[jira] Resolved: (SLING-1101) sling_bootstrap.txt: run-once command file for the BootstrapInstaller

["Bertrand Delacretaz (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SLING-1101?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bertrand Delacretaz resolved SLING-1101.
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       Resolution: Fixed
    Fix Version/s:  Launchpad Base 2.2.0
         Assignee: Bertrand Delacretaz

Implemented in revision 884622

One slight difference with the above "spec", if the version of the bundle used in the uninstall command is a simple version number like 1.0.0 it is transformed to a range like [1.0.0,1.0.0] to mean "1.0.0 and nothing else". The default behavior of the VersionRange in this case would be to say "1.0.0 and everything above that" which is IMO counter-intuitive in this case.

To put it simply, just a version means "exactly this" whereas a range (i.e. a string that contains a comma) is handled by the org.apache.felix.framework.util.VersionRange class.

> sling_bootstrap.txt: run-once command file for the BootstrapInstaller
> ---------------------------------------------------------------------
>
>                 Key: SLING-1101
>                 URL: https://issues.apache.org/jira/browse/SLING-1101
>             Project: Sling
>          Issue Type: Improvement
>          Components: Launchpad
>    Affects Versions: Launchpad Base 2.0.4
>            Reporter: Bertrand Delacretaz
>            Assignee: Bertrand Delacretaz
>             Fix For:  Launchpad Base 2.2.0
>
>
> When upgrading a Sling instance, some bundles that were previously installed by the BootstrapInstaller might need to be removed.
> The BootstrapInstaller can currently update bundles, but not remove them.
> To implement this in an extensible way, we can add a sling_bootstrap.txt command file that is processed by the BootstrapInstaller once at startup, as follows:
> 1. sling_bootstrap.txt is found at the root of the sling home folder
> 2. If it exists, it is executed if its timestamp is greater than the one stored by the BootstrapInstaller
> 3. The file contains commands to uninstall bundles, we can add new commands later if needed
> 4. BootstrapInstaller stores a new timestamp after executing the file
> # sling_bootstrap.txt example
> # comments and blank lines are ignored
> uninistall org.apache.sling.somebundle 1.0.4
> # VersionRanges are supported
> uninistall org.apache.sling.otherbundle [1.1, 1.2)

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