[release/5.0] Allow Hosting Bundle to be upgraded by MU#37968
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wtgodbe merged 8 commits intorelease/5.0from Nov 5, 2021
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[release/5.0] Allow Hosting Bundle to be upgraded by MU#37968wtgodbe merged 8 commits intorelease/5.0from
wtgodbe merged 8 commits intorelease/5.0from
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Backport of #37967 to release/5.0
/cc @wtgodbe
Customer Impact
Adds an .msi,
dotnet-hosting-options, which writes to the registry the value of the switches used when last installing the hosting bundle for a given Major.Minor version. Subsequent installs of that band of the hosting bundle will choose what the install in the following way:0for any switches not passed).0and write0to the registry for each switchTesting
Tested various scenarios with versions of the new hosting bundle across multiple Major.Minor.Patch versions, as well as how it interacts with previous Hosting Bundles without the Registry-writing behavior.
Risk
In December all customers who get this update thru MU will get a 1-time hit where, regardless of what they already had installed, the hosting bundle will install all components. We suspect most customers install everything anyways, and those who don't will be able to work around this by manually re-running the installer with whatever switches they passed the last time they installed the bundle manually. Additionally, there could be a scenario that we didn't think of (and therefore wasn't covered by our manual testing) that will break.