This method is only available on newer versions.
The first available version (v2_6_3) is shown here.
requirement_tree_for(requirement)
private
@return [Array the list of requirements
that led to
`requirement`beingrequired.
# File lib/bundler/vendor/molinillo/lib/molinillo/resolution.rb, line 633
def requirement_tree_for(requirement)
tree = []
while requirement
tree.unshift(requirement)
requirement = parent_of(requirement)
end
tree
end