Fixes #364.

build.gradle

@@ -28,7 +28,7 @@ targetCompatibility = 17
 
 description = 'Structurizr DSL'
 group = 'com.structurizr'
-version = '1.33.0'
+version = '1.33.1'
 
 test {
     useJUnitPlatform()

docs/changelog.md

@@ -1,5 +1,9 @@
 # Changelog
 
+## 1.33.1 (unreleased)
+
+- Fixes https://github.com/structurizr/dsl/issues/364 (.DS_Store file causes exception during !include <directory> on Windows)
+
 ## 1.33.0 (27th October 2023)
 
 - DSL identifiers (if present) will now be loaded when extending a JSON workspace (see https://github.com/structurizr/dsl/discussions/328).

src/main/java/com/structurizr/dsl/IncludeParser.java

@@ -40,14 +40,14 @@ void parse(IncludedDslContext context, Tokens tokens) {
 
                     readFiles(context, path);
                 } catch (IOException e) {
-                    throw new RuntimeException(e.getMessage());
+                    throw new RuntimeException("Error including " + path.getAbsolutePath() + ": " + e.getMessage());
                 }
             }
         }
     }
 
     private void readFiles(IncludedDslContext context, File path) throws IOException {
-        if (path.isHidden()) {
+        if (path.isHidden() || path.getName().startsWith(".")) {
             // ignore
             return;
         }
@@ -62,7 +62,11 @@ private void readFiles(IncludedDslContext context, File path) throws IOException
                 }
             }
         } else {
-            context.addFile(path, Files.readAllLines(path.toPath(), StandardCharsets.UTF_8));
+            try {
+                context.addFile(path, Files.readAllLines(path.toPath(), StandardCharsets.UTF_8));
+            } catch (IOException e) {
+                throw new RuntimeException("Error reading file at " + path.getAbsolutePath() + ": " + e.getMessage());
+            }
         }
     }