@param [Pathname] gemfile_path The Gemfile in
which to inject the new dependency. @param [Pathname] lockfile_path The lockfile in which to
inject the new dependency. @return [Array]
# File lib/bundler/injector.rb, line 25
def inject(gemfile_path, lockfile_path)
if Bundler.frozen_bundle?
# ensure the lock and Gemfile are synced
Bundler.definition.ensure_equivalent_gemfile_and_lockfile(true)
end
# temporarily unfreeze
Bundler.settings.temporary(:deployment => false, :frozen => false) do
# evaluate the Gemfile we have now
builder = Dsl.new
builder.eval_gemfile(gemfile_path)
# don't inject any gems that are already in the Gemfile
@deps -= builder.dependencies
# add new deps to the end of the in-memory Gemfile
# Set conservative versioning to false because
# we want to let the resolver resolve the version first
builder.eval_gemfile(INJECTED_GEMS, build_gem_lines(false)) if @deps.any?
# resolve to see if the new deps broke anything
@definition = builder.to_definition(lockfile_path, {})
@definition.resolve_remotely!
# since nothing broke, we can add those gems to the gemfile
append_to(gemfile_path, build_gem_lines(@options[:conservative_versioning])) if @deps.any?
# since we resolved successfully, write out the lockfile
@definition.lock(Bundler.default_lockfile)
# invalidate the cached Bundler.definition
Bundler.reset_paths!
# return an array of the deps that we added
@deps
end
end
