build: Make stub build dependencies package

1 files changed, 27 insertions, 1 deletions

diff --git a/lib/cmd/build.sh b/lib/cmd/build.sh
index 77efce0..4a33b2d 100644
--- a/lib/cmd/build.sh
+++ b/lib/cmd/build.sh
@@ -62,16 +62,21 @@ cmd_build_main()
 	rand
 	dir="/prokit/build.${rand_x}"
 	uname_s="$( (uname -s) 2>/dev/null)" || uname_s='unknown'
-	mkdir -p "${root}${dir}/pkg"
+	mkdir -p "${root}${dir}/pkg" "${root}${dir}/builddeps/control" \
+		"${root}${dir}/builddeps/data"
 	case "${uname_s}" in
 		'Linux')
 			mount -o bind "${prev_arg}" "${root}${dir}/pkg"
 			;;
 	esac
 
+	cmd_build_make_deps_pkg "${root}${dir}" "${rand_x}"
+
 	chroot_exec "${root}" sh <<-EOF
 		cd '${dir}/pkg'
+		opkg install ../builddeps.opk
 		opkbuild ${@}
+		opkg remove prokit-builddeps-${rand_x}
 		EOF
 
 	case "${uname_s}" in
@@ -86,3 +91,24 @@ cmd_build_main()
 	done
 	rmdir "${root}${dir}"
 }
+
+cmd_build_make_deps_pkg()
+{
+	local build_dir="${1}"
+	local build_id="${2}"
+
+	printf '2.0\n' >"${build_dir}/builddeps/debian-binary"
+	cat >"${build_dir}/builddeps/control/control" <<-EOF
+		Package: prokit-builddeps-${build_id}
+		Source: prokit
+		Version: 1.0
+		Architecture: all
+		Platform: all
+		Description: Build dependencies metapackage generated by prokit
+		EOF
+	(cd "${build_dir}/builddeps/data"; tar -czf ../data.tar.gz .)
+	(cd "${build_dir}/builddeps/control"; tar -czf ../control.tar.gz .)
+	(cd "${build_dir}/builddeps"; tar -czf ../builddeps.opk \
+		'debian-binary' 'data.tar.gz' 'control.tar.gz')
+	rm -Rf "${build_dir}/builddeps"
+}