added plugin config postinstall

diff --git a/windows/graphviz.wxs.in b/windows/graphviz.wxs.in
index cf4617bbdb91abbeb5018308bb64bcd617adeb59..6626a806aabed9da7a10838b2dd6550a4e0e2ec0 100755 (executable)
--- a/windows/graphviz.wxs.in
+++ b/windows/graphviz.wxs.in
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Wix xmlns="http://schemas.microsoft.com/wix/2006/wi">
        <Product
                Id="*"
@@ -46,7 +46,12 @@
                        <Directory Id="ProgramFilesFolder">
                                <Directory Id="ApplicationFolder" Name="Graphviz">
                                        <!-- referenced by the directories in the heated wxs -->
-                                       <Directory Id="bin" Name="bin" />
+                                       <Directory Id="bin" Name="bin">
+                                               <!-- need to remove the config file when uninstalling -->
+                                               <Component Id="config" Guid="DAD3E382-59B2-429A-9292-0C28A12783C3">
+                                                       <RemoveFile Id="config" Name="config" On="uninstall" />
+                                               </Component>
+                                       </Directory>
                                        <Directory Id="include" Name="include" />
                                        <Directory Id="lib" Name="lib" />
                                        <Directory Id="share" Name="share" />
@@ -60,12 +65,16 @@
                        <ComponentGroupRef Id="include" />
                        <ComponentGroupRef Id="lib" />
                        <ComponentGroupRef Id="share" />
+                       <ComponentRef Id="config" />
                </Feature>
 
                <CustomAction Id="PreventDowngrading" Error="Same or newer version already installed." />
+               <CustomAction Id="ConfigurePlugins" FileKey="dot.exe" ExeCommand="-c" Execute="deferred"/>
 
                <InstallExecuteSequence>
                        <Custom Action="PreventDowngrading" After="FindRelatedProducts">NEWPRODUCTFOUND</Custom>
+                       <!-- scan for plugins and save into config file when installing, reinstalling or repairing, uninstall will remove this file -->
+                       <Custom Action="ConfigurePlugins" After="InstallFiles">NOT(REMOVE="ALL")</Custom>
                        <RemoveExistingProducts After="InstallFinalize" />
                </InstallExecuteSequence>