[OpenAFS-win32-devel] Use of the Windows Registry

[Jeffrey Altman]

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Rob Murawski wrote:

>Either way, I need to write something.  We either have to:
>1) Provide a method to uninstall while keeping configuration information.
>

Under what circumstances do you need to be able to uninstall
while keeping the configuration information?

>2) Migrate existing changes elsewhere in the registry.
>
>However, I agree with you that we shouldn't move everything just yet 
>because of dependencies.  I don't foresee any new keys in the near future 
>on the server side, either. (And I like that it mirrors the configuration 
>of the server on Unix)
>
When you use the term "Server" are you referring to the
"AFS Client Service" or the "AFS Server"?

>Looking at what the installer writes, we should probably have the 
>installer mirror:
>1) Install path
>2) Debug flag
>3) Version information
>
>in the SOFTWARE key.  
>
Have you looked at the keys the NSIS installer produces? 
All of the above information is located under the 
HKLM\SOFTWARE\TransarcCorporation root.

>This *COULD* fit into OpenAFS.ORG as 
>"ServerInstallPath" and "ServerDebugFlag".  The version information can 
>also be tagged with "Server"  Eventually, the server can be updated to 
>look at the new locations. (I'd recommend after several production 
>versions to give people time to update scripts)
>
My question is why bother migrating the existing keys?  I do not see how
it buys us anything other than breaking compatibility with existing 
infrastructure.
When creating the NSIS installer we specifically chose to keep the 
TransarcCorporation
tag for the installation information and existing keys to allow for easy 
replacement
of the AFS 3.x clients with the OpenAFS clients.

This information is removed on uninstall because the installer is 
written to
remove this information.  If you wish to have an option in the installer 
which
preserves the registry information that can easily be added.  The 
scripts are
located at src/WINNT/install/NSIS.  Feel free to submit patches. 

>I don't see anything else that would need to be kept in case of an 
>uninstall and everything else can be reconstructed when re-installed.
>
>This just gives us a good place to grab it if the service is uninstalled.  
>Likewise, the uninstaller can update this information if the user wants to 
>keep uninstall information.
>
>Seem like a decent compromise?
>


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