opkg: New multiarch support wrapper script

1 files changed, 90 insertions, 0 deletions

diff --git a/opkg b/opkg
new file mode 100755
index 0000000..54e2886
--- /dev/null
+++ b/opkg
@@ -0,0 +1,90 @@
+#!/bin/sh
+#
+# opkg - Multiarch support wrapper for opkg
+#
+# Copyright (C) 2020  Patrick McDermott
+#
+# 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 3 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/>.
+
+set -eu
+
+main()
+{
+	local first_arg=
+	local arch_arg=
+	local arg=
+
+	first_arg=true
+	arch_arg=''
+	for arg in "${@}"; do
+		if ${first_arg}; then
+			set --
+			if [ -e '/etc/opkg/opkg.conf' ]; then
+				set -- "${@}" --conf '/etc/opkg/opkg.conf'
+			fi
+			set -- "${@}" \
+				--add-arch all:100 \
+				--add-arch "$(cat /etc/proteanos_arch):50" \
+				--add-arch src:100
+			first_arg=false
+		elif [ -n "${arch_arg}" ]; then
+			case "${arg}" in -* | '')
+				printf '%s: Option "%s" requires an argument\n'\
+					"${0}" "${arch_arg}" 1>&2
+				return 1
+			esac
+			set -- "${@}" --add-arch "${arg}:100"
+			arch_arg=''
+			continue
+		fi
+		case "${arg}" in
+			-a | --host-architecture)
+				arch_arg="${arg}"
+				continue
+				;;
+			-a*)
+				arg="${arg#-a}"
+				set -- "${@}" --add-arch "${arg}:100"
+				continue
+				;;
+			--host-architecture=*)
+				arch_arg="${arg%=*}"
+				arg="${arg#--host-architecture=}"
+				if [ -z "${arg}" ]; then
+					printf '%s: Option "%s" requires '$(: \
+						)'an argument\n' \
+						"${0}" "${arch_arg}" 1>&2
+					return 1
+				fi
+				set -- "${@}" --add-arch "${arg}:100"
+				arch_arg=''
+				continue
+				;;
+		esac
+		set -- "${@}" "${arg}"
+	done
+	if [ -n "${arch_arg}" ]; then
+		printf '%s: Option "%s" requires an argument\n' \
+			"${0}" "${arch_arg}" 1>&2
+		return 1
+	fi
+
+	if /usr/bin/opkg-cl "${@}"; then
+		return 0
+	else
+		return ${?}
+	fi
+}
+
+main "${@}"