- # check the y in x.y.z (minor version number)
- if last[0:2] != from_version[0:2]:
- # previous stable version
- last = (last[0], 2*(last[1]/2), 0)
- else:
- # make no (actual) change to the version number
- last = from_version
+ # make no (actual) change to the version number
+ last = org_version or from_version
+ else:
+ last = last_change
+ # If the last update was to an unstable version
+ # number, and the final update target is no longer in
+ # the same unstable series, we update to the stable
+ # series following the unstable version.
+ if last[1]%2: # unstable
+ next_stable = (last[0], last[1]+1, 0)
+ if next_stable <= to_version:
+ last = next_stable