Downgrade bad ProductVersion error to warning.

Fixes wixtoolset/issues#7522.

src/api/wix/WixToolset.Data/ErrorMessages.cs

@@ -1306,11 +1306,6 @@ public static Message InvalidPreprocessorVariable(SourceLineNumber sourceLineNum
             return Message(sourceLineNumbers, Ids.InvalidPreprocessorVariable, "Ill-formed preprocessor variable '$({0})'. Variables must have a prefix (like 'var.', 'env.', or 'sys.') and a name at least 1 character long. If the literal string '$({0})' is desired, use '$$({0})'.", variable);
         }
 
-        public static Message InvalidProductVersion(SourceLineNumber sourceLineNumbers, string version)
-        {
-            return Message(sourceLineNumbers, Ids.InvalidProductVersion, "Invalid product version '{0}'. MSI product versions must have a major version less than 256, a minor version less than 256, and a build version less than 65536. The revision value is ignored but version labels and metadata are not allowed.", version);
-        }
-
         public static Message InvalidRemoveComponent(SourceLineNumber sourceLineNumbers, string component, string feature, string transformPath)
         {
             return Message(sourceLineNumbers, Ids.InvalidRemoveComponent, "Removing component '{0}' from feature '{1}' is not supported. Either the component was removed or the guid changed in the transform '{2}'. Add the component back, undo the change to the component guid, or remove the entire feature.", component, feature, transformPath);
@@ -2520,7 +2515,6 @@ public enum Ids
             InvalidWixTransform = 239,
             UnexpectedFileExtension = 240,
             UnexpectedTableInPatch = 241,
-            InvalidProductVersion = 242,
             InvalidKeypathChange = 243,
             MissingValidatorExtension = 244,
             InvalidValidatorMessageType = 245,

src/api/wix/WixToolset.Data/WarningMessages.cs

@@ -678,6 +678,17 @@ public static Message InvalidMsiProductVersion(SourceLineNumber sourceLineNumber
             return Message(sourceLineNumbers, Ids.InvalidMsiProductVersion, "Invalid product version '{0}' in MSI package '{1}'. Product version should have a major version less than 256, a minor version less than 256, and a build version less than 65536. The bundle may incorrectly detect upgrades of this package.", version, package);
         }
 
+        public static Message InvalidMsiProductVersion(SourceLineNumber sourceLineNumbers, string version)
+        {
+            return Message(sourceLineNumbers, Ids.InvalidMsiProductVersion,
+                "Invalid MSI package version: '{0}'. " +
+                "The Windows Installer SDK says that MSI product versions must have a major version less than 256, a minor version less than 256, and a build version less than 65536. " +
+                "The revision value is ignored but version labels and metadata are not allowed. " +
+                "Violating the MSI rules sometimes works as expected but the behavior is unpredictable and undefined. "+
+                "Future versions of WiX might treat invalid package versions as an error.",
+                version);
+        }
+
         public static Message CollidingModularizationTypes(string tableName, string columnName, string foreignTableName, int foreignColumnNumber, string modularizationType, string foreignModularizationType)
         {
             return Message(null, Ids.CollidingModularizationTypes, "The definition for the '{0}' table's '{1}' column is a foreign key relationship to the '{2}' table's column number {3}. The modularization types of the two column definitions differ: table '{0}' uses type {4} and table '{2}' uses type {5}. Change one of the modularization types so that they match.", tableName, columnName, foreignTableName, foreignColumnNumber, modularizationType, foreignModularizationType);

src/wix/WixToolset.Core.WindowsInstaller/Bind/BindDatabaseCommand.cs

@@ -533,7 +533,7 @@ private void ProcessProductVersion(WixPackageSymbol packageSymbol, IntermediateS
             }
             else if (validate)
             {
-                this.Messaging.Write(ErrorMessages.InvalidProductVersion(packageSymbol.SourceLineNumbers, packageSymbol.Version));
+                this.Messaging.Write(WarningMessages.InvalidMsiProductVersion(packageSymbol.SourceLineNumbers, packageSymbol.Version));
             }
         }
 

src/wix/WixToolset.Core.WindowsInstaller/Bind/CreateWindowsInstallerDataFromIRCommand.cs

@@ -1626,7 +1626,7 @@ private bool CheckUpgradeVersion(UpgradeSymbol symbol, string version, out strin
             }
             else
             {
-                this.Messaging.Write(ErrorMessages.InvalidProductVersion(symbol.SourceLineNumbers, version));
+                this.Messaging.Write(WarningMessages.InvalidMsiProductVersion(symbol.SourceLineNumbers, version));
             }
 
             changedVersion = null;

src/wix/WixToolset.Core/Compiler_Patch.cs

@@ -374,7 +374,7 @@ private void ParsePatchFamilyElement(XElement node, ComplexReferenceParentType p
             }
             else if (!CompilerCore.IsValidProductVersion(version))
             {
-                this.Core.Write(ErrorMessages.InvalidProductVersion(sourceLineNumbers, version));
+                this.Core.Write(WarningMessages.InvalidMsiProductVersion(sourceLineNumbers, version));
             }
 
             // find unexpected child elements

src/wix/test/WixToolsetTest.CoreIntegration/TestData/Version/PackageWithUndefinedBindVariableVersion.wxs

