[JIRA] Commented: (SSPCPP-462) Try and support upgrades from 2.4.3

[Scott Cantor (JIRA)]

    [ https://issues.shibboleth.net/jira/browse/SSPCPP-462?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14143#comment-14143 ] 

Scott Cantor commented on SSPCPP-462:
-------------------------------------

Current installer blocks upgrades from all older versions. Ideally I'd like upgrades from 2.4.3 to work. Older versions hang on removal, so can't handle this.

The istall location, if it's not accessible some other way, should be in the SHIBSP_PREFIX variable, which needs to be set by the new installer already anyway (I'll check on that).

The other point is that the old SHIBSP_SCHEMAS variable MUST be removed on an upgrade, if the upgrade process doesn't allow that to happen automatically. This is because we moved the schema files from the install tree to the fixed APPDATA location, and the old variable would point to the old schema files that presumably are removed on an upgrade.

Of course, we'd also have deal with the service command line. If it's a 64-bit install, the old version of the service is running out of sbin and has to change to sbin64. Probably we'd just run the SetService64 script on an upgrade.

> Try and support upgrades from 2.4.3
> -----------------------------------
>
>                 Key: SSPCPP-462
>                 URL: https://issues.shibboleth.net/jira/browse/SSPCPP-462
>             Project: Shibboleth SP - C++
>          Issue Type: Sub-task
>            Reporter: Scott Cantor
>            Assignee: Rod Widdowson
>


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