From db8595711be5e7dd5c904faa945b9fb3945e4539 Mon Sep 17 00:00:00 2001
From: Raphael Medaer <rme@escaux.com>
Date: Wed, 27 Apr 2016 18:03:22 +0200
Subject: [PATCH] Added '.xz' reader in HTTP download. This fixed issue when
 you try to mirror a distribution with only Packages.xz (example
 'debian/experimental').

---
 http/download.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/http/download.go b/http/download.go
index 77af8703..eb2ff666 100644
--- a/http/download.go
+++ b/http/download.go
@@ -3,6 +3,7 @@ package http
 import (
 	"compress/bzip2"
 	"compress/gzip"
+	"github.com/smira/go-xz"
 	"fmt"
 	"github.com/mxk/go-flowrate/flowrate"
 	"github.com/smira/aptly/aptly"
@@ -322,6 +323,10 @@ var compressionMethods = []struct {
 		extenstion:     ".gz",
 		transformation: func(r io.Reader) (io.Reader, error) { return gzip.NewReader(r) },
 	},
+	{
+		extenstion:     ".xz",
+		transformation: func(r io.Reader) (io.Reader, error) { return xz.NewReader(r) },
+	},
 	{
 		extenstion:     "",
 		transformation: func(r io.Reader) (io.Reader, error) { return r, nil },