dev-lang/rust: update patch from pr65932

Signed-off-by: Steffen Kuhn <nielson2@yandex.com>
Closes: https://github.com/gentoo/gentoo-rust/pull/460
Signed-off-by: Mikhail Pukhlikov <cynede@gentoo.org>

1 files changed, 61 insertions, 1 deletions

diff --git a/dev-lang/rust/files/pr65932.patch b/dev-lang/rust/files/pr65932.patch
index 8d8497a..b383e34 100644
--- a/dev-lang/rust/files/pr65932.patch
+++ b/dev-lang/rust/files/pr65932.patch
@@ -1,7 +1,7 @@
 From f59c3fdc0906d2af60b52e9d5782f2e3cf39ad03 Mon Sep 17 00:00:00 2001
 From: Guanqun Lu <guanqun.lu@gmail.com>
 Date: Tue, 29 Oct 2019 16:48:05 +0800
-Subject: [PATCH] download .tar.xz if python3 is used
+Subject: [PATCH 1/3] download .tar.xz if python3 is used
 
 ---
  src/bootstrap/bootstrap.py | 21 ++++++++++++---------
@@ -77,3 +77,63 @@ index 4caf36a6f2a5..efde8bd6ce10 100644
  
      @staticmethod
      def fix_executable(fname):
+
+From afd1a575fc561c60dc640ebc4b4bbb0ffe2f127e Mon Sep 17 00:00:00 2001
+From: Guanqun Lu <guanqun.lu@gmail.com>
+Date: Wed, 30 Oct 2019 23:01:46 +0800
+Subject: [PATCH 2/3] python3 only has lzma support after 3.3
+
+---
+ src/bootstrap/bootstrap.py | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/bootstrap/bootstrap.py b/src/bootstrap/bootstrap.py
+index efde8bd6ce10..06c439082c76 100644
+--- a/src/bootstrap/bootstrap.py
++++ b/src/bootstrap/bootstrap.py
+@@ -329,7 +329,7 @@ def __init__(self):
+         self.rust_root = ''
+         self.use_locked_deps = ''
+         self.use_vendored_sources = ''
+-        self.tarball_suffix = '.tar.gz' if sys.version_info[0] == 2 else '.tar.xz'
++        self.tarball_suffix = '.tar.xz' if sys.version_info[0:2] >= (3, 3) else '.tar.gz'
+         self.verbose = False
+ 
+     def download_stage0(self):
+
+From bbb5ac2ff22de6d8021aa200270af2cdc92e4d0d Mon Sep 17 00:00:00 2001
+From: Guanqun Lu <guanqun.lu@gmail.com>
+Date: Thu, 31 Oct 2019 12:13:51 +0800
+Subject: [PATCH 3/3] try import lzma to detect if xz is supported
+
+---
+ src/bootstrap/bootstrap.py | 8 +++++++-
+ 1 file changed, 7 insertions(+), 1 deletion(-)
+
+diff --git a/src/bootstrap/bootstrap.py b/src/bootstrap/bootstrap.py
+index 06c439082c76..a192e3a1cc00 100644
+--- a/src/bootstrap/bootstrap.py
++++ b/src/bootstrap/bootstrap.py
+@@ -314,6 +314,12 @@ def output(filepath):
+         shutil.copy2(tmp, filepath)
+         os.remove(tmp)
+ 
++def supports_lzma():
++    try:
++        import lzma
++        return True
++    except ImportError:
++        return False
+ 
+ class RustBuild(object):
+     """Provide all the methods required to build Rust"""
+@@ -329,7 +335,7 @@ def __init__(self):
+         self.rust_root = ''
+         self.use_locked_deps = ''
+         self.use_vendored_sources = ''
+-        self.tarball_suffix = '.tar.xz' if sys.version_info[0:2] >= (3, 3) else '.tar.gz'
++        self.tarball_suffix = '.tar.xz' if supports_lzma() else '.tar.gz'
+         self.verbose = False
+ 
+     def download_stage0(self):
+