Explicitly create nested subdirectories on export

CHANGELOG.md

@@ -16,6 +16,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Fixed `<VALUE OUT OF RANGE>` error in GetTempFileAndRoutineTS when an OS-level error code was stored as a routine timestamp (#832)
 - Fixed issue where Generated Files Read-only option didn't entirely work for files not in source control (#712)
 - Fixed issue where a deleted file not within Embedded Git's management was causing the pull handler to crash and not fully update the Iris instance (#928)
+- Fixed exporting items in nested subdirectories in IRIS versions >= 2025.3 (#786)
 
 ## [2.15.0] - 2026-01-06
 

cls/SourceControl/Git/Production.cls

@@ -108,7 +108,7 @@ ClassMethod ExportProjectForPTD(productionClass As %String, ptdName As %String,
         $$$ThrowOnError(project.%Save())
         set projContentsList(exportNotesPTDName_".PTD") = ""
         set projContentsList(project.Name_".PRJ") = ""
-        $$$ThrowOnError($System.OBJ.Export(.projContentsList, exportPath, "/diffexport=1"))
+        $$$ThrowOnError($System.OBJ.Export(.projContentsList, exportPath, "/diffexport=1/createdirs=1"))
         // remove the LastModified timestamp from the exported file
         set fileStream = ##class(%Stream.FileCharacter).%OpenId(exportPath,,.st)
         $$$ThrowOnError(st)

cls/SourceControl/Git/Utils.cls

@@ -1790,7 +1790,7 @@ ClassMethod ExportItem(InternalName As %String, expand As %Boolean = 1, force As
                     do ..RemoveFromServerSideSourceControl(InternalName)
 	            }
 	            else {
-	                $$$QuitOnError($SYSTEM.OBJ.ExportUDL(InternalName, filename,"-d/diff"))
+	                $$$QuitOnError($SYSTEM.OBJ.ExportUDL(InternalName, filename,"-d/diff/createdirs=1"))
                 }
             }
             if (filename '= "") && ##class(%File).Exists(filename) {

test/UnitTest/SourceControl/Git/Utils/ExportItem.cls

@@ -0,0 +1,33 @@
+Class UnitTest.SourceControl.Git.Utils.ExportItem Extends UnitTest.SourceControl.Git.AbstractTest
+{
+
+/// Tests that ExportItem creates intermediate directories when they don't exist
+Method TestExportCreatesIntermediateDirectories()
+{
+    set internalName = "TestGitExport.Deep.Nested.Pkg.MyClass.CLS"
+
+    // Create the class in the database so ExportItem has something to export
+    set classDef = ##class(%Dictionary.ClassDefinition).%New()
+    set classDef.Name = "TestGitExport.Deep.Nested.Pkg.MyClass"
+    $$$ThrowOnError(classDef.%Save())
+
+    // Determine the expected export path and ensure its directory does NOT exist yet
+    set filename = ##class(SourceControl.Git.Utils).FullExternalName(internalName)
+    set dirPath = ##class(%File).GetDirectory(filename)
+    if ##class(%File).DirectoryExists(dirPath) {
+        do ##class(%File).RemoveDirectoryTree(dirPath)
+    }
+    do $$$AssertNotTrue(##class(%File).DirectoryExists(dirPath), "Directory should not exist before export")
+
+    // Export the item - this should succeed even without pre-existing directories
+    do $$$AssertStatusOK(##class(SourceControl.Git.Utils).ExportItem(internalName, 0, 1))
+    do $$$AssertTrue(##class(%File).Exists(filename))
+
+    // Clean up
+    do $system.OBJ.Delete(internalName, "-d")
+    if ##class(%File).Exists(filename) {
+        do ##class(%File).Delete(filename)
+    }
+}
+
+}