From 34a77f7822126263fed5c72aedaa65b58fee94ac Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Mon, 07 Dec 2015 12:07:15 -0500
Subject: Merge branch 'feature/use-shld'

---
(limited to 'src/cmd/build.sh')

diff --git a/src/cmd/build.sh b/src/cmd/build.sh
new file mode 100644
index 0000000..8d12691
--- /dev/null
+++ b/src/cmd/build.sh
@@ -0,0 +1,152 @@
+# "build" command
+#
+# Copyright (C) 2014  Patrick "P. J." McDermott
+#
+# This file is part of the ProteanOS Development Kit.
+#
+# The ProteanOS Development Kit 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.
+#
+# The ProteanOS Development Kit 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 the ProteanOS Development Kit.  If not, see
+# <http://www.gnu.org/licenses/>.
+
+cmd_build_root=
+cmd_build_pkg_dir=
+cmd_build_build_deps=
+
+cmd_build_main()
+{
+	local root=
+	local dev=
+	local opkbuild_optstring=
+	local arch=
+	local plat=
+	local first_arg=
+	local arg=
+
+	if [ ${#} -lt 2 ]; then
+		print_cmd_usage 'build' >&2
+		exit 1
+	fi
+
+	root="${1}"
+	shift 1
+
+	dev=''
+	if is_block "${root}"; then
+		dev="${root}"
+		root="$(block_mount "${dev}")"
+	fi
+
+	cmd_build_root="${root}"
+
+	opkbuild_optstring="$(cat "${root}/usr/share/opkbuild/optstring")"
+	arch="$(cat "${root}/etc/proteanos_arch")"
+	plat="$(cat "${root}/etc/proteanos_plat")"
+	while getopts "${opkbuild_optstring}" opt 2>/dev/null; do
+		case "${opt}" in
+			a) arch="${OPTARG}";;
+			p) plat="${OPTARG}";;
+		esac
+	done
+
+	first_arg=true
+	cmd_build_pkg_dir=''
+	for arg in "${@}"; do
+		if ${first_arg}; then
+			set --
+			first_arg=false
+		else
+			set -- "${@}" "${cmd_build_pkg_dir}"
+		fi
+		cmd_build_pkg_dir="${arg}"
+	done
+
+	. "${root}/etc/os-release"
+	profile_set "${ID}"
+
+	if ! [ -d "${cmd_build_pkg_dir}" ]; then
+		error 2 "$(get_msg 'cmd_build_not_a_dir')" \
+			"${cmd_build_pkg_dir}"
+	fi
+	package_init "${cmd_build_pkg_dir}"
+	package_set_substvars "${arch}" "${plat}"
+
+	session_begin "${root}" "${cmd_build_pkg_dir}" cmd_build_fini false
+
+	cmd_build_build_deps="$(package_get_build_deps "${arch}" "${plat}")"
+	if [ "x${cmd_build_build_deps}" != 'x' ]; then
+		cmd_build_make_deps_pkg
+		session_exec opkg install ../builddeps.opk
+	fi
+
+	session_exec opkbuild "${@}"
+
+	cmd_build_fini
+
+	session_end
+
+	if [ "x${dev}" != 'x' ]; then
+		block_umount "${root}"
+	fi
+}
+
+cmd_build_make_deps_pkg()
+{
+	local pkg_dir=
+
+	pkg_dir="${cmd_build_root}$(session_dir)/builddeps"
+	mkdir -p "${pkg_dir}/control" "${pkg_dir}/data"
+	printf '2.0\n' >"${pkg_dir}/debian-binary"
+	cat >"${pkg_dir}/control/control" <<-EOF
+		Package: prokit-builddeps-$(session_id)
+		Source: prokit
+		Version: 1.0
+		Architecture: all
+		Platform: all
+		Depends: ${cmd_build_build_deps}
+		Description: Build dependencies metapackage generated by prokit
+		EOF
+	(cd "${pkg_dir}/data"; tar -czf ../data.tar.gz .)
+	(cd "${pkg_dir}/control"; tar -czf ../control.tar.gz .)
+	(cd "${pkg_dir}"; tar -czf ../builddeps.opk \
+		'debian-binary' 'data.tar.gz' 'control.tar.gz')
+	rm -Rf "${pkg_dir}"
+}
+
+cmd_build_fini()
+{
+	local session_dir=
+	local f=
+
+	session_dir="$(session_dir)"
+
+	if [ "x${cmd_build_build_deps}" != 'x' ]; then
+		session_exec opkg --autoremove remove \
+			prokit-builddeps-$(session_id)
+		rm "${cmd_build_root}${session_dir}/builddeps.opk"
+		# Hack to avoid this code branch if the function is called again
+		# in response to a signal.
+		cmd_build_build_deps=''
+	fi
+
+	for f in "${cmd_build_root}${session_dir}/"*; do
+		[ -e "${f}" ] || continue
+		[ "x${f##*/}" = 'xwd' ] && continue
+		mv "${f}" "${cmd_build_pkg_dir}/.."
+	done
+}
+
+cmd_build_register()
+{
+	register_cmd 'build'
+}
+__init cmd_build_register
--
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