@item -d, --diff-version-update
increase the @code{\version} string only if the file has actually
been changed. In that case, the version header will correspond to
-the version after the last actual change. Without that option,
-the version will reflect the last @emph{attempted} conversion.
+the version after the last actual change. An unstable version
+number will be rounded up to the next stable version number unless
+that would exceed the target version number. Without this option,
+the version will instead reflect the last @emph{attempted}
+conversion.
@item -e, --edit
Apply the conversions direct to the input file, modifying it
# Note that last_change can be set even if the result is
# the same if two conversion rules cancelled out
if result == input:
- # check the y in x.y.z (minor version number)
- previous_stable = (last[0], 2*(last[1]/2), 0)
- if ((last[0:2] != from_version[0:2]) and
- (previous_stable > from_version)):
- # previous stable version
- last = previous_stable
- else:
- # make no (actual) change to the version number
- last = from_version
+ # make no (actual) change to the version number
+ last = 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
newversion = r'\version "%s"' % tup_to_str (last)
if lilypond_version_re.search (result):