I'm trying to uninstall Compass, so I ran sudo gem uninstall compass and it seemed to go through the uninstall process normally. If I try running sudo gem uninstall compass again it just gives me a new command line.
However, if I run compass -v, it still returns version information:
Compass 0.12.2 (Alnilam)
Copyright (c) 2008-2014 Chris Eppstein
Released under the MIT License.
Compass is charityware.
Please make a tax deductable donation for a worthy cause: http://umdf.org/compass
So is Compass really uninstalled? If not, how do I uninstall it completely?
If you ask it gem which compass and go there and remove that gem (manually), you should find joy. However, it seems like you have some issues. Perhaps you are using some kind of Ruby environment manager, such as rbenv, chruby or RVM? Or have used one of them. In that case, you may need to not use sudo to remove the gem. (automated, and recommended).
You are attempting to remove the system installed gem, but not the user space installed gem.
Related
I've been working on a blog using Jekyll so I installed Ruby with this command from the Jekyll doc:
sudo apt-get install ruby ruby-dev build-essential
Then I installed the gems directory to my home folder. I tried out a lot of different themes and just run bundle install when my terminal said I was missing any dependencies. Now I have a lot of packages installed inside the gems folder. Is there a way for me remove unnecessary gems and start over without uninstall gems?
It is highly recommend to not use system ruby but use a ruby version manager. One reason is that you won't have to use sudo before your gem commands.
If you want to remove all your current gems you should be able to just do
gem uninstall --all
But you might need to prepend it with sudo gem uninstall --all
If you intend to do any longer term work / multiple projects with ruby, I recommend using RVM. You can find detailed install instructions here
Some prefer rbenv however it's install instructions seem to be focused on MacOS, so if you're on linux, I dunno.
You can just run:
gem uninstall [gemname]
to remove them one at a time.
When trying to bundle install on a Gemfile that contained only the GitHub Pages gem and nothing else, on Ubuntu 18.04, I got error messages telling me to try installing eventmachine using gem install. That always succeeds, but bundle install still fails. How can I get bundler to see that the gem is installed?
I fixed this after many hours of struggle, by noticing that on the GitHub Pages repo there's a note that says
Important: Make sure you have Bundler > v1.14 by running gem update bundler in your terminal before following the next steps.
I have no idea why this mattered but I removed my ruby packages from Ubuntu and reinstalled them, then installed bundler with rubygems, which gave me a newer version:
sudo apt-get remove ruby
sudo apt-get install ruby ruby-dev
sudo gem install bundler
bundler --version
If anyone knows why I needed that version of bundler, or how I should have diagnosed this faster, I'd be interested to hear it. I'm not new to programming but I'm new to Ruby.
From my understanding it might be the gem you are trying to install requires a specific feature provided by bundler. If you check the change log of bundler there is some changes related to install github based gems on how to correctly read the user git settings. So I think that might be where the problem is from.
I get this error when I try to compile using Compass on Codekit:
Compass failed to run because your Mac has an older version of Sass
and/or Compass installed that conflicts with the newer versions in
CodeKit. You must remove all versions of Sass below 3.3.rc6 and all
versions of Compass below 1.0.alpha18. Do this at the command line by
running 'sudo gem uninstall sass' and 'sudo gem uninstall compass'.
I ran sudo gem uninstall sass and sudo gem uninstall compass, however when I try to compile through CodeKit again I get the same error.
try running gem query --local this will list local gems, once you have a list, just go through and remove all sass+compass related gems with sudo gem uninstall ___, pretty sure that compass also has compass-core, but there are probably more
How have you initially installed your gems? Is it possible that you've also installed gems with just gem install? Cuz sudo gem installs gems as root for all users while gem install only installs gems for your active user. So maybe gems left installed which aren't uninstalled with sudo gem uninstall?
