Travis has the following preinstalled ruby versions
ruby-2.2.7 ruby-2.3.4 ruby-2.4.1
We use short ruby versions in our .travis.yml so that we don’t need to keep track of which ruby versions are preinstalled in travis:
rvm: - 2.4 - 2.3 - 2.2
Travis maps 2.2 to 2.2.7 and uses the preinstalled version: https://travis-ci.org/puppetlabs/puppet/jobs/474961921#L442-L443.
However, 2.3 maps to 2.3.7 which isn’t preinstalled: https://travis-ci.org/puppetlabs/puppet/jobs/474961920#L442-L443
Similarly, 2.4 maps to 2.4.4 which isn’t preinstalled: https://travis-ci.org/puppetlabs/puppet/jobs/474961918#L442-L444
Can Travis consistently map the short ruby version to the preinstalled versions so that we don’t waste time downloading and unpacking? I’d expect “2.4” to mean “2.4.anything” instead of “2.4.latest”.