Changes to oil --version.

- Bump the version number to prepare for the next release
- Report OVM vs CPython.  Patch our fork to identify as 'OVM'.
- Report CPython version and the compiler (e.g. GCC)

Also update .gitignore.

.gitignore

@@ -1,5 +1,7 @@
 *.swp
 *.pyc
+.vagrant
+_chroot
 _tmp
 _bin
 _build

Python-2.7.13/Lib/platform.py

@@ -1457,7 +1457,9 @@ def python_implementation():
           'PyPy' (Python implementation of Python).
 
     """
-    return _sys_version()[0]
+    # PATCH to identify OVM
+    return 'OVM'
+    #return _sys_version()[0]
 
 def python_version():
 

bin/oil.py

@@ -171,6 +171,9 @@ def _ShowVersion():
   print('Arch: %s' % platform.machine())
   print('OS: %s' % platform.system())
   print('Platform: %s' % platform.version())
+  print('Compiler: %s' % platform.python_compiler())
+  print('Interpreter: %s' % platform.python_implementation())
+  print('Interpreter version: %s' % platform.python_version())
 
 
 def OshMain(argv, login_shell):

oil-version.txt

@@ -1,4 +1,4 @@
-0.1.0
+0.2.alpha1
 
 # The first line of this file is the Oil version, and the rest is ignored.
 # It's used at build time for the release tarball, and at runtime for oil