From d44d31a8f786d39b59827048de6cbb9143e49550 Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Sat, 05 Jan 2019 11:01:42 -0500
Subject: ob_parse_control(): Add a user_data operand

---
diff --git a/lib/control.sh b/lib/control.sh
index da48313..0bdf77c 100644
--- a/lib/control.sh
+++ b/lib/control.sh
@@ -61,6 +61,7 @@ _ob_parse_control_error()
 ##          without verifying that all required fields were found.
 ## @operand file       req The control file to parse, or "-" for standard input.
 ## @operand field_cb   req Callback to run for each field.
+## @operand user_data  req Data to pass to \fIfield_cb\fP.
 ## @operand req_fields opt Required fields that must appear in the control file.
 ## @operand opt_fields opt Optional fields that may appear in the control file.
 ## @return Returns 0 after parsing, or 125 if called with an incorrect number of
@@ -73,6 +74,7 @@ ob_parse_control()
 {
 	local file=
 	local field_cb=
+	local user_data=
 	local req_fields=
 	local opt_fields=
 	local check_fields=
@@ -83,15 +85,17 @@ ob_parse_control()
 	local name=
 	local value=
 
-	if [ ${#} -eq 2 ]; then
+	if [ ${#} -eq 3 ]; then
 		file="${1}"
 		field_cb="${2}"
+		user_data="${3}"
 		check_fields='false'
-	elif [ ${#} -eq 4 ]; then
+	elif [ ${#} -eq 5 ]; then
 		file="${1}"
 		field_cb="${2}"
-		req_fields="${3}"
-		opt_fields="${4}"
+		user_data="${3}"
+		req_fields="${4}"
+		opt_fields="${5}"
 		check_fields='true'
 		all_fields=" ${req_fields} ${opt_fields} "
 	else
@@ -113,7 +117,7 @@ ob_parse_control()
 				;;
 			[!\ ]*':'*)  # "Name: Value" line.
 				if [ -n "${name}" ]; then
-					"${field_cb}" "${name}" "${value}"
+					"${field_cb}" "${name}" "${value}" "${user_data}"
 					if [ ${?} -ne 0 ]; then
 						return 0
 					fi
@@ -165,7 +169,7 @@ ${line# }"
 		EOF
 
 	if [ -n "${name}" ]; then
-		"${field_cb}" "${name}" "${value}"
+		"${field_cb}" "${name}" "${value}" "${user_data}"
 		if [ ${?} -ne 0 ]; then
 			return 0
 		fi
diff --git a/lib/package/2.sh b/lib/package/2.sh
index 4ca7346..c1d61be 100644
--- a/lib/package/2.sh
+++ b/lib/package/2.sh
@@ -22,20 +22,18 @@ _OB_SOURCE_FIELDS_OPTIONAL_2='Build-Depends Homepage'
 _OB_BINARY_FIELDS_REQUIRED_2='Architecture Platform Description'
 _OB_BINARY_FIELDS_OPTIONAL_2='Essential Depends Recommends Suggests '\
 'Pre-Depends Conflicts Provides Replaces'
-_OB_CURRENT_PACKAGE_2=
 
 _ob_parse_package_metadata_2()
 {
 	local pkg=
 
-	ob_parse_control "${_OB_PACKAGE_DIR}/control" _ob_srcfield_2 \
+	ob_parse_control "${_OB_PACKAGE_DIR}/control" _ob_srcfield_2 '' \
 		"${_OB_SOURCE_FIELDS_REQUIRED_2}" "${_OB_SOURCE_FIELDS_OPTIONAL_2}"
 	ob_parse_changelog "${_OB_PACKAGE_DIR}/changelog" _ob_change_2
 
 	for pkg in $(ob_get_binary_packages); do
-		_OB_CURRENT_PACKAGE_2="${pkg}"
 		ob_parse_control "${_OB_PACKAGE_DIR}/${pkg}.pkg/control" \
-			_ob_binfield_2 \
+			_ob_binfield_2 "${pkg}" \
 			"${_OB_BINARY_FIELDS_REQUIRED_2}" "${_OB_BINARY_FIELDS_OPTIONAL_2}"
 	done
 
@@ -71,7 +69,8 @@ _ob_srcfield_2()
 {
 	local name="${1}"
 	local value="${2}"
-	shift 2
+	local user_data="${3}"
+	shift 3
 
 	_ob_set_source_parameter "${name}" "${value}"
 
@@ -95,9 +94,10 @@ _ob_binfield_2()
 {
 	local name="${1}"
 	local value="${2}"
-	shift 2
+	local pkg="${3}"
+	shift 3
 
-	_ob_set_binary_parameter "${_OB_CURRENT_PACKAGE_2}" "${name}" "${value}"
+	_ob_set_binary_parameter "${pkg}" "${name}" "${value}"
 
 	return 0
 }
@@ -157,7 +157,8 @@ _ob_set_package_substvars_2()
 	fi
 
 	if [ -f "${_OB_PACKAGE_DIR}/substvars" ]; then
-		ob_parse_control "${_OB_PACKAGE_DIR}/substvars" _ob_substvar_2
+		ob_parse_control "${_OB_PACKAGE_DIR}/substvars" \
+			_ob_substvar_2 ''
 	fi
 
 	ob_set_substvar 'Source-Version' "$(ob_get_source_parameter 'Version')"
@@ -172,7 +173,8 @@ _ob_substvar_2()
 {
 	local name="${1}"
 	local value="${2}"
-	shift 2
+	local user_data="${3}"
+	shift 3
 
 	ob_set_substvar "${name}" "${value}"
 
diff --git a/tests/ob_parse_control.sh b/tests/ob_parse_control.sh
index 26222f2..c9e4289 100755
--- a/tests/ob_parse_control.sh
+++ b/tests/ob_parse_control.sh
@@ -56,7 +56,8 @@ field_1()
 {
 	local name="${1}"
 	local value="${2}"
-	shift 2
+	local user_data="${3}"
+	shift 3
 
 	is 'maintainer field name' "${name}" 'Maintainer'
 	is 'maintainer field value' "${value}" \
@@ -69,7 +70,8 @@ field_2()
 {
 	local name="${1}"
 	local value="${2}"
-	shift 2
+	local user_data="${3}"
+	shift 3
 
 	is 'build-depends field name' "${name}" 'Build-Depends'
 	is 'build-depends field value' "${value}" \
@@ -82,7 +84,8 @@ field_3()
 {
 	local name="${1}"
 	local value="${2}"
-	shift 2
+	local user_data="${3}"
+	shift 3
 
 	is 'homepage field name' "${name}" 'Homepage'
 	is 'homepage field value' "${value}" 'http://www.example.com/'
@@ -101,7 +104,7 @@ field_cb()
 	"field_${field}" "${@}"
 }
 
-ob_parse_control - field_cb 'Maintainer' 'Build-Depends Homepage' <<-EOF
+ob_parse_control - field_cb '' 'Maintainer' 'Build-Depends Homepage' <<-EOF
 	${CONTROL}
 	EOF
 
--
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