fix error message

Author: reversearrow

datamodel/spec_info.go

@@ -153,7 +153,8 @@ func ExtractSpecInfoWithDocumentCheck(spec []byte, bypass bool) (*SpecInfo, erro
 
 		// parse JSON
 		if err := parseJSON(spec, specInfo, &parsedSpec); err != nil {
-			return nil, fmt.Errorf("failed to parse json specification: %w", err)
+			specInfo.Error = fmt.Errorf("failed to parse specification: %w", err)
+			return specInfo, specInfo.Error
 		}
 		parsed = true
 
@@ -182,7 +183,8 @@ func ExtractSpecInfoWithDocumentCheck(spec []byte, bypass bool) (*SpecInfo, erro
 
 		// parse JSON
 		if err := parseJSON(spec, specInfo, &parsedSpec); err != nil {
-			return nil, fmt.Errorf("failed to parse json specification: %w", err)
+			specInfo.Error = fmt.Errorf("failed to parse specification: %w", err)
+			return specInfo, specInfo.Error
 		}
 		parsed = true
 
@@ -208,7 +210,8 @@ func ExtractSpecInfoWithDocumentCheck(spec []byte, bypass bool) (*SpecInfo, erro
 
 		// parse JSON
 		if err := parseJSON(spec, specInfo, &parsedSpec); err != nil {
-			return nil, fmt.Errorf("failed to parse json specification: %w", err)
+			specInfo.Error = fmt.Errorf("failed to parse specification: %w", err)
+			return specInfo, nil
 		}
 		parsed = true
 
@@ -225,7 +228,8 @@ func ExtractSpecInfoWithDocumentCheck(spec []byte, bypass bool) (*SpecInfo, erro
 		// parse JSON
 		if !bypass {
 			if err := parseJSON(spec, specInfo, &parsedSpec); err != nil {
-				return nil, fmt.Errorf("failed to parse json specification: %w", err)
+				specInfo.Error = errors.New("spec type not supported by libopenapi, sorry")
+				return specInfo, specInfo.Error
 			}
 			parsed = true
 			specInfo.Error = errors.New("spec type not supported by libopenapi, sorry")
@@ -239,7 +243,8 @@ func ExtractSpecInfoWithDocumentCheck(spec []byte, bypass bool) (*SpecInfo, erro
 
 	if !parsed {
 		if err := parseJSON(spec, specInfo, &parsedSpec); err != nil {
-			return nil, fmt.Errorf("failed to parse json specification: %w", err)
+			specInfo.Error = fmt.Errorf("failed to parse specification: %w", err)
+			return specInfo, specInfo.Error
 		}
 	}