Fix duplicate keys from inline subdirectories.

Fixes https://github.com/wixtoolset/issues/issues/7459.

3 files changed, 36 insertions, 11 deletions

diff --git a/src/wix/WixToolset.Core.WindowsInstaller/Bind/CreateWindowsInstallerDataFromIRCommand.cs b/src/wix/WixToolset.Core.WindowsInstaller/Bind/CreateWindowsInstallerDataFromIRCommand.cs
index 42493484..f160bff6 100644
--- a/src/wix/WixToolset.Core.WindowsInstaller/Bind/CreateWindowsInstallerDataFromIRCommand.cs
+++ b/src/wix/WixToolset.Core.WindowsInstaller/Bind/CreateWindowsInstallerDataFromIRCommand.cs
@@ -1319,6 +1319,7 @@ namespace WixToolset.Core.WindowsInstaller.Bind
         {
             var directory = symbol.Name.Trim(PathSeparatorChars);
             var parentDir = symbol.ParentDirectoryRef ?? (symbol.Id.Id == "TARGETDIR" ? null : "TARGETDIR");
+            var directoryRows = this.Data.TryGetTable("Directory", out var table) ? table.Rows.ToDictionary(row => row.FieldAsString(0)) : new Dictionary<string, Row>();
 
             var start = 0;
             var end = directory.IndexOfAny(PathSeparatorChars);
@@ -1335,10 +1336,15 @@ namespace WixToolset.Core.WindowsInstaller.Bind
                     var id = this.BackendHelper.GenerateIdentifier("d", symbol.ParentDirectoryRef, path);
                     var shortnameSubdirectory = this.BackendHelper.IsValidShortFilename(subdirectoryName, false) ? null : this.CreateShortName(subdirectoryName, false, "Directory", symbol.ParentDirectoryRef);
 
-                    var subdirectoryRow = this.CreateRow(symbol, "Directory");
-                    subdirectoryRow[0] = id;
-                    subdirectoryRow[1] = parentDir;
-                    subdirectoryRow[2] = CreateMsiFilename(shortnameSubdirectory, subdirectoryName);
+                    if (!directoryRows.ContainsKey(id))
+                    {
+                        var subdirectoryRow = this.CreateRow(symbol, "Directory");
+                        subdirectoryRow[0] = id;
+                        subdirectoryRow[1] = parentDir;
+                        subdirectoryRow[2] = CreateMsiFilename(shortnameSubdirectory, subdirectoryName);
+
+                        directoryRows.Add(id, subdirectoryRow);
+                    }
 
                     parentDir = id;
                 }
diff --git a/src/wix/test/WixToolsetTest.CoreIntegration/DirectoryFixture.cs b/src/wix/test/WixToolsetTest.CoreIntegration/DirectoryFixture.cs
index 8e401c40..cacf72bd 100644
--- a/src/wix/test/WixToolsetTest.CoreIntegration/DirectoryFixture.cs
+++ b/src/wix/test/WixToolsetTest.CoreIntegration/DirectoryFixture.cs
@@ -170,7 +170,8 @@ namespace WixToolsetTest.CoreIntegration
                 var dirSymbols = section.Symbols.OfType<WixToolset.Data.Symbols.DirectorySymbol>().ToList();
                 WixAssert.CompareLineByLine(new[]
                 {
-                    "dZsSsu81KcG46xXTwc4mTSZO5Zx4:INSTALLFOLDER:dupe",
+                    @"d6axmdFGwwNJUBTBpSSKcI7uWXo8:INSTALLFOLDER:path\to\path1",
+                    @"dQ9mCRk.rZXStHc.ILz66dIhE0FI:INSTALLFOLDER:path\to\path2",
                     "INSTALLFOLDER:ProgramFiles6432Folder:MsiPackage",
                     "ProgramFiles6432Folder:ProgramFiles64Folder:.",
                     "ProgramFiles64Folder:TARGETDIR:PFiles64",
diff --git a/src/wix/test/WixToolsetTest.CoreIntegration/TestData/DuplicateDir/DuplicateDir.wxs b/src/wix/test/WixToolsetTest.CoreIntegration/TestData/DuplicateDir/DuplicateDir.wxs
index a58b68c8..6d7b6681 100644
--- a/src/wix/test/WixToolsetTest.CoreIntegration/TestData/DuplicateDir/DuplicateDir.wxs
+++ b/src/wix/test/WixToolsetTest.CoreIntegration/TestData/DuplicateDir/DuplicateDir.wxs
@@ -2,23 +2,41 @@
 <Wix xmlns="http://wixtoolset.org/schemas/v4/wxs">
     <Fragment>
         <ComponentGroup Id="ProductComponents">
-            <ComponentGroupRef Id="GroupA" />
-            <ComponentGroupRef Id="GroupB" />
+            <ComponentGroupRef Id="GroupA1" />
+            <ComponentGroupRef Id="GroupA2" />
+            <ComponentGroupRef Id="GroupB1" />
+            <ComponentGroupRef Id="GroupB2" />
         </ComponentGroup>
     </Fragment>
 
     <Fragment>
-        <ComponentGroup Id="GroupA" Directory="INSTALLFOLDER" Subdirectory="dupe">
+        <ComponentGroup Id="GroupA1" Directory="INSTALLFOLDER" Subdirectory="path\to\path1">
             <Component>
-                <File Name="a.txt" Source="test.txt" />
+                <File Name="a1.txt" Source="test.txt" />
             </Component>
         </ComponentGroup>
     </Fragment>
 
     <Fragment>
-        <ComponentGroup Id="GroupB" Directory="INSTALLFOLDER" Subdirectory="dupe">
+        <ComponentGroup Id="GroupB1" Directory="INSTALLFOLDER" Subdirectory="path\to\path1">
             <Component>
-                <File Name="b.txt" Source="test.txt" />
+                <File Name="b1.txt" Source="test.txt" />
+            </Component>
+        </ComponentGroup>
+    </Fragment>
+
+    <Fragment>
+        <ComponentGroup Id="GroupA2" Directory="INSTALLFOLDER" Subdirectory="path\to\path2">
+            <Component>
+                <File Name="a2.txt" Source="test.txt" />
+            </Component>
+        </ComponentGroup>
+    </Fragment>
+
+    <Fragment>
+        <ComponentGroup Id="GroupB2" Directory="INSTALLFOLDER" Subdirectory="path\to\path2">
+            <Component>
+                <File Name="b2.txt" Source="test.txt" />
             </Component>
         </ComponentGroup>
     </Fragment>