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qemu-ga: Prevent QEMU-GA VSS provider from being unregistered on MSI reinstall 

Previously, running the .msi would unregister the QEMU GA VSS service if QEMU GA was already installed on the machine, and then register it only if QEMU GA was NOT previously installed. This behavior caused the service to be registered only after the INITIAL installation, and any subsequent run of the .msi (to redo, repair, or upgrade the installation) ended in the service being unregistered.

Now, the VSS service is still unregistered if QEMU GA is already installed (so that a fix or an update could be performed) but then it is registered again (if the GA is not being uninstalled) thus finishing the repair/upgrade correctly. Additionally, downgrading is now prevented. If a user would like to downgrade a version, he/she must uninstall the newer version first.

Signed-off-by: Leonid Bloch <leonid@daynix.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
This commit is contained in:
Leonid Bloch 2015-08-03 20:54:24 +03:00 committed by Michael Roth
parent 5e994f9412
commit 848849dddf
1 changed files with 5 additions and 9 deletions
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14
qga/installer/qemu-ga.wxs
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@ -58,13 +58,9 @@
/>
<Media Id="1" Cabinet="qemu_ga.$(env.QEMU_GA_VERSION).cab" EmbedCab="yes" />
<Property Id="WHSLogo">1</Property>
<Property Id="PREVIOUSVERSIONSINSTALLED" />
<Upgrade Id="{EB6B8302-C06E-4bec-ADAC-932C68A3A98D}">
<UpgradeVersion
Minimum="1.0.0.0" Maximum="$(env.QEMU_GA_VERSION)"
Property="PREVIOUSVERSIONSINSTALLED"
IncludeMinimum="yes" IncludeMaximum="no" />
</Upgrade>
<MajorUpgrade
DowngradeErrorMessage="Error: A newer version of QEMU guest agent is already installed."
/>
<Directory Id="TARGETDIR" Name="SourceDir">
<Directory Id="$(var.GaProgramFilesFolder)" Name="QEMU Guest Agent">
@ -125,6 +121,7 @@
</Directory>
<Property Id="cmd" Value="cmd.exe"/>
<Property Id="REINSTALLMODE" Value="amus"/>
<?ifdef var.InstallVss?>
<CustomAction Id="RegisterCom"
@ -161,10 +158,9 @@
</Feature>
<InstallExecuteSequence>
<RemoveExistingProducts Before="InstallInitialize" />
<?ifdef var.InstallVss?>
<Custom Action="RegisterCom" After="InstallServices">NOT Installed</Custom>
<Custom Action="UnRegisterCom" After="StopServices">Installed</Custom>
<Custom Action="RegisterCom" After="InstallServices">NOT REMOVE</Custom>
<?endif?>
</InstallExecuteSequence>
</Product>