[jira] Assigned: (FELIX-1383) sigil.properties -defaults should support variable expansion to allow it to be overriden

["Derek Baum (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FELIX-1383?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Derek Baum reassigned FELIX-1383:
---------------------------------

    Assignee: Derek Baum

> sigil.properties -defaults should support variable expansion to allow it to be overriden
> ----------------------------------------------------------------------------------------
>
>                 Key: FELIX-1383
>                 URL: https://issues.apache.org/jira/browse/FELIX-1383
>             Project: Felix
>          Issue Type: Improvement
>          Components: Sigil
>            Reporter: Derek Baum
>            Assignee: Derek Baum
>            Priority: Minor
>
> sigil.properties files support a directive:
> -defaults: [-]path-to-defaults
> which allows for default values (such as default package import versions) to be inherited.
> If -defaults is not specified, '-../sigil-defaults.properties' is used to implicitly use defaults from parent.
> The leading - means ignore error if the file is not found.
> It would be useful if the defaults value was variable expanded against System properties and the environment:
> -defaults: ${DEFAULTS_DIR:-../common}/sigil-defaults.properties
> sigil already contains the necessary property variable expansion code.
> however, property variable expansion is NOT globally applied to all values in sigil.properties, as the eclipse plugin is not aware of variable expansion, so when it updates sigil.properties all variables would have their expanded value.
> This is not a problem with -defaults, as the eclipse plugin is not aware of this value.

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