>>> aurget -S tmuxinator
:: Searching AUR...

Targets (1): tmuxinator-0.6.10-1

Proceed with installation? [Y/n] Y
:: Retrieving taurball from AUR...
:: Building package...
==> Making package: tmuxinator 0.6.10-1 (Fri Apr  3 10:15:36 EDT 2015)
==> Checking runtime dependencies...
==> Installing missing dependencies...
error: target not found: ruby-erubis
error: target not found: ruby-activesupport
error: target not found: ruby-thor
==> ERROR: 'pacman' failed to install missing dependencies.
warning: package tmuxinator failed to build, skipping