enh: IPM pull event handler that uninstalls first

Author: isc-pbarton

CHANGELOG.md

@@ -5,6 +5,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [2.11.0] - Unreleased
+
+### Added
+- Pull event handler that does an IPM uninstall and load to handle deletes (#631)
+
 ## [2.10.0] - 2025-02-10
 
 ### Added

cls/SourceControl/Git/PullEventHandler/PackageManagerReload.cls

@@ -0,0 +1,22 @@
+Class SourceControl.Git.PullEventHandler.PackageManagerReload Extends SourceControl.Git.PullEventHandler
+{
+
+Parameter NAME = "Package Manager Reload";
+
+Parameter DESCRIPTION = "Does zpm ""uninstall"", then zpm ""load <repo root>""";
+
+/// Subclasses may override to customize behavior on pull.
+Method OnPull() As %Status
+{
+    set moduleFilePath = ##class(%File).NormalizeFilename("module.xml",..LocalRoot)
+    set sc = $System.OBJ.Load(moduleFilePath,"-d",,.internalName,1) // list-only load to get module name
+    $$$QuitOnError(sc)
+    set context = ##class(SourceControl.Git.PackageManagerContext).ForInternalName(internalName)
+    if $isobject(context.Package) {
+        set sc = ##class(%ZPM.PackageManager).Shell("uninstall "_context.Package.Name)
+        $$$QuitOnError(sc)
+    }
+    quit ##class(%ZPM.PackageManager).Shell("load "_..LocalRoot)
+}
+
+}