From fe9c0ae0b703ce6a7164ceaa309ddb3cfda54394 Mon Sep 17 00:00:00 2001
From: y-p <yoval@gmx.com>
Date: Thu, 19 Dec 2013 06:55:07 +0200
Subject: [PATCH] BLD: Handle git describe failure more cleanly in setup.py
 GH5495

---
 setup.py | 40 ++++++++++++++++++++++------------------
 1 file changed, 22 insertions(+), 18 deletions(-)

diff --git a/setup.py b/setup.py
index fe921b1ff6029..5a09a27f36eee 100755
--- a/setup.py
+++ b/setup.py
@@ -197,26 +197,30 @@ def build_extensions(self):
 
 FULLVERSION = VERSION
 if not ISRELEASED:
+    import subprocess
     FULLVERSION += '.dev'
-    try:
-        import subprocess
+
+    for cmd in ['git','git.cmd']:
         try:
-            pipe = subprocess.Popen(["git", "describe", "--always"],
-                                    stdout=subprocess.PIPE).stdout
-        except OSError:
-            # msysgit compatibility
-            pipe = subprocess.Popen(
-                ["git.cmd", "describe", "--always"],
-                stdout=subprocess.PIPE).stdout
-        rev = pipe.read().strip()
-        # makes distutils blow up on Python 2.7
-        if sys.version_info[0] >= 3:
-            rev = rev.decode('ascii')
-
-        FULLVERSION = rev.lstrip('v')
-
-    except:
-        warnings.warn("WARNING: Couldn't get git revision")
+            pipe = subprocess.Popen([cmd, "describe", "--always"],
+                                stdout=subprocess.PIPE)
+            (so,serr) = pipe.communicate()
+            if pipe.returncode == 0:
+                break
+        except:
+            pass
+
+    if pipe.returncode != 0:
+      warnings.warn("WARNING: Couldn't get git revision, using generic version string")
+    else:
+      rev = so.strip()
+      # makes distutils blow up on Python 2.7
+      if sys.version_info[0] >= 3:
+          rev = rev.decode('ascii')
+
+      # use result og git describe as version string
+      FULLVERSION = rev.lstrip('v')
+
 else:
     FULLVERSION += QUALIFIER