scripts/patch-kernel: digest kernel.org hosted .xz patches

kernel.org is hosting patches and kernel compressed with xz (lzma2+).
Allow scripts/patch-kernel to decompress these files.

Signed-off-by: Shawn Landden <shawnlandden@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>

1 files changed, 4 insertions, 0 deletions

diff --git a/scripts/patch-kernel b/scripts/patch-kernel
index 20fb25c23382..d000ea3a41fd 100755
--- a/scripts/patch-kernel
+++ b/scripts/patch-kernel
@@ -116,6 +116,10 @@ findFile () {
                 ext=".bz2"
                 name="bzip2"
                 uncomp="bunzip2 -dc"
+  elif [ -r ${filebase}.xz ]; then
+                ext=".xz"
+                name="xz"
+                uncomp="xz -dc"
   elif [ -r ${filebase}.zip ]; then
                 ext=".zip"
                 name="zip"