Upgrade to 0.12

1 files changed, 64 insertions, 0 deletions

diff --git a/vendor/github.com/hashicorp/terraform/configs/version_constraint.go b/vendor/github.com/hashicorp/terraform/configs/version_constraint.go
new file mode 100644
index 0000000..7aa19ef
--- /dev/null
+++ b/vendor/github.com/hashicorp/terraform/configs/version_constraint.go
@@ -0,0 +1,64 @@
+package configs
+
+import (
+        "fmt"
+
+        version "github.com/hashicorp/go-version"
+        "github.com/hashicorp/hcl2/hcl"
+        "github.com/zclconf/go-cty/cty"
+        "github.com/zclconf/go-cty/cty/convert"
+)
+
+// VersionConstraint represents a version constraint on some resource
+// (e.g. Terraform Core, a provider, a module, ...) that carries with it
+// a source range so that a helpful diagnostic can be printed in the event
+// that a particular constraint does not match.
+type VersionConstraint struct {
+        Required  version.Constraints
+        DeclRange hcl.Range
+}
+
+func decodeVersionConstraint(attr *hcl.Attribute) (VersionConstraint, hcl.Diagnostics) {
+        ret := VersionConstraint{
+                DeclRange: attr.Range,
+        }
+
+        val, diags := attr.Expr.Value(nil)
+        if diags.HasErrors() {
+                return ret, diags
+        }
+        var err error
+        val, err = convert.Convert(val, cty.String)
+        if err != nil {
+                diags = append(diags, &hcl.Diagnostic{
+                        Severity: hcl.DiagError,
+                        Summary:  "Invalid version constraint",
+                        Detail:   fmt.Sprintf("A string value is required for %s.", attr.Name),
+                        Subject:  attr.Expr.Range().Ptr(),
+                })
+                return ret, diags
+        }
+
+        if val.IsNull() {
+                // A null version constraint is strange, but we'll just treat it
+                // like an empty constraint set.
+                return ret, diags
+        }
+
+        constraintStr := val.AsString()
+        constraints, err := version.NewConstraint(constraintStr)
+        if err != nil {
+                // NewConstraint doesn't return user-friendly errors, so we'll just
+                // ignore the provided error and produce our own generic one.
+                diags = append(diags, &hcl.Diagnostic{
+                        Severity: hcl.DiagError,
+                        Summary:  "Invalid version constraint",
+                        Detail:   "This string does not use correct version constraint syntax.", // Not very actionable :(
+                        Subject:  attr.Expr.Range().Ptr(),
+                })
+                return ret, diags
+        }
+
+        ret.Required = constraints
+        return ret, diags
+}