From 7acc786ea1a6570cd8e1586ba8303ad6c4379348 Mon Sep 17 00:00:00 2001
From: Bertrand Jacquin <bertrand@jacquin.bzh>
Date: Thu, 16 Aug 2018 23:01:19 +0100
Subject: eclass/linux-build: Simplify retrieval of previous version

---
 eclass/linux-build.eclass | 35 +++++++++++++++++++++++------------
 1 file changed, 23 insertions(+), 12 deletions(-)

diff --git a/eclass/linux-build.eclass b/eclass/linux-build.eclass
index 69129de7..4442d31d 100644
--- a/eclass/linux-build.eclass
+++ b/eclass/linux-build.eclass
@@ -66,6 +66,27 @@ _linux-build_configval() {
 	esac
 }
 
+_linux-build_get-portage-versions() {
+	local -a _v
+	local _rv
+
+	if [[ "${PF}" != "${P}" ]] ; then
+		_v+=( "${PF}" )
+	fi
+
+	_v+=( "${P}" )
+
+	if [[ -n "${REPLACING_VERSIONS}" ]] ; then
+		for _rv in ${REPLACING_VERSIONS} ; do
+			_v+=( "${PN}-${_rv}" )
+		done
+	fi
+
+	_v+=( "${PN}"  )
+
+	echo "${_v[@]}"
+}
+
 _linux-build_pkg_setup-build-config() {
 	local _v
 
@@ -79,7 +100,7 @@ _linux-build_pkg_setup-build-config() {
 		return 0
 	fi
 
-	for _v in "${PF}" "${P}" "${PN}" ; do
+	for _v in $(_linux-build_get-portage-versions) ; do
 		einfo "Checking existence of ${PORTAGE_CONFIGROOT%/}/etc/portage/savedconfig/${CATEGORY}/${_v}"
 		if [[ -e "${PORTAGE_CONFIGROOT%/}/etc/portage/savedconfig/${CATEGORY}/${_v}" ]] ; then
 			eend 0
@@ -96,23 +117,13 @@ _linux-build_pkg_setup-build-config() {
 		eend 1
 	done
 
-	for _v in ${REPLACING_VERSIONS} ; do
-		einfo "Checking existence of ${PORTAGE_CONFIGROOT%/}/etc/portage/savedconfig/${CATEGORY}/${PN}-${_v}"
-		if [[ -e "${PORTAGE_CONFIGROOT%/}/etc/portage/savedconfig/${CATEGORY}/${PN}-${_v}" ]] ; then
-			cp "${PORTAGE_CONFIGROOT%/}/etc/portage/savedconfig/${CATEGORY}/${PN}-${_v}" \
-				"${T}/config"
-			eend 0
-			return 0
-		fi
-	done
-
 	return 1
 }
 
 _linux-build_pkg_setup-build-x509() {
 	local _v
 
-	for _v in "${PF}" "${P}" "${PN}" ; do
+	for _v in $(_linux-build_get-portage-versions) ; do
 		einfo "Checking existence of ${PORTAGE_CONFIGROOT%/}/etc/ssl/private/${_v}.pem"
 
 		if [[ -e "${PORTAGE_CONFIGROOT%/}/etc/ssl/private/${_v}.pem" ]] ; then
-- 
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