1 files changed, 311 insertions, 0 deletions
diff --git a/src/chroot-tools/libremakepkg b/src/chroot-tools/libremakepkg
new file mode 100755
index 0000000..b8cdca1
--- /dev/null
+++ b/src/chroot-tools/libremakepkg
@@ -0,0 +1,311 @@
+#!/bin/bash -euE
+# libremakepkg
+
+# Copyright 2010 - 2011 Nicolás Reynolds
+# Copyright 2011 Joshua Ismael Haase Hernández
+# Copyright 2012-2013 Luke Shumaker
+#
+# This file is part of Parabola.
+#
+# Parabola 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 3 of the License, or
+# (at your option) any later version.
+#
+# Parabola 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 Parabola. If not, see <http://www.gnu.org/licenses/>.
+
+. /usr/share/libretools/conf.sh
+load_conf_libretools_chroot
+
+. libremessages
+
+shopt -s nullglob
+umask 0022
+
+# Boring/mundane functions #####################################################
+
+# End inmediately but print a useful message
+trap_exit() {
+	error "$*"
+	set +euE
+	. /usr/share/devtools/makechrootpkg.sh
+	chroot_copy_out_logs "$@"
+	exit 1
+}
+
+# Usage run [-N] $copydir "$cmd"
+# Runs cmd properly, whether in a chroot already or not.
+#
+# Note that $cmd is a quoted string, not a list of arguments.
+# $copydir=/ if INCHROOT=true
+#
+# Environment
+# - $INCHROOT is set
+run() {
+	local HASNET=true
+	[[ $1 == -N ]] && { HASNET=false; shift; }
+	local copydir=$1; shift
+	local cmd="$*"
+
+	cat >"$copydir/chrootexec" <<EOF
+#!/bin/bash
+. /etc/profile
+${INCHROOT} || export HOME=/build
+${INCHROOT} || cd /build
+
+${cmd}
+EOF
+	chmod 755 "$copydir/chrootexec"
+
+	local flags=''
+	if $INCHROOT; then
+		$HASNET || flags='-n'
+		unshare $flags -- /chrootexec
+	else
+		$HASNET || flags='-N'
+		librechroot $flags -l "$copydir" run /chrootexec
+	fi
+}
+
+# Usage: add_to_local_repo $copydir
+add_to_local_repo() (
+	set +euE
+	. /usr/share/devtools/makechrootpkg.sh
+	chroot_add_to_local_repo "$@"
+)
+
+# Usage: chroot_copy_in $copydir
+# Environment:
+#  - In the dirctory of a PKGBUILD
+#  - $SRCDEST is set
+chroot_copy_in() (
+	set +euE
+	. /usr/share/devtools/makechrootpkg.sh
+	chroot_copy_in "$@"
+)
+
+# Usage: chroot_copy_out $copydir $owner
+# Environment:
+#  - $SRCDEST is set
+#  - $PKGDEST is set
+chroot_copy_out() (
+	set +euE
+	. /usr/share/devtools/makechrootpkg.sh
+	chroot_copy_out_pkgs "$@"
+	chroot_copy_out_logs "$@"
+	chroot_copy_out_srcs "$@"
+)
+
+# Usage: chroot_let_nobody_use_pacman $copydir
+chroot_let_nobody_use_pacman() (
+	set +euE
+	. /usr/share/devtools/makechrootpkg.sh
+	chroot_let_nobody_use_pacman "$@"
+)
+
+# Usage: chroot_init $copydir $repack
+# Environment
+# - $LIBREHOME is set
+chroot_init() {
+	local copydir=$1
+	local repack=$2
+
+	librechroot -l "$copydir" make # make sure the chroot exists
+	mkdir -p "$copydir"/{build,pkgdest,srcdest}
+
+	# Remove anything in there UNLESS -R (repack) was passed
+	$repack || rm -rf "$copydir"/build/*
+
+	if [[ -r "$LIBREHOME/.gnupg/pubring.gpg" ]]; then
+		install -D "$LIBREHOME/.gnupg/pubring.gpg" "$copydir/build/.gnupg/pubring.gpg"
+	fi
+	rm -f "$copydir/build/.makepkg.conf"
+
+	MAKEPKG_CONF="$copydir/etc/makepkg.conf" set_conf_makepkg PKGDEST /pkgdest
+	MAKEPKG_CONF="$copydir/etc/makepkg.conf" set_conf_makepkg SRCDEST /srcdest
+
+	if grep -q '^\[repo\]' "$copydir/etc/pacman.conf"; then
+		cat >> "$copydir/etc/makepkg.conf" <<EOF
+[repo]
+SigLevel = Optional TrustAll
+Server = file:///repo
+EOF
+	fi
+
+	chroot_let_nobody_use_pacman "$copydir"
+}
+
+# Core functions ###############################################################
+
+# Usage: extract
+# Extracts the sources (`makepkg -o`)
+# Environment:
+# - $INCHROOT is set
+# - $copydir is set
+# - $LIBREUSER is set
+extract() {
+	local user=$LIBREUSER
+	$INCHROOT || user=nobody
+
+	local clean
+	if $INCHROOT; then
+		clean=chcleanup
+	else
+		cp -a "$(which chcleanup)" "${copydir}/clean"
