You can also copy a gemset from one ruby to another.
$ rvm gemset copy 1.8.7@rails3 1.9.2-head@rails3
This does not require gemsets.
$ rvm gemset copy 1.8.7 1.9.2-head
You can also copy a gemset from one ruby to another.
$ rvm gemset copy 1.8.7@rails3 1.9.2-head@rails3
This does not require gemsets.
$ rvm gemset copy 1.8.7 1.9.2-head