From 6997a76599d4aa338e9633db8f7cafc05083df63 Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pjm@nac.net>
Date: Thu, 02 Aug 2012 10:00:02 -0400
Subject: Fix problems is control parsing and generation.

---
diff --git a/lib/control.sh b/lib/control.sh
index 6fa8931..821010b 100644
--- a/lib/control.sh
+++ b/lib/control.sh
@@ -92,25 +92,27 @@ _control_parse()
 {
 	_control="${1}"
 	_type="${2}"
-	_req=" $(eval echo \$\{OH_CONTROL_"${_type}"_FIELDS_REQUIRED) "
-	_opt=" $(eval echo \$\{OH_CONTROL_"${_type}"_FIELDS_OPTIONAL) "
+	_req=" $(eval echo \$\{OH_CONTROL_"${_type}"_FIELDS_REQUIRED\}) "
+	_opt=" $(eval echo \$\{OH_CONTROL_"${_type}"_FIELDS_OPTIONAL\}) "
 	_all="${_req}${_opt}"
 	_got=' '
 
 	# Initialize fields.
-	for _param in ${_all}; do
+	for _name in ${_all}; do
+		_param="OH_CONTROL_${_type}_FIELD_$(echo "${_name}" | \
+			LC_CTYPE=C tr '[:lower:]-' '[:upper:]_')"
 		eval "${_param}="
 	done
 	_param=
 
 	_line_nr=0
 
-	while read -r _line; do
+	while IFS= read -r _line; do
 		_line_nr=$(($_line_nr + 1))
 		if [ "${_line# }" = "${_line}" ]; then
 			# "Name: Value" line.
 			_name="${_line%%:*}"
-			_value="${_line#*:}"
+			_value="${_line#*: }"
 			if [ -z "${_name}" -o "${_name}" = "${_line}" \
 				-o -z "${_value}" ]; then
 				# Badly formatted control field.
@@ -118,11 +120,11 @@ _control_parse()
 					"${oh_str_control_bad_nv}"
 				continue
 			fi
-			if [ "${_all% ${_name} }" = "${_all}" ]; then
+			if [ "${_all% ${_name} *}" = "${_all}" ]; then
 				# Unknown field.
 				_control_parse_error "${_control}" "${_line_nr}" \
 					"${oh_str_control_unknown_field}" \
-					"${_control}" "${_name}"
+					"${_name}"
 			else
 				# Remove field from list of required fields.
 				_req="$(echo "${_req}" | sed "s/${_name}//")"
@@ -131,13 +133,15 @@ _control_parse()
 				# Duplicate field.
 				_control_parse_error "${_control}" "${_line_nr}" \
 					"${oh_str_control_duplicate_field}" \
-					"${_control}" "${_field}"
+					"${_field}"
 			else
 				_got="${_got}${_field} "
 			fi
 			_param="OH_CONTROL_${_type}_FIELD_$(echo "${_name}" | \
 				LC_CTYPE=C tr '[:lower:]-' '[:upper:]_')"
-			eval "${_param}=\"${_value}\""
+			# Escape the value.
+			_value="$(echo "${_value}" | sed "s/'/'\\\\''/g")"
+			eval "${_param}='${_value}'"
 		else
 			# Continuation line.
 			if [ -z "${_param}" ]; then
@@ -147,8 +151,9 @@ _control_parse()
 				continue
 			fi
 			_value="${_line# }"
-			eval "${_param}=\"${_param}
-${_value}\""
+			_value="$(echo "${_value}" | sed "s/'/'\\\\''/g")"
+			eval "${_param}='${_param}
+${_value}'"
 		fi
 	done <"${_control}"
 
@@ -170,7 +175,7 @@ _control_parse_error()
 	shift 3
 
 	if [ "${_line_nr}" -eq 0 ]; then
-		_file_info=$(printf '%20s:' "${_file}" "${_line_nr}")
+		_file_info=$(printf '%20s:' "${_file}")
 	else
 		_file_info=$(printf '%20s(l%d):' "${_file}" "${_line_nr}")
 	fi
@@ -181,7 +186,7 @@ _control_gen()
 {
 	_type="${1}"
 	_control="${2}"
-	_data="${2}"
+	_data="${3}"
 
 	# TODO: Handle platforms and architectures like "any" and "any-linux-any".
 
@@ -210,7 +215,9 @@ _control_gen()
 	#   pkg_size_kbs = (pkg->installed_size + 1023)/1024;
 	# TODO: Further investigate opkg's disk space calculation and, if necessary,
 	# patch opkg and submit a bug report.
-	_inst_size=$((($inst_size + 1023) / 1024))
+	_inst_size=$((($_inst_size + 1023) / 1024))
+
+	mkdir -p "${_control%/*}"
 
 	cat >"${_control}" <<EOF
 Package: ${OH_CONTROL_BINARY_FIELD_PACKAGE}
@@ -223,19 +230,19 @@ EOF
 		Provides Replaces; do
 		_param="OH_CONTROL_BINARY_FIELD_$(echo "${_name}" | \
 			LC_CTYPE=C tr '[:lower:]-' '[:upper:]_')"
-		_value="$(eval echo \$\{"${param}"\})"
+		_value="$(eval echo \$\{"${_param}"\})"
 		if [ -n "${_value}" ]; then
-			printf '%s: %s\n' "${_name}" "${_value}" >"${_control}"
+			printf '%s: %s\n' "${_name}" "${_value}" >>"${_control}"
 		fi
 	done
 
-	cat >"${_control}" <<EOF
+	cat >>"${_control}" <<EOF
 Installed-Size: ${_inst_size}
 Description:$(echo "${OH_CONTROL_BINARY_FIELD_DESCRIPTION}" | sed 's/^/ /')
 EOF
 
 	if [ -n "${OH_CONTROL_SOURCE_FIELD_HOMEPAGE}" ]; then
 		printf '%s: %s\n' 'Homepage' "${OH_CONTROL_SOURCE_FIELD_HOMEPAGE}" \
-			>"${_control}"
+			>>"${_control}"
 	fi
 }
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