+		clean=/clean
+	fi
+
+	run "$copydir" "${clean} && sudo -u ${user} makepkg ${makepkg_args} -o"
+	rm -f "$copydir"/clean
+}
+
+# Usage: build
+# Builds the package (`makepkg -e`)
+# Environment:
+# - $INCHROOT is set
+# - $copydir is set
+# - $LIBREUSER is set
+build() {
+	local user=$LIBREUSER
+	$INCHROOT || user=nobody
+
+	run -N "$copydir" "sudo -u ${user} makepkg ${makepkg_args} -e"
+}
+
+# Functions that check for issues with the build ###############################
+
+check_pkgbuild() {
+	msg "Checking PKGBUILD for issues"
+	# TODO
+	if ! pkgbuild-check-nonfree -f; then
+		if [[ $? -eq 15 ]]; then
+			# other errors mean fail, not nonfree
+			error "PKGBUILD contains non-free issues"
+			exit 15
+		else
+			warning "PKGBUILD couldn't be check aganist non-free issues"
+		fi
+	fi
+}
+
+check_src() {
+	msg "Checking src directory for issues"
+	# TODO
+}
+
+check_pkg() {
+	msg "Checking final package for issues"
+	# TODO
+}
+
+
+# The main program #############################################################
+
+cmd=${0##*/}
+usage() {
+	echo "Usage: $cmd [options] [-- makepkg args]"
+	echo 'This program will build your package.'
+	echo ''
+	echo 'If run from outside of a chroot, this will set PKGDEST and'
+	echo "SRCDEST in the chroot's \`/etc/makepkg.conf', as well as making"
+	echo "whataver alterations to the chroot \`librechroot' makes."
+	echo ''
+	echo "The \`-n' and \`-l' options behave identically to librechroot,"
+	echo 'see the documentation there.'
+	echo ''
+	echo 'Options:'
+	echo '  -n <CHROOT>   Name of the chroot to use'
+	echo '  -l <COPY>     Name of, or absolute path to, the copy to use'
+	echo '  -R            Repackage contents of the package without rebuilding'
+	echo '  -h            Show this message'
+}
+
+# Globals: $CHROOTDIR, $CHROOT, $COPY and $copydir
+# Globals: $makepkg_args, $INCHROOT
+main() {
+	# Parse command line ###################################################
+
+	COPY=$LIBREUSER
+	[[ $COPY != root ]] || COPY=copy
+
+	makepkg_args='-s --noconfirm -L '
+	local repack=false
+
+	INCHROOT=false
+	if [[ -f /.arch-chroot ]]; then
+		INCHROOT=true
+	fi
+
+	while getopts 'n:l:Rh' arg ; do
+		case "${arg}" in
+			n) CHROOT=$OPTARG;;
+			l) COPY=$OPTARG;;
+			R) repack=true; makepkg_args+=" -R";;
+			h) usage; return 0;;
+			*) usage; return 1;;
+		esac
+	done
+	shift $(($OPTIND - 1))
+	# Pass all arguments after -- right to makepkg
+	makepkg_args+=" $*"
+
+	if $INCHROOT; then
+		copydir='/'
+	elif [[ ${COPY:0:1} = / ]]; then
+		copydir=$COPY
+	else
+		copydir="${CHROOTDIR}/${CHROOT}/${COPY}"
+	fi
+
+	# Init #################################################################
+
+	if (( EUID )); then
+		error "This script must be run as root"
+		exit 1
+	fi
+
+	if [[ ! -f PKGBUILD ]]; then
+		# This is the message used by makepkg
+		error "PKGBUILD does not exist."
+		exit 1
+	fi
+
+	# Trap signals from makepkg
+	trap 'trap_exit "(libremakepkg): TERM signal caught. Exiting..."' TERM HUP QUIT
+	trap 'trap_exit "(libremakepkg): Aborted by user! Exiting..."' INT
+	trap 'trap_exit "(libremakepkg): An error has occurred. Exiting..."' ERR
+
+	SRCDEST="$(get_conf_makepkg SRCDEST .)"
+	PKGDEST="$(get_conf_makepkg PKGDEST .)"
+
+	# OK, we're starting now ###############################################
+
+	$INCHROOT || lock_open_write 9 "$copydir" \
+		"Waiting for existing lock on chroot copy to be released: [$COPY]"
+
+	# Set target CARCH as it might be used within the PKGBUILD to select
+	# correct sources
+	MAKEPKG_CONF=$copydir/etc/makepkg.conf
+	export CARCH="$(get_conf_makepkg CARCH)"
+	unset MAKEPKG_CONF
+
+	$INCHROOT || chroot_init "$copydir" "$repack"
+
+	check_pkgbuild
+	$INCHROOT || chroot_copy_in "$copydir"
+	$repack || extract
+	check_src
+	build
+	check_pkg
+
+	add_to_local_repo "$copydir"
+	$INCHROOT || chroot_copy_out "$copydir" "$LIBREUSER"
+}
+
+main "$@"