|--nodeps)      NODEPS=1 ;;
		-e|--noextract)   NOEXTRACT=1 ;;
		-f|--force)       FORCE=1 ;;
		-F)               INFAKEROOT=1 ;;
		-g|--geninteg)    GENINTEG=1 ;;
		--holdver)        HOLDVER=1 ;;
		-i|--install)     INSTALL=1 ;;
		--key)            shift; GPGKEY=$1 ;;
		-L|--log)         LOGGING=1 ;;
		-m|--nocolor)     USE_COLOR='n'; PACMAN_OPTS+=" --color never" ;;
		--noarchive)      NOARCHIVE=1 ;;
		--nocheck)        RUN_CHECK='n' ;;
		--noprepare)      RUN_PREPARE='n' ;;
		--nosign)         SIGNPKG='n' ;;
		-o|--nobuild)     NOBUILD=1 ;;
		-p)               shift; BUILDFILE=$1 ;;
		--pkg)            shift; IFS=, read -ra p <<<"$1"; PKGLIST+=("${p[@]}"); unset p ;;
		-r|--rmdeps)      RMDEPS=1 ;;
		-R|--repackage)   REPKG=1 ;;
		--sign)           SIGNPKG='y' ;;
		--skipchecksums)  SKIPCHECKSUMS=1 ;;
		--skipinteg)      SKIPCHECKSUMS=1; SKIPPGPCHECK=1 ;;
		--skippgpcheck)   SKIPPGPCHECK=1;;
		-s|--syncdeps)    DEP_BIN=1 ;;
		-S|--source)      SOURCEONLY=1 ;;
		--verifysource)   VERIFYSOURCE=1 ;;

		-h|--help)        usage; exit 0 ;; # E_OK
		-V|--version)     version; exit 0 ;; # E_OK

		--)               OPT_IND=0; shift; break 2;;
	esac
	shift
done

# attempt to consume any extra argv as environment variables. this supports
# overriding (e.g. CC=clang) as well as overriding (e.g. CFLAGS+=' -g').
extra_environment=()
while [[ $1 ]]; do
	if [[ $1 = [_[:alpha:]]*([[:alnum:]_])?(+)=* ]]; then
		extra_environment+=("$1")
	fi
	shift
done

# setup signal traps
trap 'clean_up' 0
for signal in TERM HUP QUIT; do
	trap "trap_exit $signal \"$(gettext "%s signal caught. Exiting...")\" \"$signal\"" "$signal"
done
trap 'trap_exit INT "$(gettext "Aborted by user! Exiting...")"' INT
trap 'trap_exit USR1 "$(gettext "An unknown error has occurred. Exiting...")"' ERR

# preserve environment variables and canonicalize path
[[ -n ${PKGDEST} ]] && _PKGDEST=$(canonicalize_path ${PKGDEST})
[[ -n ${SRCDEST} ]] && _SRCDEST=$(canonicalize_path ${SRCDEST})
[[ -n ${SRCPKGDEST} ]] && _SRCPKGDEST=$(canonicalize_path ${SRCPKGDEST})
[[ -n ${LOGDEST} ]] && _LOGDEST=$(canonicalize_path ${LOGDEST})
[[ -n ${BUILDDIR} ]] && _BUILDDIR=$(canonicalize_path ${BUILDDIR})
[[ -n ${PKGEXT} ]] && _PKGEXT=${PKGEXT}
[[ -n ${SRCEXT} ]] && _SRCEXT=${SRCEXT}
[[ -n ${GPGKEY} ]] && _GPGKEY=${GPGKEY}
[[ -n ${PACKAGER} ]] && _PACKAGER=${PACKAGER}
[[ -n ${CARCH} ]] && _CARCH=${CARCH}

# default config is makepkg.conf
MAKEPKG_CONF=${MAKEPKG_CONF:-$confdir/makepkg.conf}

# Source the config file; fail if it is not found
if [[ -r $MAKEPKG_CONF ]]; then
	source_safe "$MAKEPKG_CONF"
else
	error "$(gettext "%s not found.")" "$MAKEPKG_CONF"
	plain "$(gettext "Aborting...")"
	exit 1 # $E_CONFIG_ERROR
fi

