From aef234558d765b547c2e4721dcc2cdb8a7b75354 Mon Sep 17 00:00:00 2001
From: Michael Ciociola <549853+Spoons@users.noreply.github.com>
Date: Tue, 6 Apr 2021 17:29:29 -0400
Subject: [PATCH] Fix failure to extract kernel patch when srcdest is set in
 Arch (#218)

---
 linux-tkg-config/prepare | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/linux-tkg-config/prepare b/linux-tkg-config/prepare
index 6afbfbf..c9f8bf5 100644
--- a/linux-tkg-config/prepare
+++ b/linux-tkg-config/prepare
@@ -349,7 +349,11 @@ _tkg_srcprep() {
     if [ "$_sub" != "0" ] && [[ "$_sub" != rc* ]]; then
       msg2 "Patching from $_basekernel to $pkgver"
       if [ ! -e "$srcdir/patch-${pkgver}" ]; then
-        ( cd "$_where" && xz -dk patch-${pkgver}.xz && mv "$_where"/patch-${pkgver} "$srcdir"/ )
+        if [ -e "$srcdir/patch-${pkgver}.xz" ]; then
+          xz -dk "$(readlink -f "$srcdir/patch-${pkgver}.xz")" --stdout > "$srcdir/patch-${pkgver}"
+        else
+          ( cd "$_where" && xz -dk patch-${pkgver}.xz && mv "$_where"/patch-${pkgver} "$srcdir"/ )
+        fi
       fi
       tkgpatch="$srcdir/patch-${pkgver}" && _tkg_patcher
     fi