From 4f8eb237724deb1748c8e7a6b489ef2149b0c8cf Mon Sep 17 00:00:00 2001
From: Nick White <git@njw.me.uk>
Date: Mon, 15 Jun 2009 13:19:43 +0100
Subject: Improve new libre-sources ebuild

---
 .../libre-sources/libre-sources-2.6.30.ebuild      | 30 ++++++++++++----------
 1 file changed, 16 insertions(+), 14 deletions(-)

(limited to 'sys-kernel')

diff --git a/sys-kernel/libre-sources/libre-sources-2.6.30.ebuild b/sys-kernel/libre-sources/libre-sources-2.6.30.ebuild
index 6968b1c..846c20d 100644
--- a/sys-kernel/libre-sources/libre-sources-2.6.30.ebuild
+++ b/sys-kernel/libre-sources/libre-sources-2.6.30.ebuild
@@ -9,22 +9,24 @@ SRC_URI="http://www.linux-libre.fsfla.org/pub/linux-libre/releases/${PV}-libre/l
 
 KEYWORDS="~amd64 x86"
 
-# use our own unpack function as tarball is laid out differently
-universal_unpack() {
-	cd ${WORKDIR}
-	unpack linux-${KV_FULL}.tar.bz2
-	S=${WORKDIR}/linux-${KV_FULL}
-	mv ${WORKDIR}/linux-${PV} ${WORKDIR}/linux-${KV_FULL} \
-		|| die "Unable to move source tree to ${KV_FULL}."
-	cd ${S}
-
-	# remove all backup files
-	find . -iname "*~" -exec rm {} \; 2> /dev/null
-}
-
 src_unpack() {
-	# patches included in tarball
+	# kernel revision patches included in tarball
 	UNIPATCH_LIST_DEFAULT=""
 
+	# universal_unpack expects a different kernel tarball name
+	expected_tarball=${WORKDIR}/linux-${OKV}.tar.bz2
+
+	# temporarily move any preexisting kernel tarball
+	[[ -f $expected_tarball ]] && \
+		mv $expected_tarball ${expected_tarball}-original
+
+	ln -sf ${WORKDIR}/linux-${KV_FULL}.tar.bz2 $expected_tarball
+
 	kernel-2_src_unpack
+
+	rm $expected_tarball
+
+	# put any preexisting tarball back in its original location
+	[[ -f ${expected_tarball}-original ]] && \
+		mv ${expected_tarball}-original $expected_tarball
 }
-- 
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