// nounAddVariableDeps updates the dependencies of a noun given
// a set of associated variable values
func nounAddVariableDeps(
g *depgraph.Graph,
n *depgraph.Noun,
vars map[string]config.InterpolatedVariable,
removeSelf bool) {
for _, v := range vars {
// Only resource variables impose dependencies
rv, ok := v.(*config.ResourceVariable)
if !ok {
continue
}
// Find the target
target := g.Noun(rv.ResourceId())
if target == nil {
continue
}
// If we're ignoring self-references, then don't add that
// dependency.
if removeSelf && n == target {
continue
}
// Build the dependency
dep := &depgraph.Dependency{
Name: rv.ResourceId(),
Source: n,
Target: target,
}
n.Deps = append(n.Deps, dep)
}
}
