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chruby can be used with pow to select a specific Ruby per project, or system-wide.
To set a default Ruby for all pow apps, put the following in
or, if you installed chruby with homebrew:
To set a Ruby for a single application put the following in
.powenv in your applications root directory. See Choosing the Right
Environment Script in the pow
manual for details on which file to use.
.powrc or .powenv
source /etc/profile.d/chruby.sh chruby $(cat .ruby-version)
Adjust the paths to match your install. This assumes that you have
installed a ruby that matches