SemVer2 3.3.x gem, following semver.org 2.0.0-rc.2

quickstart on the command line

install it

% gem install semver

use it

% semver                    # => v2.3.4
Find the .semver file and print a formatted string from this.

% semver init
Initialize the .semver file.

% semver tag                # => v0.0.0
Print the tag for the current .semver file.

% semver inc minor          # => v0.1.0
% semver pre 'alpha.45'     # => v0.1.0-alpha.45
% semver meta 'md5.abc123'  # => v0.1.0-alpha.45+md5.abc123
% 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.prerelease = 'alpha.46'
v.metadata = 'md5.abc123'
v.format "%M.%m.%p%s%d"     # => "1.1.0-alpha.46+md5.abc123"
v.to_s                      # => "v1.1.0-alpha.46+md5.abc123"
v.save

git integration

% git config --global alias.semtag '!git tag -a $(semver tag) -m "tagging $(semver tag)"'

existing 'SemVer' class from other gem?

You can now do this:

require 'xsemver'
v = XSemVer::SemVer.find
# ...
v.save

creds