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https://issues.apache.org/jira/browse/MRESOLVER-128?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17143062#comment-17143062
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Konrad Windszus commented on MRESOLVER-128:
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Indeed it seems pretty limited in
https://github.com/sonatype/nexus-public/blob/4c084cdd680d790b0e6a95a71fc5d5278f86c2d4/plugins/nexus-repository-maven/src/main/java/org/sonatype/nexus/repository/maven/internal/orient/MavenFacetUtils.java#L182.
Also this would be specific to HTTP and it breaks the layered architecture of
Wagon to extract a HTTP header.
> Support smart checksums for Wagon Transporter
> ---------------------------------------------
>
> Key: MRESOLVER-128
> URL: https://issues.apache.org/jira/browse/MRESOLVER-128
> Project: Maven Resolver
> Issue Type: Improvement
> Components: resolver
> Reporter: Konrad Windszus
> Priority: Major
>
> The HTTP transporter can use checksum implicitly transferred via the {{ETag}}
> response header:
> https://github.com/apache/maven-resolver/blob/47edcfe69c4e52ced4cb93d65b7348b5645cdd68/maven-resolver-transport-http/src/main/java/org/eclipse/aether/transport/http/HttpTransporter.java#L526.
> This feature is called smart checksums.
> The same functionality should also be supported in Wagon.
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