File 0043-Prevent-crash-if-pygit2-package-is-requesting-re-com.patch of Package salt.3314

From a6fa29feb9f18b94e8c4b48be52de1bb08711cbb Mon Sep 17 00:00:00 2001
From: Bo Maryniuk <bo@maryniuk.net>
Date: Mon, 18 Apr 2016 16:25:05 +0200
Subject: [PATCH 43/43] Prevent crash if pygit2 package is requesting
 re-compilation

* Prevent crash if pygit2 package is requesting re-compilation of the entire library on production systems (no *devel packages)

* Fix PEP8: move imports to the top of the file

* Move logger up

* Add log error message in case if exception is not an ImportError
---
 salt/utils/gitfs.py | 33 ++++++++++++++++++++-------------
 1 file changed, 20 insertions(+), 13 deletions(-)

diff --git a/salt/utils/gitfs.py b/salt/utils/gitfs.py
index 289aa9e..35dfcb8 100644
--- a/salt/utils/gitfs.py
+++ b/salt/utils/gitfs.py
@@ -19,6 +19,18 @@ import subprocess
 import time
 from datetime import datetime
 
+# Import salt libs
+import salt.utils
+import salt.utils.itertools
+import salt.utils.url
+import salt.fileserver
+from salt.utils.process import os_is_running as pid_exists
+from salt.exceptions import FileserverConfigError, GitLockError
+from salt.utils.event import tagify
+
+# Import third party libs
+import salt.ext.six as six
+
 VALID_PROVIDERS = ('gitpython', 'pygit2', 'dulwich')
 # Optional per-remote params that can only be used on a per-remote basis, and
 # thus do not have defaults in salt/config.py.
@@ -54,16 +66,8 @@ _INVALID_REPO = (
     'master to continue to use this {2} remote.'
 )
 
-# Import salt libs
-import salt.utils
-import salt.utils.itertools
-import salt.utils.url
-import salt.fileserver
-from salt.exceptions import FileserverConfigError, GitLockError
-from salt.utils.event import tagify
+log = logging.getLogger(__name__)
 
-# Import third party libs
-import salt.ext.six as six
 # pylint: disable=import-error
 try:
     import git
@@ -79,8 +83,13 @@ try:
         GitError = pygit2.errors.GitError
     except AttributeError:
         GitError = Exception
-except ImportError:
-    HAS_PYGIT2 = False
+except Exception as err:  # cffi VerificationError also may happen
+    HAS_PYGIT2 = False    # and pygit2 requrests re-compilation
+                          # on a production system (!),
+                          # but cffi might be absent as well!
+                          # Therefore just a generic Exception class.
+    if not isinstance(err, ImportError):
+        log.error('Import pygit2 failed: {0}'.format(err))
 
 try:
     import dulwich.errors
@@ -93,8 +102,6 @@ except ImportError:
     HAS_DULWICH = False
 # pylint: enable=import-error
 
-log = logging.getLogger(__name__)
-
 # Minimum versions for backend providers
 GITPYTHON_MINVER = '0.3'
 PYGIT2_MINVER = '0.20.3'
-- 
2.8.1