RVM installation fails.

gistfile1.txt

$ curl -sSL https://get.rvm.io | bash -s stable --ruby
Downloading https://github.com/rvm/rvm/archive/1.29.2.tar.gz
Downloading https://github.com/rvm/rvm/releases/download/1.29.2/1.29.2.tar.gz.asc
gpg: Signature made Thu Jun 22 19:18:38 2017 EEST using RSA key ID BF04FF17
gpg: Good signature from "Michal Papis (RVM signing) <[email protected]>" [unknown]
gpg:                 aka "Michal Papis <[email protected]>" [unknown]
gpg:                 aka "[jpeg image of size 5015]" [unknown]
gpg: WARNING: This key is not certified with a trusted signature!
gpg:          There is no indication that the signature belongs to the owner.
Primary key fingerprint: 409B 6B17 96C2 7546 2A17  0311 3804 BB82 D39D C0E3
     Subkey fingerprint: 62C9 E5F4 DA30 0D94 AC36  166B E206 C29F BF04 FF17
GPG verified '/Users/onni.hakala/.rvm/archives/rvm-1.29.2.tgz'

Upgrading the RVM installation in /Users/onni.hakala/.rvm/
    RVM PATH line found in /Users/onni.hakala/.mkshrc /Users/onni.hakala/.profile /Users/onni.hakala/.bashrc /Users/onni.hakala/.zshrc.
    RVM sourcing line found in /Users/onni.hakala/.profile /Users/onni.hakala/.bash_profile /Users/onni.hakala/.zlogin.
Upgrade of RVM in /Users/onni.hakala/.rvm/ is complete.

# Onni Hakala,
#
#   Thank you for using RVM!
#   We sincerely hope that RVM helps to make your life easier and more enjoyable!!!
#
# ~Wayne, Michal & team.

In case of problems: https://rvm.io/help and https://twitter.com/rvm_io

Upgrade Notes:

  * No new notes to display.

bash: line 880: __rvm_print_headline: command not found