I use bundler to manage dependencies in my rails app, and I have a gem hosted in a git repository included as followed:
gem 'gem-name', :git => 'path/to/my/gem.git'
To update this gem, I execute bundle update
but it also updates all the gem mentioned in Gemfile. So what is the command to update just one specific gem?
Here you can find a good explanation on the difference between
Update both gem and dependencies:
bundle update gem-name
or
Update exclusively the gem:
bundle update --source gem-name
along with some nice examples of possible side-effects.
Update
As @Tim's answer says, as of Bundler 1.14 the officially-supported way to this is with bundle update --conservative gem-name
.
The way to do this is to run the following command:
bundle update --source gem-name
You simply need to specify the gem name on the command line:
bundle update gem-name
It appears that with newer versions of bundler (>= 1.14) it's:
bundle update --conservative gem-name
bundle update gem-name [--major|--patch|--minor]
This also works for dependencies.
I've used bundle update --source
myself for a long time but there are scenarios where it doesn't work. Luckily, there's a gem called bundler-patch
which has the goal of fixing this shortcoming.
I also wrote a short blog post about how to use bundler-patch
and why bundle update --source
doesn't work consistently. Also, be sure to check out a post by chrismo that explains in great detail what the --source
option does.
bundler update --source gem-name
will update the revision hash in Gemfile.lock which you can compare with the last commit hash of that git branch (master by default).
GIT
remote: git@github.com:organization/repo-name.git
revision: c810f4a29547b60ca8106b7a6b9a9532c392c954
can be found at github.com/organization/repo-name/commits/c810f4a2
(I used shorthand 8 character commit hash for the url)