--- a/contrib/wix/mercurial.wxs	Fri Apr 16 01:58:14 2010 +0200
+++ b/contrib/wix/mercurial.wxs	Fri Apr 16 14:57:30 2010 +0200
@@ -6,24 +6,31 @@
   This software may be used and distributed according to the terms of the
   GNU General Public License version 2 or any later version. -->
 
-  <?define ComponentMainExecutableGUID = D102B8FA-059B-4ACC-9FA3-8C78C3B58EEF ?>
-  <?define ProductUpgradeCode = A1CC6134-E945-4399-BE36-EB0017FDF7CF ?>
+  <?include guids.wxi ?>
 
-  <Product Name='Mercurial $(var.Version)' Id='*'
+  <Product Id='*'
+    Name='Mercurial $(var.Version)' 
     UpgradeCode='$(var.ProductUpgradeCode)'
-    Language='1033' Codepage='1252' Version='$(var.Version)' Manufacturer='Matt Mackall and others.'>
+    Language='1033' Codepage='1252' Version='$(var.Version)'
+    Manufacturer='Matt Mackall and others'>
 
-    <Package Id='*' Keywords='Installer' Description="Mercurial distributed SCM (version $(var.Version))"
-      Comments='$(var.Comments)' Manufacturer='Matt Mackall and others.'
+    <Package Id='*'
+      Keywords='Installer'
+      Description="Mercurial distributed SCM (version $(var.Version))"
+      Comments='$(var.Comments)'
+      Manufacturer='Matt Mackall and others'
       InstallerVersion='300' Languages='1033' Compressed='yes' SummaryCodepage='1252' />
 
-    <Media Id='1' Cabinet='mercurial.cab' EmbedCab='yes' DiskPrompt='CD-ROM #1' CompressionLevel='high' />
+    <Media Id='1' Cabinet='mercurial.cab' EmbedCab='yes' DiskPrompt='CD-ROM #1'
+           CompressionLevel='high' />
     <Property Id='DiskPrompt' Value="Mercurial $(var.Version) Installation [1]" />
 
-    <Condition Message='Mercurial requires Windows XP or higher'>VersionNT >= 501</Condition>
+    <Condition Message='Mercurial requires Windows XP or higher'
+      >VersionNT >= 501</Condition>
 
     <Property Id="INSTALLDIR">
-      <ComponentSearch Id='SearchForMainExecutableComponent' Guid='$(var.ComponentMainExecutableGUID)' />
+      <ComponentSearch Id='SearchForMainExecutableComponent'
+                       Guid='$(var.ComponentMainExecutableGUID)' />
     </Property>
 
     <!--Property Id='ARPCOMMENTS'>any comments</Property-->
@@ -44,26 +51,28 @@
       <Directory Id='ProgramFilesFolder' Name='PFiles'>
         <Directory Id='INSTALLDIR' Name='Mercurial'>
           <Component Id='MainExecutable' Guid='$(var.ComponentMainExecutableGUID)'>
-            <File Id='hgEXE' Name='hg.exe' DiskId='1' Source='dist\hg.exe' KeyPath='yes' />
-            <File Id='libraryZIP' Name='library.zip' DiskId='1' Source='dist\library.zip' />
-            <File Id='pythonDLL' Name='python26.dll' DiskId='1' Source='dist\python26.dll' />
+            <File Id='hgEXE' Name='hg.exe' Source='dist\hg.exe' KeyPath='yes' />
+            <File Id='libraryZIP' Name='library.zip' Source='dist\library.zip' />
+            <File Id='pythonDLL' Name='python26.dll' Source='dist\python26.dll' />
             <Environment Id="Environment" Name="PATH" Part="last" System="yes"
                          Permanent="no" Value="[INSTALLDIR]" Action="set" />
           </Component>
-          <Component Id='ReadMe' Guid='56A8E372-991D-4DCA-B91D-93D775974CF5'>
-              <File Id='ReadMe' Name='ReadMe.html' DiskId='1' Source='contrib\win32\ReadMe.html' KeyPath='yes'/>
+          <Component Id='ReadMe' Guid='$(var.ReadMe.guid)'>
+              <File Id='ReadMe' Name='ReadMe.html' Source='contrib\win32\ReadMe.html'
+                    KeyPath='yes'/>
           </Component>
-          <Component Id='COPYING' Guid='B7801DBA-1C49-4BF4-91AD-33C65F5C7895'>
-            <File Id='COPYING' Name='COPYING.rtf' DiskId='1' Source='contrib\wix\COPYING.rtf' />
+          <Component Id='COPYING' Guid='$(var.COPYING.guid)'>
+            <File Id='COPYING' Name='COPYING.rtf' Source='contrib\wix\COPYING.rtf'
+                  KeyPath='yes'/>
           </Component>
           <Directory Id='HGRCD' Name='hgrc.d'>
-            <Component Id='mercurial.rc' Guid='1D5FAEEE-7E6E-43B1-9F7F-802714316B15'>
-              <File Id='mercurial.rc' Name='Mercurial.rc' DiskId='1' Source='contrib\win32\mercurial.ini'
-                    ReadOnly='yes'/>
+            <Component Id='mercurial.rc' Guid='$(var.mercurial.rc.guid)'>
+              <File Id='mercurial.rc' Name='Mercurial.rc' Source='contrib\win32\mercurial.ini'
+                    ReadOnly='yes' KeyPath='yes'/>
             </Component>
-            <Component Id='mergetools.rc' Guid='E8A1DC29-FF40-4B5F-BD12-80B9F7BF0CCD'>
-              <File Id='mergetools.rc' Name='MergeTools.rc' DiskId='1' Source='contrib\mergetools.hgrc'
-                    ReadOnly='yes'/>
+            <Component Id='mergetools.rc' Guid='$(var.mergetools.rc.guid)'>
+              <File Id='mergetools.rc' Name='MergeTools.rc' Source='contrib\mergetools.hgrc'
+                    ReadOnly='yes' KeyPath='yes'/>
             </Component>
           </Directory>
         </Directory>
@@ -71,17 +80,16 @@
 
       <Directory Id="ProgramMenuFolder" Name="Programs">
         <Directory Id="ProgramMenuDir" Name="Mercurial $(var.Version)">
-          <Component Id="ProgramMenuDir" Guid="D5A63320-1238-489B-B68B-CF053E9577CA">
+          <Component Id="ProgramMenuDir" Guid="$(var.ProgramMenuDir.guid)">
             <RemoveFolder Id='ProgramMenuDir' On='uninstall' />
             <RegistryValue Root='HKCU' Key='Software\Mercurial\InstallDir' Type='string'
                            Value='[INSTALLDIR]' KeyPath='yes' />
-            <Shortcut Id='UrlShortcut' Directory='ProgramMenuDir' Name='Mercurial Web Site' Target='[ARPHELPLINK]'
-                      Icon="hgIcon.ico" IconIndex='0' />
+            <Shortcut Id='UrlShortcut' Directory='ProgramMenuDir' Name='Mercurial Web Site'
+                      Target='[ARPHELPLINK]' Icon="hgIcon.ico" IconIndex='0' />
           </Component>
         </Directory>
       </Directory>
 
-      <Directory Id="DesktopFolder" Name="Desktop" />
       <Merge Id='VCRuntime' DiskId='1' Language='1033'
              SourceFile='$(var.VCRedistSrcDir)\microsoft.vcxx.crt.x86_msm.msm' />
       <Merge Id='VCRuntimePolicy' DiskId='1' Language='1033'