# Source user-specific makepkg.conf overrides, but only if no override config
# file was specified
XDG_PACMAN_DIR="${XDG_CONFIG_HOME:-$HOME/.config}/pacman"
if [[ "$MAKEPKG_CONF" = "$confdir/makepkg.conf" ]]; then
	if [[ -r "$XDG_PACMAN_DIR/makepkg.conf" ]]; then
		source_safe "$XDG_PACMAN_DIR/makepkg.conf"
	elif [[ -r "$HOME/.makepkg.conf" ]]; then
		source_safe "$HOME/.makepkg.conf"
	fi
fi

# set pacman command if not already defined
PACMAN=${PACMAN:-pacman}
# save full path to command as PATH may change when sourcing /etc/profile
PACMAN_PATH=$(type -P $PACMAN)

# check if messages are to be printed using color
unset ALL_OFF BOLD BLUE GREEN RED YELLOW
if [[ -t 2 && $USE_COLOR != "n" ]] && check_buildenv "color" "y"; then
	# prefer terminal safe colored and bold text when tput is supported
	if tput setaf 0 &>/dev/null; then
		ALL_OFF="$(tput sgr0)"
		BOLD="$(tput bold)"
		BLUE="${BOLD}$(tput setaf 4)"
		GREEN="${BOLD}$(tput setaf 2)"
		RED="${BOLD}$(tput setaf 1)"
		YELLOW="${BOLD}$(tput setaf 3)"
	else
		ALL_OFF="\e[0m"
		BOLD="\e[1m"
		BLUE="${BOLD}\e[34m"
		GREEN="${BOLD}\e[32m"
		RED="${BOLD}\e[31m"
		YELLOW="${BOLD}\e[33m"
	fi
fi
readonly ALL_OFF BOLD BLUE GREEN RED YELLOW

# override settings with an environment variable for batch processing
BUILDDIR=${_BUILDDIR:-$BUILDDIR}
BUILDDIR=${BUILDDIR:-$startdir} #default to $startdir if undefined
if [[ ! -d $BUILDDIR ]]; then
	if ! mkdir -p "$BUILDDIR"; then
		error "$(gettext "You do not have write permission to create packages in %s.")" "$BUILDDIR"
		plain "$(gettext "Aborting...")"
		exit 1
	fi
	chmod a-s "$BUILDDIR"
fi
if [[ ! -w $BUILDDIR ]]; then
	error "$(gettext "You do not have write permission to create packages in %s.")" "$BUILDDIR"
	plain "$(gettext "Aborting...")"
	exit 1
fi

# override settings from extra variables on commandline, if any
if (( ${#extra_environment[*]} )); then
	export "${extra_environment[@]}"
fi

PKGDEST=${_PKGDEST:-$PKGDEST}
PKGDEST=${PKGDEST:-$startdir} #default to $startdir if undefined
if (( ! (NOBUILD || GENINTEG) )) && [[ ! -w $PKGDEST ]]; then
	error "$(gettext "You do not have write permission to store packages in %s.")" "$PKGDEST"
	plain "$(gettext "Aborting...")"
	exit 1
fi

SRCDEST=${_SRCDEST:-$SRCDEST}
SRCDEST=${SRCDEST:-$startdir} #default to $startdir if undefined
if [[ ! -w $SRCDEST ]] ; then
	error "$(gettext "You do not have write permission to store downloads in %s.")" "$SRCDEST"
	plain "$(gettext "Aborting...")"
	exit 1
fi

SRCPKGDEST=${_SRCPKGDEST:-$SRCPKGDEST}
SRCPKGDEST=${SRCPKGDEST:-$startdir} #default to $startdir if undefined
if (( SOURCEONLY )); then
	if [[ ! -w $SRCPKGDEST ]]; then
		error "$(gettext "You do not have write permission to store source tarballs in %s.")" "$SRCPKGDEST"
		plain "$(gettext "Aborting...")"
		exit 1
	fi

	# If we're only making a source tarball, then we need to ignore architecture-
	# dependent behavior.
	IGNOREARCH=1
fi

LOGDEST=${_LOGDEST:-$LOGDEST}
LOGDEST=${LOGDEST:-$startdir} #default to $startdir if undefined
if (( LOGGING )) && [[ ! -w $LOGDEST ]]; then
	error "$(gettext "You do not have write permission to store logs in %s.")" "$LOGDEST"
	plain "$(gettext "Aborting...")"
	exit 1
fi

