Update just one gem with bundler

Question

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   gt   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

User · Answer

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

User · Answer

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

User · Answer

You simply need to specify the gem name on the command line   bundle update gem-name

User · Answer

It appears that with newer versions of bundler     1 14  it s   bundle update --conservative gem-name

User · Answer

The way to do this is to run the following command   bundle update --source gem-name

User · Answer

If you want to update a single gem to a specific version   change the version of the gem in the Gemfile bundle update   gt  ruby -v ruby 2 6 5p114  2019-10-01 revision 67812   x86 64-darwin19   gt  gem -v 3 0 3  gt  bundle -v Bundler version 2 1 4

User · Answer

bundle update gem-name  --major --patch --minor   This also works for dependencies

User · Answer

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

[ruby] Update just one gem with bundler

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