@@ -0,0 +1,31 @@
+<Wix xmlns="http://wixtoolset.org/schemas/v4/wxs">
+  <Package Version="!(wix.Version)"
+           Name="MsiPackage"
+           Manufacturer="Example Corporation"
+           UpgradeCode="047730a5-30fe-4a62-a520-da9381b8226a"
+           Scope="perUser">
+    <MajorUpgrade DowngradeErrorMessage="Downgrade not allowed" />
+    <MediaTemplate EmbedCab="true" />
+
+    <Feature Id="ProductFeature" Title="Feature title">
+      <ComponentGroupRef Id="ProductComponents" />
+    </Feature>
+  </Package>
+
+  <Fragment>
+    <StandardDirectory Id="DesktopFolder">
+      <Directory Id="INSTALLFOLDER" Name="MsiPackage !(wix.Version) and !(bind.property.ProductVersion)" />
+    </StandardDirectory>
+  </Fragment>
+
+    <Fragment>
+        <ComponentGroup Id="ProductComponents" Directory="INSTALLFOLDER">
+            <Component>
+                <File Source="test.txt" />
+            </Component>
+            <Component Id="Shared.dll" Shared="yes">
+                <File Name="Shared.dll" Source="test.txt" />
+            </Component>
+        </ComponentGroup>
+    </Fragment>
+</Wix>

src/wix/test/WixToolsetTest.CoreIntegration/UpgradeFixture.cs

@@ -36,11 +36,8 @@ public void FailsOnInvalidVersion()
                 var errorMessages = result.Messages.Where(m => m.Level == MessageLevel.Error)
                                                    .Select(m => m.ToString())
                                                    .ToArray();
-                WixAssert.CompareLineByLine(new[]
-                {
-                    "Invalid product version '1.256.0'. MSI product versions must have a major version less than 256, a minor version less than 256, and a build version less than 65536. The revision value is ignored but version labels and metadata are not allowed.",
-                }, errorMessages);
-                Assert.Equal(242, result.ExitCode);
+                Assert.StartsWith("Invalid MSI package version: '1.256.0'.", errorMessages.Single());
+                Assert.Equal(1148, result.ExitCode);
             }
         }
 

src/wix/test/WixToolsetTest.CoreIntegration/VersionFixture.cs

@@ -99,11 +99,8 @@ public void CannotBuildMsiWithExtendedVersion()
                 var errorMessages = result.Messages.Where(m => m.Level == MessageLevel.Error)
                                                    .Select(m => m.ToString())
                                                    .ToArray();
-                WixAssert.CompareLineByLine(new[]
-                {
-                    "Invalid product version 'v4.3.2-preview.1'. MSI product versions must have a major version less than 256, a minor version less than 256, and a build version less than 65536. The revision value is ignored but version labels and metadata are not allowed.",
-                }, errorMessages);
-                Assert.Equal(242, result.ExitCode);
+                Assert.StartsWith("Invalid MSI package version: 'v4.3.2-preview.1'.", errorMessages.Single());
+                Assert.Equal(1148, result.ExitCode);
             }
         }
 
@@ -118,7 +115,7 @@ public void CannotBuildMsiWithInvalidMajorVersion()
                 var intermediateFolder = Path.Combine(baseFolder, "obj");
                 var msiPath = Path.Combine(baseFolder, @"bin\test1.msi");
 
-                var result = WixRunner.Execute(new[]
+                var result = WixRunner.Execute(warningsAsErrors: false, new[]
                 {
                     "build",
                     Path.Combine(folder, "Version", "PackageWithReplaceableVersion.wxs"),
@@ -128,14 +125,42 @@ public void CannotBuildMsiWithInvalidMajorVersion()
                     "-o", msiPath
                 });
 
-                var errorMessages = result.Messages.Where(m => m.Level == MessageLevel.Error)
-                                                   .Select(m => m.ToString())
-                                                   .ToArray();
-                WixAssert.CompareLineByLine(new[]
+                result.AssertSuccess();
+
+                var warningMessages = result.Messages.Where(m => m.Level == MessageLevel.Warning).Select(m => m.ToString()).ToArray();
+                Assert.StartsWith("Invalid MSI package version: '257.0.0'.", warningMessages[0]);
+                Assert.StartsWith("Invalid MSI package version: '257.0.0'.", warningMessages[1]);
+                Assert.StartsWith("Invalid MSI package version: '257.0.0'.", warningMessages[2]);
+            }
+        }
+
+        [Fact]
+        public void CannotBuildMsiWithInvalidBindVariableVersion()
+        {
+            var folder = TestData.Get(@"TestData");
+
+            using (var fs = new DisposableFileSystem())
+            {
+                var baseFolder = fs.GetFolder();
+                var intermediateFolder = Path.Combine(baseFolder, "obj");
+                var msiPath = Path.Combine(baseFolder, @"bin\test1.msi");
+
+                var result = WixRunner.Execute(warningsAsErrors: false, new[]
                 {
-                    "Invalid product version '257.0.0'. MSI product versions must have a major version less than 256, a minor version less than 256, and a build version less than 65536. The revision value is ignored but version labels and metadata are not allowed.",
-                }, errorMessages);
-                Assert.Equal(242, result.ExitCode);
+                    "build",
+                    Path.Combine(folder, "Version", "PackageWithUndefinedBindVariableVersion.wxs"),
+                    "-bindpath", Path.Combine(folder, "SingleFile", "data"),
+                    "-intermediateFolder", intermediateFolder,
+                    "-bindvariable", "Version=257.0.0",
+                    "-o", msiPath
+                });
+
+                result.AssertSuccess();
+
+                var warningMessages = result.Messages.Where(m => m.Level == MessageLevel.Warning).Select(m => m.ToString()).ToArray();
+                Assert.StartsWith("Invalid MSI package version: '257.0.0'.", warningMessages[0]);
+                Assert.StartsWith("Invalid MSI package version: '257.0.0'.", warningMessages[1]);
+                Assert.StartsWith("Invalid MSI package version: '257.0.0'.", warningMessages[2]);
             }
         }