Ignore none existing fragment for back compat

docker-compose-generator/src/DockerComposeDefinition.cs

@@ -42,21 +42,29 @@ namespace DockerGenerator
 			var serializer = new SerializerBuilder().Build();
 
 			Console.WriteLine($"With fragments:");
-            foreach(var fragment in Fragments)
+			foreach (var fragment in Fragments)
+			{
+				var fragmentPath = GetFragmentLocation(fragment);
+				if (!File.Exists(fragmentPath))
+				{
+					Console.WriteLine($"\t{fragment} not found in {fragmentPath}, ignoring...");
+				}
+				else
 				{
 					Console.WriteLine($"\t{fragment}");
 				}
+			}
 			var services = new List<KeyValuePair<YamlNode, YamlNode>>();
 			var volumes = new List<KeyValuePair<YamlNode, YamlNode>>();
 
-            foreach(var doc in Fragments.Select(f => ParseDocument(f)))
+			foreach (var doc in Fragments.Select(f => ParseDocument(f)))
 			{
-                if(doc.Children.ContainsKey("services") && doc.Children["services"] is YamlMappingNode fragmentServicesRoot)
+				if (doc.Children.ContainsKey("services") && doc.Children["services"] is YamlMappingNode fragmentServicesRoot)
 				{
 					services.AddRange(fragmentServicesRoot.Children);
 				}
 
-                if(doc.Children.ContainsKey("volumes") && doc.Children["volumes"] is YamlMappingNode fragmentVolumesRoot)
+				if (doc.Children.ContainsKey("volumes") && doc.Children["volumes"] is YamlMappingNode fragmentVolumesRoot)
 				{
 					volumes.AddRange(fragmentVolumesRoot.Children);
 				}
@@ -85,26 +93,26 @@ namespace DockerGenerator
 				.Where(_ => _.MainNode != null)
 				.Select(_ =>
 				{
-                    foreach(var node in _.MergedNodes)
+					foreach (var node in _.MergedNodes)
 					{
-                        foreach(var child in node)
+						foreach (var child in node)
 						{
 							var childValue = child.Value;
-                            if(!_.MainNode.Children.TryGetValue(child.Key, out var mainChildValue))
+							if (!_.MainNode.Children.TryGetValue(child.Key, out var mainChildValue))
 							{
 								mainChildValue = child.Value;
 								_.MainNode.Add(child.Key, child.Value);
 							}
-                            else if(childValue is YamlMappingNode childMapping && mainChildValue is YamlMappingNode mainChildMapping)
+							else if (childValue is YamlMappingNode childMapping && mainChildValue is YamlMappingNode mainChildMapping)
 							{
-                                foreach(var leaf in childMapping)
+								foreach (var leaf in childMapping)
 								{
-                                    if(mainChildMapping.Children.TryGetValue(leaf.Key, out var mainLeaf))
+									if (mainChildMapping.Children.TryGetValue(leaf.Key, out var mainLeaf))
 									{
-                                        if(leaf.Value is YamlScalarNode leafScalar && mainLeaf is YamlScalarNode leafMainScalar)
+										if (leaf.Value is YamlScalarNode leafScalar && mainLeaf is YamlScalarNode leafMainScalar)
 										{
 											var eof = EOF(leafMainScalar.Value) ?? EOF(leaf.Value.ToString());
-                                            if(eof != null)
+											if (eof != null)
 											{
 												leafMainScalar.Value = leafMainScalar.Value + eof + leaf.Value;
 											}
@@ -120,9 +128,9 @@ namespace DockerGenerator
 									}
 								}
 							}
-                            else if(childValue is YamlSequenceNode childSequence && mainChildValue is YamlSequenceNode mainSequence)
+							else if (childValue is YamlSequenceNode childSequence && mainChildValue is YamlSequenceNode mainSequence)
 							{
-                                foreach(var c in childSequence.Children)
+								foreach (var c in childSequence.Children)
 								{
 									mainSequence.Add(c);
 								}
@@ -135,19 +143,24 @@ namespace DockerGenerator
 
 		private string EOF(string value)
 		{
-            if(value.Contains("\r\n", StringComparison.OrdinalIgnoreCase))
+			if (value.Contains("\r\n", StringComparison.OrdinalIgnoreCase))
 				return "\r\n";
-            if(value.Contains("\n", StringComparison.OrdinalIgnoreCase))
+			if (value.Contains("\n", StringComparison.OrdinalIgnoreCase))
 				return "\n";
 			return null;
 		}
 
 		private YamlMappingNode ParseDocument(string fragment)
 		{
-            var input = new StringReader(File.ReadAllText(Path.Combine(FragmentLocation, $"{fragment}.yml")));
+			var input = new StringReader(File.ReadAllText(GetFragmentLocation(fragment)));
 			YamlStream stream = new YamlStream();
 			stream.Load(input);
 			return (YamlMappingNode)stream.Documents[0].RootNode;
 		}
+
+		private string GetFragmentLocation(string fragment)
+		{
+			return Path.Combine(FragmentLocation, $"{fragment}.yml");
+		}
 	}
 }