[Solved] How does bundle exec affect the environment when executing a Ruby command? — Ans: It runs the command using gems specified in the project's Gemfile.lock | Ruby

Ruby - Gems and Bundler

How does bundle exec affect the environment when executing a Ruby command?

AIt installs missing gems before running the command

BIt runs the command using gems specified in the project's Gemfile.lock

CIt updates all gems to their latest versions before execution

DIt ignores the Gemfile and uses system-wide gems

Step-by-Step Solution

Solution:

Step 1: Understand Bundler's Role
Bundler manages gem dependencies for Ruby projects by locking gem versions in Gemfile.lock.
Step 2: Effect of bundle exec
When running a command with bundle exec, it ensures the command uses the exact gem versions specified in Gemfile.lock, isolating from system gems.
Final Answer:
It runs the command using gems specified in the project's Gemfile.lock -> Option B
Quick Check:
Does bundle exec isolate gem versions? Yes. [OK]

Quick Trick: Uses Gemfile.lock gems, not system gems [OK]

Common Mistakes:

Master "Gems and Bundler" in Ruby

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