gistfile1.txt

foo@ecf00eb298cc:~$ rvm use --install --binary --fuzzy jruby-9.2.5.0
Required jruby-9.2.5.0 is not installed - installing.
Searching for binary rubies, this might take some time.
Found remote file https://repo1.maven.org/maven2/org/jruby/jruby-dist/9.2.5.0/jruby-dist-9.2.5.0-bin.tar.gz
Checking requirements for ubuntu.
Installing requirements for ubuntu.
Updating systemfoo password required for 'apt-get --quiet --yes update':
....
Installing required packages: patch, bzip2, gawk, g++, make, openjdk-8-jre-headless............................................................
Requirements installation successful.
jruby-9.2.5.0 - #configure
jruby-9.2.5.0 - #download
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 22.9M  100 22.9M    0     0  15.8M      0  0:00:01  0:00:01 --:--:-- 15.8M
No checksum for downloaded archive, recording checksum in user configuration.
jruby-9.2.5.0 - #validate archive
jruby-9.2.5.0 - #extract
jruby-9.2.5.0 - #validate binary
jruby-9.2.5.0 - #setup
jruby-9.2.5.0 - #gemset created /home/foo/.rvm/gems/jruby-9.2.5.0@global
jruby-9.2.5.0 - #importing gemset /home/foo/.rvm/gemsets/jruby/global.gems..
jruby-9.2.5.0 - #generating global wrappers.......
jruby-9.2.5.0 - #gemset created /home/foo/.rvm/gems/jruby-9.2.5.0
jruby-9.2.5.0 - #importing gemsetfile /home/foo/.rvm/gemsets/default.gems evaluated to empty gem list
jruby-9.2.5.0 - #generating default wrappers.......
Using /home/foo/.rvm/gems/jruby-9.2.5.0
foo@ecf00eb298cc:~$ ruby -v
jruby 9.2.5.0 (2.5.0) 2018-12-06 6d5a228 OpenJDK 64-Bit Server VM 25.191-b12 on 1.8.0_191-8u191-b12-2ubuntu0.16.04.1-b12 +jit [linux-x86_64]
foo@ecf00eb298cc:~$ gem install bundler
Fetching: bundler-2.0.1.gem (100%)
Successfully installed bundler-2.0.1
1 gem installed
foo@ecf00eb298cc:~$ gem uninstall -v '>= 2' -i $(rvm gemdir)@global -ax bundler
Removing bundle
Removing bundler
Successfully uninstalled bundler-2.0.1
foo@ecf00eb298cc:~$ gem install bundler '< 2'
Successfully installed bundler-2.0.1
ERROR:  Could not find a valid gem '< 2' (>= 0) in any repository
1 gem installed
foo@ecf00eb298cc:~$ gem --version
2.7.6
foo@ecf00eb298cc:~$ gem uninstall -v '>= 2' -i $(rvm gemdir)@global -ax bundler
ERROR:  While executing gem ... (Gem::InstallError)
    bundler is not installed in GEM_HOME, try:
        gem uninstall -i /home/foo/.rvm/gems/jruby-9.2.5.0 bundler
foo@ecf00eb298cc:~$ gem install bundler -v '< 2'
Fetching: bundler-1.17.3.gem (100%)
Successfully installed bundler-1.17.3
1 gem installed
foo@ecf00eb298cc:~$ bundle --version
Bundler version 2.0.1