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https://issues.apache.org/jira/browse/SCM-739?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16265483#comment-16265483
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ASF GitHub Bot commented on SCM-739:
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Github user arteam commented on the issue:
https://github.com/apache/maven-scm/pull/56
I like the proposal, but I am a a little bit confused. Does the new
parameter should be added to the `executeCheckOutCommand` method (like
`recursive`) and be implemented by the all `AbstractCheckOutCommand`
implementations or should it be a field in `GitCheckOutCommand`?
> Release Plugin: Use "git --depth 1" When Checking Out
> -----------------------------------------------------
>
> Key: SCM-739
> URL: https://issues.apache.org/jira/browse/SCM-739
> Project: Maven SCM
> Issue Type: Improvement
> Components: maven-scm-provider-gitexe
> Affects Versions: 1.8.1
> Reporter: Ernst de Haan
>
> *Executive summary: Please use {{--depth 1}} when checking out from a git
> repository.*
> Currently when doing {{mvn release:prepare release:perform}}, the git
> checkout step takes a significant amount of time.
> During the git checkout it appears to not only check out the correct version
> of the code, but also _all_ history, as would be done with a regular:
> {code:none}git clone URL{code}
> However, git supports checking out only the latest version of the code base,
> using this command: {code:none}git clone --depth 1 URL{code}
> For the purpose of the Maven Release Plugin, that should be sufficient, as
> far as I can see.
> Changing the plugin to use {{--depth 1}} will:
> - _significantly_ improve performance on larger repositories and/or with a
> lot of history
> - and reduce I/O on repositories with a lot of history.
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