Open osc 1.0 development

Upcoming changes:
- drop python2 support
- replace M2Crypto with cryptography
- replace cmdln.py/optparse with argparse
- various cleanups

osc/core.py

@@ -7,7 +7,7 @@ from __future__ import print_function
 
 
 from .util import git_version
-__version__ = git_version.get_version('0.181.0')
+__version__ = git_version.get_version('1.0.0~b0')
 
 
 # __store_version__ is to be incremented when the format of the working copy

osc/util/git_version.py

@@ -69,7 +69,9 @@ def get_version(version):
         # remove the 'g' prefix from hash
         git_hash = git_hash[1:]
 
-    if version and git_tag != version:
+    # removing "~" because it is not an allowed character in git tags
+    # and also because the normalized form is (for example) 1.0.0b0
+    if version and git_tag != version.replace("~", ""):
         msg = "Git tag '{}' doesn't correspond with version '{}' specified in the source code".format(git_tag, version)
         raise ValueError(msg)