chore: vars update

Author: denis256

internal/hclparse/autoinclude.go

@@ -150,8 +150,8 @@ func resolveDependencyBlock(block *hclsyntax.Block, evalCtx *hcl.EvalContext) (A
 // context by the caller.
 func BuildAutoIncludeEvalContext(unitRefs, stackRefs []ComponentRef) *hcl.EvalContext {
 	vars := map[string]cty.Value{
-		"unit":  BuildComponentRefMap(unitRefs),
-		"stack": BuildComponentRefMap(stackRefs),
+		varUnit:  BuildComponentRefMap(unitRefs),
+		varStack: BuildComponentRefMap(stackRefs),
 	}
 
 	return &hcl.EvalContext{

internal/hclparse/parse.go

@@ -14,6 +14,13 @@ import (
 const (
 	// StackDir is the directory name where generated stack components are placed.
 	StackDir = ".terragrunt-stack"
+
+	// HCL variable root names used in eval context.
+	varLocal      = "local"
+	varValues     = "values"
+	varUnit       = "unit"
+	varStack      = "stack"
+	varDependency = "dependency"
 )
 
 // ParseResult holds the output of a two-pass parse of a terragrunt.stack.hcl file.
@@ -70,7 +77,7 @@ func ParseStackFile(src []byte, filename string, stackDir string, values *cty.Va
 
 	// Add values to context if provided.
 	if values != nil {
-		evalCtx.Variables["values"] = *values
+		evalCtx.Variables[varValues] = *values
 	}
 
 	// Evaluate locals block iteratively.
@@ -153,7 +160,7 @@ func evaluateLocals(body hcl.Body, evalCtx *hcl.EvalContext) {
 			break
 		}
 
-		evalCtx.Variables["local"] = cty.ObjectVal(evaluated)
+		evalCtx.Variables[varLocal] = cty.ObjectVal(evaluated)
 	}
 }
 

internal/hclparse/partial_eval.go

@@ -13,7 +13,7 @@ import (
 
 // deferredRoots lists variable root names that cannot be evaluated at generation time.
 var deferredRoots = map[string]bool{
-	"dependency": true,
+	varDependency: true,
 }
 
 // PartialEval walks an hclsyntax.Expression tree and returns HCL source text.