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https://issues.apache.org/jira/browse/FELIX-6493?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hannes Wellmann updated FELIX-6493:
-----------------------------------
Summary: Extend is-up-to-date logic of Manifest goal (was: Extend
is-up-to-date logic in ManifestPlugin)
> Extend is-up-to-date logic of Manifest goal
> -------------------------------------------
>
> Key: FELIX-6493
> URL: https://issues.apache.org/jira/browse/FELIX-6493
> Project: Felix
> Issue Type: Bug
> Components: Maven Bundle Plugin
> Affects Versions: maven-bundle-plugin-5.1.3
> Reporter: Hannes Wellmann
> Priority: Major
>
> The ManifestPlugin has a logic to determine if the manifest is already
> up-to-date in incremental builds (mainly introduced with FELIX-4009 and
> FELIX-6074).
> This is-up-to-date logic should be extended to consider the following cases:
> * The {{MANIFEST.MF}} file to generate does not exist
> * the {{pom.xml}} has changed since the last complete-execution.
> Besides the instructions, other elements of the pom.xml can influence the
> generated manifest like dependencies or properties that are used in the
> instructions.
> Furthermore the incremental-infos file should be written after the generated
> {{MANIFEST.MF}} was written, because {{isUpToDate(MavenProject)}} checks the
> target/classes folder where the generated {{MANIFEST.MF}} is written to (by
> default). If the incremental-infos are written first, it is likely that the
> generated {{MANIFEST.MF}} is not written in the same millisecond, so in the
> next call of {{isUpToDate(MavenProject)}} the generated {{MANIFEST.MF}} will
> be detected as modified causing a false-negative is-up-to-date check.
>
> These problem where observed in the context of work on Eclipse-M2E to improve
> the integration of Maven-Projects that use the maven-bundle-plugin into the
> Eclipse-PDE workspace build. If you are interested, these are associated
> Issues/PRs:
> * [https://github.com/eclipse-m2e/m2e-core/issues/439]
> * https://github.com/eclipse-m2e/m2e-core/pull/440
>
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