Add DefaultCompressionLevel support.

4 files changed, 22 insertions, 4 deletions

diff --git a/src/WixToolset.Core.Burn/Bundles/CreateContainerCommand.cs b/src/WixToolset.Core.Burn/Bundles/CreateContainerCommand.cs
index a23a116b..8f361626 100644
--- a/src/WixToolset.Core.Burn/Bundles/CreateContainerCommand.cs
+++ b/src/WixToolset.Core.Burn/Bundles/CreateContainerCommand.cs
@@ -64,7 +64,7 @@ namespace WixToolset.Core.Burn.Bundles
             files.AddRange(this.Payloads.Select(p => new CabinetCompressFile(p.SourceFile.Path, p.EmbeddedId)));
 
             var cab = new Cabinet(cabinetPath);
-            cab.Compress(files, this.CompressionLevel ?? Data.CompressionLevel.Mszip);
+            cab.Compress(files, this.CompressionLevel ?? Data.CompressionLevel.Medium);
 
             // Now that the container is created, set the outputs of the command.
             var fileInfo = new FileInfo(cabinetPath);
diff --git a/src/WixToolset.Core/CommandLine/BuildCommand.cs b/src/WixToolset.Core/CommandLine/BuildCommand.cs
index 065467bd..2216a80f 100644
--- a/src/WixToolset.Core/CommandLine/BuildCommand.cs
+++ b/src/WixToolset.Core/CommandLine/BuildCommand.cs
@@ -50,6 +50,8 @@ namespace WixToolset.Core.CommandLine
 
         private string OutputFile { get; set; }
 
+        private CompressionLevel? DefaultCompressionLevel { get; set; }
+
         private string ContentsFile { get; set; }
 
         private string OutputsFile { get; set; }
@@ -82,6 +84,8 @@ namespace WixToolset.Core.CommandLine
 
             this.BuiltOutputsFile = this.commandLine.BuiltOutputsFile;
 
+            this.DefaultCompressionLevel = this.commandLine.DefaultCompressionLevel;
+
             var preprocessorVariables = this.commandLine.GatherPreprocessorVariables();
 
             var sourceFiles = this.commandLine.GatherSourceFiles(this.IntermediateFolder);
@@ -335,7 +339,7 @@ namespace WixToolset.Core.CommandLine
                     //context.CabbingThreadCount = this.CabbingThreadCount;
                     context.CabCachePath = cabCachePath;
                     context.Codepage = resolveResult.Codepage;
-                    //context.DefaultCompressionLevel = this.DefaultCompressionLevel;
+                    context.DefaultCompressionLevel = this.DefaultCompressionLevel;
                     context.DelayedFields = resolveResult.DelayedFields;
                     context.ExpectedEmbeddedFiles = resolveResult.ExpectedEmbeddedFiles;
                     context.Extensions = this.ExtensionManager.GetServices<IBinderExtension>();
@@ -529,6 +533,8 @@ namespace WixToolset.Core.CommandLine
 
             public string OutputType { get; private set; }
 
+            public CompressionLevel? DefaultCompressionLevel { get; private set; }
+
             public string ContentsFile { get; private set; }
 
             public string OutputsFile { get; private set; }
@@ -611,6 +617,18 @@ namespace WixToolset.Core.CommandLine
                             parser.GetNextArgumentOrError(arg, this.Defines);
                             return true;
 
+                        case "dcl":
+                        case "defaultcompressionlevel":
+                        {
+                            var value = parser.GetNextArgumentOrError(arg);
+                            if (Enum.TryParse(value, true, out CompressionLevel compressionLevel))
+                            {
+                                this.DefaultCompressionLevel = compressionLevel;
+                                return true;
+                            }
+                            return false;
+                        }
+
                         case "i":
                         case "includepath":
                             parser.GetNextArgumentOrError(arg, this.IncludeSearchPaths);
diff --git a/src/WixToolset.Core/Compiler.cs b/src/WixToolset.Core/Compiler.cs
index 14b28034..003617cc 100644
--- a/src/WixToolset.Core/Compiler.cs
+++ b/src/WixToolset.Core/Compiler.cs
@@ -7319,7 +7319,7 @@ namespace WixToolset.Core
             string volumeLabel = null;
             int? maximumUncompressedMediaSize = null;
             int? maximumCabinetSizeForLargeFileSplitting = null;
-            CompressionLevel? compressionLevel = null; // this defaults to mszip in Binder
+            CompressionLevel? compressionLevel = null; // this defaults to 'medium' in the MSI and Burn backends
 
             var embedCab = patch ? YesNoType.Yes : YesNoType.NotSet;
 
diff --git a/src/WixToolset.Core/Compiler_2.cs b/src/WixToolset.Core/Compiler_2.cs
index af56f0ef..f5f450cb 100644
--- a/src/WixToolset.Core/Compiler_2.cs
+++ b/src/WixToolset.Core/Compiler_2.cs
@@ -4958,7 +4958,7 @@ namespace WixToolset.Core
             case "":
                 break;
             default:
-                this.Core.Write(ErrorMessages.IllegalAttributeValue(sourceLineNumbers, node.Name.LocalName, attribute.Name.LocalName, compressionLevel, "high", "low", "medium", "mszip", "none"));
+                this.Core.Write(ErrorMessages.IllegalCompressionLevel(sourceLineNumbers, compressionLevel));
                 break;
             }