PKGEXT=${_PKGEXT:-$PKGEXT}
SRCEXT=${_SRCEXT:-$SRCEXT}
GPGKEY=${_GPGKEY:-$GPGKEY}
PACKAGER=${_PACKAGER:-$PACKAGER}
CARCH=${_CARCH:-$CARCH}

unset pkgname pkgbase pkgver pkgrel epoch pkgdesc url license groups provides
unset md5sums replaces depends conflicts backup source install changelog build
unset makedepends optdepends options noextract validpgpkeys

BUILDFILE=${BUILDFILE:-$BUILDSCRIPT}
if [[ ! -f $BUILDFILE ]]; then
	error "$(gettext "%s does not exist.")" "$BUILDFILE"
	exit 1
else
	if [[ $(<"$BUILDFILE") = *$'\r'* ]]; then
		error "$(gettext "%s contains %s characters and cannot be sourced.")" "$BUILDFILE" "CRLF"
		exit 1
	fi

	if [[ ! $BUILDFILE -ef $PWD/${BUILDFILE##*/} ]]; then
		error "$(gettext "%s must be in the current working directory.")" "$BUILDFILE"
		exit 1
	fi

	if [[ ${BUILDFILE:0:1} != "/" ]]; then
		BUILDFILE="$startdir/$BUILDFILE"
	fi
	source_buildfile "$BUILDFILE"
fi

# set defaults if they weren't specified in buildfile
pkgbase=${pkgbase:-${pkgname[0]}}
basever=$(get_full_version)

if [[ $BUILDDIR = "$startdir" ]]; then
	srcdir="$BUILDDIR/src"
	pkgdirbase="$BUILDDIR/pkg"
else
	srcdir="$BUILDDIR/$pkgbase/src"
	pkgdirbase="$BUILDDIR/$pkgbase/pkg"

fi

# set pkgdir to something "sensible" for (not recommended) use during build()
pkgdir="$pkgdirbase/$pkgbase"

if (( GENINTEG )); then
	mkdir -p "$srcdir"
	chmod a-s "$srcdir"
	cd_safe "$srcdir"
	download_sources novcs allarch
	generate_checksums
	exit 0 # $E_OK
fi

if have_function pkgver; then
	PKGVERFUNC=1
fi

# check the PKGBUILD for some basic requirements
check_sanity || exit 1

# check we have the software required to process the PKGBUILD
check_software || exit 1

if (( ${#pkgname[@]} > 1 )); then
	SPLITPKG=1
fi

# test for available PKGBUILD functions
if have_function prepare; then
	# "Hide" prepare() function if not going to be run
	if [[ $RUN_PREPARE != "n" ]]; then
		PREPAREFUNC=1
	fi
fi
if have_function build; then
	BUILDFUNC=1
fi
if have_function check; then
	# "Hide" check() function if not going to be run
	if [[ $RUN_CHECK = 'y' ]] || { ! check_buildenv "check" "n" && [[ $RUN_CHECK != "n" ]]; }; then
		CHECKFUNC=1
	fi
fi
if have_function package; then
	PKGFUNC=1
elif [[ $SPLITPKG -eq 0 ]] && have_function package_${pkgname}; then
	SPLITPKG=1
fi

if [[ -n "${PKGLIST[@]}" ]]; then
	unset pkgname
	pkgname=("${PKGLIST[@]}")
fi

# check if gpg signature is to be created and if signing key is valid
if { [[ -z $SIGNPKG ]] && check_buildenv "sign" "y"; } || [[ $SIGNPKG == 'y' ]]; then
	SIGNPKG='y'
	if ! gpg --list-key ${GPGKEY} &>/dev/null; then
		if [[ ! -z $GPGKEY ]]; then
			error "$(gettext "The key %s does not exist in your keyring.")" "${GPGKEY}"
		else
			error "$(gettext "There is no key in your keyring.")"
		fi
		exit 1
	fi
fi

if (( ! PKGVERFUNC )); then
	check_build_status
fi

# Run the bare minimum in fakeroot
if (( INFAKEROOT )); then
	if (( SOURCEONLY )); then
		create_srcpackage
		msg "$(gettext "Leaving %s environment.")" "fakeroot"
		exit 0 # $E_OK
	fi

	chmod 755 "$pkgdirbase"
	if (( ! SPLITPKG )); then
		pkgdir="$pkgdirbase/$pkgname"
		mkdir "$pkgdir"
		if (( PKGFUNC )); then
			run_package
		fi
		tidy_install
		create_package
		create_debug_package
	else
		run_split_packaging
	fi

	msg "$(gettext "Leaving %s environment.")" "fakeroot"
	exit 0 # $E_OK
fi

msg "$(gettext "Making package: %s")" "$pkgbase $basever ($(date))"

