SemVer2 3.0.x gem, following semver.org 2.0.0-rc.1
quickstart on the command line
install it
% gem install semver
use it
% semver init
% semver tag # => v0.0.0
% semver inc minor # => v0.1.0
% semver special 'alpha.45' # => v0.1.0-alpha.45
% semver format "%M.%m" # => 0.1
% git tag -a `semver tag`
% say 'that was easy'
quickstart for ruby
require 'semver'
v = SemVer.find
v.major # => "0"
v.major += 1
v.major # => "1"
v.special = 'alpha.46'
v.format "%M.%m.%p%s" # => "1.1.0-alpha.46"
v.to_s # => "v1.1.0"
v.save
git integration
% git config --global alias.semtag '!git tag -a $(semver tag) -m "tagging $(semver tag)"'