On the other hand why uninstall compass at all. I am running Codekit 2.1 with its internal Sass 3.3.10 along with the external gem Compass 0.12.4. That actually works quite well. You have go to Codekit Preferences -> Other Tools -> Compassand choose the radio button "Use the Compass executable at this path" and select your Compass gem then.
If you are using RVM for your ruby management then switch to your system ruby version
rvm use system
and install sass and compass for this version
sudo gem install sass
sudo gem install compass
This worked for me!
I have two versions of Compass, 0.12 and 0.13.alpha. The default version is 0.13.alpha but sometimes I need to switch to 0.12.
What command will permit this, please?
old topic, but I just came across the issue of having 2 projects. one using compass version 0.12 and the other 1.0.
as the newer version of compass relies on a new major release of sass, many deprecation warnings and compatibility issues are experienced when trying to run the newer compass on the old project.
well, now to the solution:
ruby gems already support having multiple versions installed. and after taking a look into the compass executable, it turns out there is a way to specify which compass version to use (the file is generated by rubygems, see http://pastebin.com/HeZnE0T5 if you are curious)
with that we can now have multiple versions of compass installed at once. eg:
gem install compass -pre // currently version 1.0.0.alpha.19
gem install compass // currently version 0.12.6
and now we can use them by specifying which version to use:
$ compass version
Compass 1.0.0.alpha.19
Copyright (c) 2008-2014 Chris Eppstein
Released under the MIT License.
Compass is charityware.
Please make a tax deductable donation for a worthy cause: http://umdf.org/compass
$ compass _0.12.6_ version
Compass 0.12.6 (Alnilam)
Copyright (c) 2008-2014 Chris Eppstein
Released under the MIT License.
Compass is charityware.
Please make a tax deductable donation for a worthy cause: http://umdf.org/compass
this obviously also works for other compass commands, eg watch:
$ compass _0.12.6_ watch .
>>> Compass is watching for changes. Press Ctrl-C to Stop.
EDIT: of course the version switch can be done in a Gemfile, but in my case its not a ruby project and compass is started via command line
If you are switching versions for different projects, I recommend using either RVM (Ruby) or virtualenv with some help (Python) or something similar to manage gems and versions. Bundler will help make either solution simpler to maintain.
If you are switching versions within a project, I recommend reconsidering your approach.
This is really simple using bundler.
Install bundler:
$ gem install bundler
Create the Gemfile in your project if you don't already have one:
$ bundle init
Specify the version you want/need in your Gemfile:
gem 'compass', '~>0.12.2'
gem 'sass', '3.2.8'
Install the specific gems and dependencies you have defined in your Gemfile:
$ bundle install
When executing a gem, you can now use bundler to control which version to execute based on your Gemfile:
$ bundle exec compass watch
That's it!
It's helpful to leave a comment in your Gemfile telling other developers how to use bundler:
# Now that you're using Bundler, you need to run `bundle exec compass watch` instead of simply `compass watch`.
Read more about versioning at http://bundler.io/v1.6/gemfile.html
Change the gemfile, add in a version parameter.
I have successfully installed Ruby Gems on my Mac many times. I need to configure a Windows 7 Enterprise virtual machine with Compass, Sass and Suzy.
I downloaded an installed Ruby on the Windows machine with the installer, 1.9.3. I ran gem update --system which updated Rubygems to 1.8.4.
I was able to install Sass 3.2 by running gem install sass
However, if I run gem install compass or gem install susy I get an error:
Error while excecuting gem .. (ArgumentError) marshall data too short
Any ideas? At this point, I can't install those gems.
The alternative solution..: Download gem compass from here to your ruby root folder. Then try again
gem install compass
It should install this time..Good luck
Had same issue, updating rubygems system solved it. Just use the following command
gem update --system
For those finding this question, many great tips here. Using them, I found this solution to work:
At the N: prompt in "start command line with ruby environment", I used the command rmdir /S .gem which deleted all gems. I then installed them again with gem install as directed on their respective host web pages. Hope this helps someone.