Use copystructure for deep copying data structures.

go.mod

@@ -157,9 +157,11 @@ require (
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/mfridman/interpolate v0.0.2 // indirect
+	github.com/mitchellh/copystructure v1.2.0 // indirect
 	github.com/mitchellh/go-wordwrap v1.0.1 // indirect
 	github.com/mitchellh/hashstructure/v2 v2.0.2 // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
+	github.com/mitchellh/reflectwalk v1.0.2 // indirect
 	github.com/moby/docker-image-spec v1.3.1 // indirect
 	github.com/moby/term v0.5.0 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect

go.sum

@@ -356,12 +356,16 @@ github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWE
 github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
 github.com/mfridman/interpolate v0.0.2 h1:pnuTK7MQIxxFz1Gr+rjSIx9u7qVjf5VOoM/u6BbAxPY=
 github.com/mfridman/interpolate v0.0.2/go.mod h1:p+7uk6oE07mpE/Ik1b8EckO0O4ZXiGAfshKBWLUM9Xg=
+github.com/mitchellh/copystructure v1.2.0 h1:vpKXTN4ewci03Vljg/q9QvCGUDttBOGBIa15WveJJGw=
+github.com/mitchellh/copystructure v1.2.0/go.mod h1:qLl+cE2AmVv+CoeAwDPye/v+N2HKCj9FbZEVFJRxO9s=
 github.com/mitchellh/go-wordwrap v1.0.1 h1:TLuKupo69TCn6TQSyGxwI1EblZZEsQ0vMlAFQflz0v0=
 github.com/mitchellh/go-wordwrap v1.0.1/go.mod h1:R62XHJLzvMFRBbcrT7m7WgmE1eOyTSsCt+hzestvNj0=
 github.com/mitchellh/hashstructure/v2 v2.0.2 h1:vGKWl0YJqUNxE8d+h8f6NJLcCJrgbhC4NcD46KavDd4=
 github.com/mitchellh/hashstructure/v2 v2.0.2/go.mod h1:MG3aRVU/N29oo/V/IhBX8GR/zz4kQkprJgF2EVszyDE=
 github.com/mitchellh/mapstructure v1.5.0 h1:jeMsZIYE/09sWLaz43PL7Gy6RuMjD2eJVyuac5Z2hdY=
 github.com/mitchellh/mapstructure v1.5.0/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
+github.com/mitchellh/reflectwalk v1.0.2 h1:G2LzWKi524PWgd3mLHV8Y5k7s6XUvT0Gef6zxSIeXaQ=
+github.com/mitchellh/reflectwalk v1.0.2/go.mod h1:mSTlrgnPZtwu0c4WaC2kGObEpuNDbx0jmZXqmk4esnw=
 github.com/moby/docker-image-spec v1.3.1 h1:jMKff3w6PgbfSa69GfNg+zN/XLhfXJGnEx3Nl2EsFP0=
 github.com/moby/docker-image-spec v1.3.1/go.mod h1:eKmb5VW8vQEh/BAr2yvVNvuiJuY6UIocYsFu/DxxRpo=
 github.com/moby/term v0.5.0 h1:xt8Q1nalod/v7BqbG21f8mQPqH+xAaC9C3N3wfWbVP0=

usecases/ast_eval/evaluate_ast.go

@@ -8,7 +8,7 @@ import (
 
 	"github.com/checkmarble/marble-backend/models/ast"
 	"github.com/checkmarble/marble-backend/pure_utils"
-	"github.com/mohae/deepcopy"
+	"github.com/mitchellh/copystructure"
 	"golang.org/x/sync/singleflight"
 )
 
@@ -48,15 +48,17 @@ func EvaluateAst(ctx context.Context, cache *EvaluationCache,
 
 	if cache != nil {
 		if cached, ok := cache.Cache.Load(hash); ok {
-			response := deepcopy.Copy(cached).(nodeEvaluationResponse)
-			response.Eval.Index = node.Index
+			if response, err := copystructure.Copy(cached); err == nil {
+				response := response.(nodeEvaluationResponse)
+				response.Eval.Index = node.Index
 
-			response.Eval.EvaluationPlan = ast.NodeEvaluationPlan{
-				Took:   0,
-				Cached: true,
-			}
+				response.Eval.EvaluationPlan = ast.NodeEvaluationPlan{
+					Took:   0,
+					Cached: true,
+				}
 
-			return response.Eval, response.Ok
+				return response.Eval, response.Ok
+			}
 		}
 	}
 
@@ -140,7 +142,7 @@ func EvaluateAst(ctx context.Context, cache *EvaluationCache,
 		evaluationResponse := nodeEvaluationResponse{evaluation, ok}
 
 		if cache != nil {
-			cache.Cache.Store(hash, deepcopy.Copy(evaluationResponse))
+			cache.Cache.Store(hash, evaluationResponse)
 		}
 
 		return evaluationResponse, nil
@@ -154,7 +156,14 @@ func EvaluateAst(ctx context.Context, cache *EvaluationCache,
 	}
 
 	if !evaluated {
-		evaluation.Eval = deepcopy.Copy(evaluation.Eval).(ast.NodeEvaluation)
+		result, err := copystructure.Copy(evaluation.Eval)
+		if err != nil {
+			evaluation.Eval.Errors = append(evaluation.Eval.Errors, err)
+
+			return evaluation.Eval, false
+		}
+
+		evaluation.Eval = result.(ast.NodeEvaluation)
 		evaluation.Eval.SetCached()
 	}