[Bro-Dev] [JIRA] (BIT-1047) Delete old scripts before installing new ones

[liamrandall (JIRA)]

    [ https://bro-tracker.atlassian.net/browse/BIT-1047?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13407#comment-13407 ] 

liamrandall commented on BIT-1047:
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Does it make sense to support a versioning w/i the code tree- perhaps a root directory w/ a distribution release?  It would be nice to have multiple versions installed side by side so you could roll back if for some reason you have trouble.  

Somewhere in a script definition, perhaps in a __load__ could there be a supported version feature?  Specify minimum or precise version of support for a script.


                
> Delete old scripts before installing new ones
> ---------------------------------------------
>
>                 Key: BIT-1047
>                 URL: https://bro-tracker.atlassian.net/browse/BIT-1047
>             Project: Bro Issue Tracker
>          Issue Type: Improvement
>          Components: Bro
>            Reporter: Robin Sommer
>             Fix For: 2.2
>
>
> People keep having problems when they install a new Bro version 
> over the installation of an old one because scripts that have disappeared in the new version will keep sticking around from the previous installation. 
> We should simply remove the old scripts/base and scripts/policy before installing anything new. People aren't supposed to edit in there so that should be safe.

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