Initial transfer of provider code

1 files changed, 86 insertions, 0 deletions

diff --git a/vendor/github.com/hashicorp/terraform/config/append.go b/vendor/github.com/hashicorp/terraform/config/append.go
new file mode 100644
index 0000000..5f4e89e
--- /dev/null
+++ b/vendor/github.com/hashicorp/terraform/config/append.go
@@ -0,0 +1,86 @@
+package config
+
+// Append appends one configuration to another.
+//
+// Append assumes that both configurations will not have
+// conflicting variables, resources, etc. If they do, the
+// problems will be caught in the validation phase.
+//
+// It is possible that c1, c2 on their own are not valid. For
+// example, a resource in c2 may reference a variable in c1. But
+// together, they would be valid.
+func Append(c1, c2 *Config) (*Config, error) {
+        c := new(Config)
+
+        // Append unknown keys, but keep them unique since it is a set
+        unknowns := make(map[string]struct{})
+        for _, k := range c1.unknownKeys {
+                _, present := unknowns[k]
+                if !present {
+                        unknowns[k] = struct{}{}
+                        c.unknownKeys = append(c.unknownKeys, k)
+                }
+        }
+
+        for _, k := range c2.unknownKeys {
+                _, present := unknowns[k]
+                if !present {
+                        unknowns[k] = struct{}{}
+                        c.unknownKeys = append(c.unknownKeys, k)
+                }
+        }
+
+        c.Atlas = c1.Atlas
+        if c2.Atlas != nil {
+                c.Atlas = c2.Atlas
+        }
+
+        // merge Terraform blocks
+        if c1.Terraform != nil {
+                c.Terraform = c1.Terraform
+                if c2.Terraform != nil {
+                        c.Terraform.Merge(c2.Terraform)
+                }
+        } else {
+                c.Terraform = c2.Terraform
+        }
+
+        if len(c1.Modules) > 0 || len(c2.Modules) > 0 {
+                c.Modules = make(
+                        []*Module, 0, len(c1.Modules)+len(c2.Modules))
+                c.Modules = append(c.Modules, c1.Modules...)
+                c.Modules = append(c.Modules, c2.Modules...)
+        }
+
+        if len(c1.Outputs) > 0 || len(c2.Outputs) > 0 {
+                c.Outputs = make(
+                        []*Output, 0, len(c1.Outputs)+len(c2.Outputs))
+                c.Outputs = append(c.Outputs, c1.Outputs...)
+                c.Outputs = append(c.Outputs, c2.Outputs...)
+        }
+
+        if len(c1.ProviderConfigs) > 0 || len(c2.ProviderConfigs) > 0 {
+                c.ProviderConfigs = make(
+                        []*ProviderConfig,
+                        0, len(c1.ProviderConfigs)+len(c2.ProviderConfigs))
+                c.ProviderConfigs = append(c.ProviderConfigs, c1.ProviderConfigs...)
+                c.ProviderConfigs = append(c.ProviderConfigs, c2.ProviderConfigs...)
+        }
+
+        if len(c1.Resources) > 0 || len(c2.Resources) > 0 {
+                c.Resources = make(
+                        []*Resource,
+                        0, len(c1.Resources)+len(c2.Resources))
+                c.Resources = append(c.Resources, c1.Resources...)
+                c.Resources = append(c.Resources, c2.Resources...)
+        }
+
+        if len(c1.Variables) > 0 || len(c2.Variables) > 0 {
+                c.Variables = make(
+                        []*Variable, 0, len(c1.Variables)+len(c2.Variables))
+                c.Variables = append(c.Variables, c1.Variables...)
+                c.Variables = append(c.Variables, c2.Variables...)
+        }
+
+        return c, nil
+}