This method is only available on newer versions.
The first available version (v2_6_3) is shown here.
can_lock?(spec)
public
No documentation available.
# File lib/bundler/source/rubygems.rb, line 53
def can_lock?(spec)
return super if Bundler.feature_flag.lockfile_uses_separate_rubygems_sources?
spec.source.is_a?(Rubygems)
end