Around christmas, the Rubygems people released bundler 2.4. It unfortunately has differences in behaviors (that are being fixed by the bundler people ...) triggered by Autoproj. I've been working hard to get to understand the issue(s) and fix them.
The status of things so far is: in EXISTING workspaces, edit .autoproj/Gemfile to remove the `gem "utilrb" line, and update the autoproj version to 2.16.0. If your workspace is already broken because autoproj itself won't work, you can run the autoproj_install script at https://raw.githubusercontent.com/rock-core/autoproj/master/bin/autoproj_install from within the workspace's root to fix it (after you have changed the Gemfile). Autoproj's own bootstrap script has been updated, so NEW workspaces won't have this issue. I generally recommend following the documentation at https://www.rock-robotics.org/rock-and-syskit/basics/installation.html to bootstrap a rock workspace (even if you're not a Syskit user). It's the most up-to-date regarding Ruby versions, compatibilities and how to install things. Sorry for the inconvenience (and the lack of communication on my part) -- <https://www.tidewise.io/> <https://www.linkedin.com/company/tidewise> <https://www.youtube.com/channel/UCqkA0F52ImGGVNORHx770Vg> Sylvain Joyeux CTO +55 21 3923 5048 43 Equador st., 15th floor, 1502, Santo Cristo Rio de Janeiro / RJ, Brasil
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