Pretty much came about this independently for bioperl, but maybe it's a bit like convergent evolution :)
bioperl uses the 1.x.y versioning and it has been a real pain to deal will over the years. We've discussed this over the years, and since we're breaking bioperl up into smaller releases we'll be switching over to a 2.x release, pretty much the as the below. my 2c chris On May 31, 2012, at 8:57 AM, Lars Dɪᴇᴄᴋᴏᴡ 迪拉斯 wrote: > This will be part of my talk at YAPC. > > I recommend you use 2.xxx, where xxx is always zero-padded. > > our $VERSION = '2.001'; # 2nd version of revision 2 > our $VERSION = '2.420'; # 421st version of revision 2 > > It has the following properties: > > * It is fully compatible with the advice in > * perlmodstyle > * version.pm > * "strict" version rules > <http://p3rl.org/perl5120delta#Version-number-formats> > * <http://www.dagolden.com/index.php/369/> ¹ > * Perl::Critic::Policy::ValuesAndExpressions::ProhibitVersionStrings > * Perl::Critic::Policy::ValuesAndExpressions::RequireNumericVersion > * It completely prevents: > * trailing zeros from disappearing because it's a quoted string > * the confusion about 1.10 < 1.9 (Perl says that's true, other > system say the opposite) because there are always exactly 3 digits > after the decimal mark, so any(numeric,lexicographical,naturalsort) > comparison has the same result > * the confusion about 5.10.1 == 5.010001 (and the variant mentioned > by Aldo) since there is only a single representation because there > are only enough decimal places (namely 3) for one portion of semver > (or Perl's notion thereof) > * the confusion around v-strings which after all those years still > are such an usual and (on average) poorly understood data type > * that ugly v-prefix in the distro package name > * It is fully compatible with downstream packaging toolchains (RPM > specfile macros and the like). > * It is incompatible with semver. Not a big loss, for the reasons > already mentioned by David. > > ¹ Avoid underscore version numbers and you don't need that ugly `eval`. > Simply use the `TRIAL` feature for trial releases instead. > <https://pause.perl.org/pause/query?ACTION=pause_04about#convention