# if we are creating a source-only package, go no further
if (( SOURCEONLY )); then
	if [[ -f $SRCPKGDEST/${pkgbase}-${basever}${SRCEXT} ]] \
			&& (( ! FORCE )); then
		error "$(gettext "A source package has already been built. (use %s to overwrite)")" "-f"
		exit 1
	fi

	# Get back to our src directory so we can begin with sources.
	mkdir -p "$srcdir"
	chmod a-s "$srcdir"
	cd_safe "$srcdir"
	if (( SOURCEONLY == 2 )); then
		download_sources allarch
	elif ( (( ! SKIPCHECKSUMS )) || \
			( (( ! SKIPPGPCHECK )) && source_has_signatures ) ); then
		download_sources allarch novcs
	fi
	check_source_integrity all
	cd_safe "$startdir"

	enter_fakeroot

	msg "$(gettext "Source package created: %s")" "$pkgbase ($(date))"
	exit 0
fi

if (( NODEPS || ( VERIFYSOURCE && !DEP_BIN ) )); then
	# no warning message needed for nobuild
	if (( NODEPS )); then
		warning "$(gettext "Skipping dependency checks.")"
	fi
else
	if (( RMDEPS && ! INSTALL )); then
		original_pkglist=($(run_pacman -Qq))    # required by remove_dep
	fi
	deperr=0

	msg "$(gettext "Checking runtime dependencies...")"
	resolve_deps ${depends[@]} || deperr=1

	if (( RMDEPS && INSTALL )); then
		original_pkglist=($(run_pacman -Qq))    # required by remove_dep
	fi

	msg "$(gettext "Checking buildtime dependencies...")"
	if (( CHECKFUNC )); then
		resolve_deps "${makedepends[@]}" "${checkdepends[@]}" || deperr=1
	else
		resolve_deps "${makedepends[@]}" || deperr=1
	fi

	if (( RMDEPS )); then
		current_pkglist=($(run_pacman -Qq))    # required by remove_deps
	fi

	if (( deperr )); then
		error "$(gettext "Could not resolve all dependencies.")"
		exit 1
	fi
fi

# get back to our src directory so we can begin with sources
mkdir -p "$srcdir"
chmod a-s "$srcdir"
cd_safe "$srcdir"

if (( NOEXTRACT && ! VERIFYSOURCE )); then
	warning "$(gettext "Using existing %s tree")" "\$srcdir/"
elif (( !REPKG )); then
	download_sources
	check_source_integrity
	(( VERIFYSOURCE )) && exit 0 # $E_OK

	if (( CLEANBUILD )); then
		msg "$(gettext "Removing existing %s directory...")" "\$srcdir/"
		rm -rf "$srcdir"/*
	fi

	extract_sources
	if (( PKGVERFUNC )); then
		update_pkgver
		basever=$(get_full_version)
		check_build_status
	fi
	if (( PREPAREFUNC )); then
		run_prepare
	fi
fi

if (( NOBUILD )); then
	msg "$(gettext "Sources are ready.")"
	exit 0 #E_OK
else
	# clean existing pkg directory
	if [[ -d $pkgdirbase ]]; then
		msg "$(gettext "Removing existing %s directory...")" "\$pkgdir/"
		rm -rf "$pkgdirbase"
	fi
	mkdir -p "$pkgdirbase"
	chmod a-srwx "$pkgdirbase"
	cd_safe "$startdir"

	if (( ! REPKG )); then
		(( BUILDFUNC )) && run_build
		(( CHECKFUNC )) && run_check
		cd_safe "$startdir"
	fi

	enter_fakeroot
fi

# if inhibiting archive creation, go no further
if (( NOARCHIVE )); then
	msg "$(gettext "Package directory is ready.")"
	exit 0
fi

msg "$(gettext "Finished making: %s")" "$pkgbase $basever ($(date))"

install_package

exit 0 #E_OK

# vim: set noet: