To update just one gem (and it's dependencies), do: bundle update gem-name But to update just the gem alone (without updating it's dependencies), do
Full Answer
How do I update my Gemfile to a different version of rails?
Since you originally declared a dependency on rails 3.0.0.rc, if you want to update to rails 3.0.0, simply update your Gemfile to gem 'rails', '3.0.0' and run: As described above, the bundle install command always does a conservative update, refusing to update gems (or their dependencies) that you have not explicitly changed in the Gemfile.
How does bundler know when I update my Gemfile?
If you update your Gemfile, and your system already has all of the needed dependencies, bundler will transparently update the Gemfile.lock when you boot your application.
What happens if a transparent update fails in Gemfile?
If a transparent update fails, your application will fail to boot, and bundler will print out an error instructing you to run bundle install . Sometimes, you want to update a dependency without modifying the Gemfile. For example, you might want to update to the latest version of rack-cache.
How to update Rails 3.0.0?
What happens if a transparent update fails?
Can you update Rails to Rack 1.2.2?
Does bundler update the gemfile?
Can you update a dependency without modifying the Gemfile?
Does the Gemfile update rack cache?
See 1 more
How do you update a specific gem?
If you want to update a single gem to a specific version: change the version of the gem in the Gemfile. bundle update.
How do you update a specific gem in Pokemon Ruby?
RubyGemsUpdate RubyGems. To update to its latest version with: gem update --system.Install gems. To install a gem (Ruby package), run: gem install
What gem update -- system does?
gem update --system only updates RubyGems. gem update will update all installed gems to their latest versions, so it will update Rails to 3.0. 0. in your application folder.
How do you upgrade gems in rails?
6 AnswersSpecify the desired version in your Gemfile (e.g. gem 'rails', '~> 5.2. rc1' )Run bundle install ( bundle update may be needed)Run rails app:update ( rake rails:update for 4.2 and earlier)Follow instructions on screen.Follow the official guide for additional steps depending on your version.
What is gem command?
The gem command allows you to interact with RubyGems. Ruby 1.9 and newer ships with RubyGems built-in but you may need to upgrade for bug fixes or new features.
What is gem CLI?
Command Line Interface gem allows you to quickly specify command argument parser that will automatically generate usage, handle stdin, switches, options and arguments with default values and value casting.
How do I uninstall a specific gem?
Removing a specific gemsudo gem uninstall GEMNAME.sudo gem uninstall GEMNAME --version 1.1.0.sudo gem cleanup GEMNAME.sudo gem cleanup.
How do I check my gem version?
To check if a specific version is installed, just add --version , e.g.: gem list -i compass --version 0.12.
How do you update bundles?
How to update the bundler version in a Gemfile. lockInstall the latest bundler version: Copy. gem install bundler Fetching bundler-2.3.5.gem Successfully installed bundler-2.3.5 1 gem installed.Update the bundler version in Gemfile.lock : Copy. bundle update --bundler.Confirm it worked: Copy.
How do I update Ruby in terminal?
Ruby versions (updating) Upgrade ruby (using rvm) sudo rvm get head. ... Install bundler. gem install bundler. Go to application root directory and install gems. cd APPLICATION_ROOT. ... Install Easy Redmine. rake easyproject:install RAILS_ENV=production. You may also need to change the ruby version in a startup script.
How do I update Ruby in Rails?
How to upgrade Ruby versions for your Ruby on Rails appInstalling the latest Ruby version. ... Updating your Gemfile. ... Obviously if you are reading this in the future then be sure to use the latest versions of each.Installing all the new gems. ... Update your JavaScript packages, too.More items...•
How do I get Gemfile lock?
After running the bundle install command, 'Gemfile. lock' is created in the working directory....You'll see a different one of these sections for each git remote, and within each section you'll see:remote: the git remote. ... revision: the commit reference the Gemfile. ... tag: (optional) the tag specified in the Gemfile.More items...
How do you update bundles?
How to update the bundler version in a Gemfile. lockInstall the latest bundler version: Copy. gem install bundler Fetching bundler-2.3.5.gem Successfully installed bundler-2.3.5 1 gem installed.Update the bundler version in Gemfile.lock : Copy. bundle update --bundler.Confirm it worked: Copy.
How do I update Ruby in terminal?
Ruby versions (updating) Upgrade ruby (using rvm) sudo rvm get head. ... Install bundler. gem install bundler. Go to application root directory and install gems. cd APPLICATION_ROOT. ... Install Easy Redmine. rake easyproject:install RAILS_ENV=production. You may also need to change the ruby version in a startup script.
What is ~> Gemfile?
Gemfile - A format for describing gem dependencies for Ruby programs. A Gemfile describes the gem dependencies required to execute associated Ruby code. Place the Gemfile in the root of the directory containing the associated code.
What is Gemfile lock?
The Gemfile. lock allows you to specify the versions of the dependencies that your application needs in the Gemfile , while remembering all of the exact versions of third-party code that your application used when it last worked correctly. By specifying looser dependencies in your Gemfile (such as nokogiri ~> 1.4.
How to update bundler, gem-wrappers gems - Stack Overflow
How to update bundler, gem-wrappers gems in my Gemfile. The following gems are shown as outdated but I don't see a direct reference to them in the Gemfile. gem outdated bundler (1.7.3 < 1....
Updating Gemfile.lock without installing gems - Stack Overflow
Is there a way to force an update of the Gemfile.lock without installing the gems that have changed?
A Guide to Update Gems with bundle update - Medium
Step 3 — Update “Production” gems. If you are fearless you could use $ bundle update.. Else — a more cautious approach — would be to split bundle update in 3 separate sub-steps, with ...
Bundler: bundle update
bundle update. bundle-update - Update your gems to the latest available versions. bundle update *gems [--all] [--group=NAME] [--source=NAME] [--local] [--ruby ...
Bundler: How to Upgrade to Bundler 2
The version of Bundler in the BUNDLED WITH section is read by Bundler to determine which version of Bundler should run. Using the example lock above, Bundler 1 will be used, as you can see here:
How to update Rails 3.0.0?
Since you originally declared a dependency on rails 3.0.0.rc, if you want to update to rails 3.0.0, simply update your Gemfile to gem 'rails', '3.0.0' and run:
What happens if a transparent update fails?
If a transparent update fails, your application will fail to boot, and bundler will print out an error instructing you to run bundle install .
Can you update Rails to Rack 1.2.2?
However, we didn't specifically ask to update rack-cache , which may not be compatible with rack 1.2.2 (for whatever reason). And while an update from rack 1.2.1 to rack 1.2.2 probably won't break anything, similar scenarios can happen that involve much larger jumps. (see [1] below for a larger discussion)
Does bundler update the gemfile?
If you update your Gemfile, and your system already has all of the needed dependencies, bundler will transparently update the Gemfile.lock when you boot your application. For instance, if you add mysql to your Gemfile, and have already installed it in your system, you can boot your application without running bundle install, ...
Can you update a dependency without modifying the Gemfile?
Sometimes, you want to update a dependency without modifying the Gemfile. For example, you might want to update to the latest version of rack-cache. Because you did not declare a specific version of rack-cache in the Gemfile, you might want to periodically get the latest version of rack-cache.
Does the Gemfile update rack cache?
It will not modify any other dependencies.
What does Bundler do when installing Jekyll?
This means that when you install Jekyll, you are also installing a bunch of other gems, and the gems that they depend on, and so on. Bundler has a handy command to see all the gems your project installs: You can also look in your Gemfile.lock to see the exact versions of gems that depend on each other.
Does Jekyll depend on other gems?
It’s important to note that just because you specify a newer version number doesn’t necessarily mean it can be installed. Most gems in your Gemfile will also depend on other gems. If you go back to the Jekyll page in Rubygems, you will see all the gems it depends on under “Runtime Dependencies”. This means that when you install Jekyll, you are also installing a bunch of other gems, and the gems that they depend on, and so on. Bundler has a handy command to see all the gems your project installs:
Can you use a Jekyll gem with another gem?
For example, the latest version of the github-pages gem uses = 3.9.0 for Jekyll, which means exactly 3.9.0. You can't use any other version of Jekyll with the github-pages gem. So, if you tried to update Jekyll with both gems specified in your Gemfile like this:
Can you pin a gem to 1.1.1?
While you wait for the fix, you can pin the gem to exactly version 1.1.1, so Bundler won’t try to update it:
How to update Rails 3.0.0?
Since you originally declared a dependency on rails 3.0.0.rc, if you want to update to rails 3.0.0, simply update your Gemfile to gem 'rails', '3.0.0' and run:
What happens if a transparent update fails?
If a transparent update fails, your application will fail to boot, and bundler will print out an error instructing you to run bundle install .
Can you update Rails to Rack 1.2.2?
However, we didn't specifically ask to update rack-cache , which may not be compatible with rack 1.2.2 (for whatever reason). And while an update from rack 1.2.1 to rack 1.2.2 probably won't break anything, similar scenarios can happen that involve much larger jumps. (see [1] below for a larger discussion)
Does bundler update the gemfile?
If you update your Gemfile, and your system already has all of the needed dependencies, bundler will transparently update the Gemfile.lock when you boot your application. For instance, if you add mysql to your Gemfile, and have already installed it in your system, you can boot your application without running bundle install, ...
Can you update a dependency without modifying the Gemfile?
Sometimes, you want to update a dependency without modifying the Gemfile. For example, you might want to update to the latest version of rack-cache. Because you did not declare a specific version of rack-cache in the Gemfile, you might want to periodically get the latest version of rack-cache.
Does the Gemfile update rack cache?
It will not modify any other dependencies.
