sys-fs/jefferson: new package, add 0.4.5

Signed-off-by: David Roman <davidroman96@gmail.com>

sys-fs/jefferson/files/jefferson-use-python-lzo.patch

@@ -0,0 +1,22 @@
+diff --git a/jefferson/jffs2.py b/jefferson/jffs2.py
+index ab1ac8f..1607bdc 100644
+--- a/jefferson/jffs2.py
++++ b/jefferson/jffs2.py
+@@ -9,7 +9,7 @@ import zlib
+ from pathlib import Path
+ 
+ import cstruct
+-from lzallright import LZOCompressor as lzo
++import lzo
+ 
+ import jefferson.compression.jffs2_lzma as jffs2_lzma
+ import jefferson.compression.rtime as rtime
+@@ -180,7 +180,7 @@ class Jffs2_raw_inode(cstruct.CStruct):
+             elif self.compr == JFFS2_COMPR_LZMA:
+                 self.data = jffs2_lzma.decompress(node_data, self.dsize)
+             elif self.compr == JFFS2_COMPR_LZO:
+-                self.data = lzo.decompress(node_data)
++                self.data = lzo.decompress(node_data, False, self.dsize)
+             else:
+                 print("compression not implemented", self)
+                 print(node_data.hex()[:20])