rbenv version shows symlinks acting like aliases
#637
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Example:
$ rbenv versions
system
1.8.7 -> 1.8.7-p375
1.8.7-p375
rbx -> rbx-2.2.10
rbx-2.2.10
Because a version alias points to another version in rbenv, its executables will get included in the rehash process anyway. I hoped that this results in rehash speedup because fewer directories get processed on a system with lots of aliases (I have 9), but the truth is I didn't witness any speedup. It's likely that the overhead of `rbenv-versions --skip-aliases` makes up for any performance gain that we could have had here.
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Show symlinks acting like aliases under
$RBENV_ROOT/versions:Before this symlink aliases would display just like any other version, making it hard to distinguish between "real" versions and symlinks that are just shortcuts.
馃毀 Proof of concept. Needs code cleanup, tests. 馃毀
This is slated for a post-1.0 release. In discussion with @sstephenson we thought that it would be a good idea to pair this with an
rbenv aliascommand to manage such aliases.(h/t to @tpope https://github.com/tpope/rbenv-aliases)