Hey there.
I have some service declarations in my wix project like this:
Component Id=service_component_id Guid=*
File Id=service.exe KeyPath=yes Source=$(var.Binaries)\service.exe
ServiceInstall Id=service_id Name=service_name DisplayName=!(loc.
service_displayname) Start=auto Description=!(loc.service_description)
ErrorControl=normal Type=ownProcess Vital=yes
xmlns=http://schemas.microsoft.com/wix/2006/wi/
/Component
After installation i changed service Start type setting from Automatic to
Manual that would only be used in failover.
Next I have a patch that updates these services, but after its application
the Start type back to Automatic. That becomes a big problem when you have
a lot of such services and it is vital to keep Start type. So what I want
to do here is to do not update settings (but still update files) for existing
services and reinstall missing.
What I have discovered so far is that there are DeleteServices and
InstallServices actions in InstallExecuteSequence, so that is probably the
reason of such behavior. I can't set conditions for them, because I want
missing services to be reinstalled. I also can't mark Component as
NeverOverwrite, because it has File subnode which I want to update.
Next thing I have noticed is that msi has ServiceInstall table where service
settings are stored. So as a very brutal workaround I can write CA to check
if services are exists, read their settings and modify msi ServiceInstall
table at runtime.
Looking for some more humane solution for this problem.
Best regards,
Vadym.
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