From aff26601891d33146a19a900129f7d455269fc2a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Karel=20Ko=C4=8D=C3=AD?= <cynerd@email.cz>
Date: Fri, 17 Nov 2017 19:15:00 +0100
Subject: Add virt use for linux

---
 sys-kernel/linux/files/config_prepare.sh | 24 ++++++++++++++++++++----
 1 file changed, 20 insertions(+), 4 deletions(-)

(limited to 'sys-kernel/linux/files/config_prepare.sh')

diff --git a/sys-kernel/linux/files/config_prepare.sh b/sys-kernel/linux/files/config_prepare.sh
index 0d3409f..f4ae6d4 100755
--- a/sys-kernel/linux/files/config_prepare.sh
+++ b/sys-kernel/linux/files/config_prepare.sh
@@ -3,8 +3,24 @@ set -e
 
 B="$(dirname $0)"
 
-# First just deploy arch linux configuration (ah yes I stole it)
-cp "$B"/arch.config .config
+BASE=arch.config
+OVERLAY=overlay.config
+
+if [ "$1" = "virt" ]; then
+	BASE=
+	OVERLAY=virt.config
+fi
+#################################################################################
+
+# First just deploy base configuration (provided or just kernel default)
+if [ -n "$BASE" ]; then
+	cp "$B/$BASE" .config
+else
+	make defconfig
+fi
+
+# We are done if no overlay is specified
+[ -n "$OVERLAY" ] || exit 0
 
 # And now apply changes from overlay.config
 while read L; do
@@ -15,7 +31,7 @@ while read L; do
 	sed -i "#^$OPTION#d" .config
 	# Put config
 	echo "$L" >> .config
-done < "$B/overlay.config"
+done < "$B/$OVERLAY"
 
 # As next step run olddefconfig (note: stderr contains some output about overrided
 # options so I am ignoring it)
@@ -39,6 +55,6 @@ while read L; do
 			echo -e "\e[1;31mN:\e[0m$L"
 		fi
 	fi
-done < "$B/overlay.config"
+done < "$B/$OVERLAY"
 
 exit $EC
-- 
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