fix(cygwin): MSYS2 is CYGWIN-derivative, so is_cygwin_git() --> true

ankostis · ankostis · commit fcfdafd86006 · 2017-07-11T16:59:47.000+02:00
diff --git a/git/util.py b/git/util.py
@@ -350,7 +350,7 @@ def is_cygwin_git(git_executable):
                                        universal_newlines=True)
             uname_out, _ = process.communicate()
             #retcode = process.poll()
-            is_cygwin = 'CYGWIN' in uname_out
+            is_cygwin = 'CYGWIN' in uname_out or 'MSYS' in uname_out
         except Exception as ex:
             log.debug('Failed checking if running in CYGWIN due to: %r', ex)
         _is_cygwin_cache[git_executable] = is_cygwin
