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https://issues.apache.org/jira/browse/SCM-583?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17962099#comment-17962099
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ASF GitHub Bot commented on SCM-583:
------------------------------------
jira-importer commented on issue #782:
URL: https://github.com/apache/maven-scm/issues/782#issuecomment-2964623881
**[Laurent
Perez](https://issues.apache.org/jira/secure/ViewProfile.jspa?name=laurent7979)**
commented
Reopening it for "cosmetic" fix : when you had no hg outgoing changes, the
output would print an error because an exit code value of 1 for 'hg outgoing'
was considered as a failure. (1)
The build would not fail at all, but printing an error is a false positive,
exit code of 1 is expected when there are no outgoing changes.
Will provide a 2nd patch.
(1)
```
[INFO] EXECUTING: /bin/sh -c cd /Users/laurent/Desktop/work/rrepo/hgartifact
&& hg outgoing
*** line = comparaison avec http://macbook-pro-de-laurent.local:8000
*** line = searching for changes
*** line = aucun changement trouvé
*** exitCode = 1
[ERROR]
EXECUTION FAILED
Execution of cmd : outgoing failed with exit code: 1.
Working directory was:
/Users/laurent/Desktop/work/rrepo/hgartifact
Your Hg installation seems to be valid and complete.
Hg version: 1.6.4+20101001 (OK)
[INFO] BUILD SUCCESSFUL
```
> mvn release:prepare fails when there is a different branch in hg outgoing
> changes
> ---------------------------------------------------------------------------------
>
> Key: SCM-583
> URL: https://issues.apache.org/jira/browse/SCM-583
> Project: Maven SCM (Moved to GitHub Issues)
> Issue Type: Bug
> Components: maven-scm-provider-mercurial (hg)
> Affects Versions: 1.4
> Environment: all
> Reporter: Laurent Perez
> Assignee: Olivier Lamy
> Priority: Major
> Fix For: 1.5
>
> Attachments: SCM-583-maven-scm-provider-hg-reopen.patch,
> SCM-583-maven-scm-provider-hg.patch
>
>
> Hello
> Using release:prepare, the hg provider assumes it is free to use the basic
> 'push' command as in 'hg push repoUrl'.
> However, if you have created and commited a local feature branch, the release
> will fail, because the default behaviour of Mercurial is to abort the push if
> it would create new remote branches, as illustrated :
> {code}
> MacBook-Pro-de-laurent:hgsample laurent$ hg out
> comparaison avec http://macbook-pro-de-laurent.local:8000
> searching for changes
> changeset: 57:33b0705da6e8
> branch: local-dev ### the local feature branch you are working on
> user: laurent
> date: Fri Nov 12 21:10:37 2010 +0100
> summary: add local-dev
> changeset: 91:ca4aabf8d3b3
> tag: tip ### the working branch you want to release
> user: laurent
> date: Sat Nov 13 00:49:49 2010 +0100
> summary: ajout hgrelease
> MacBook-Pro-de-laurent:hgsample laurent$ hg push
> pushing to http://macbook-pro-de-laurent.local:8000
> searching for changes
> abort: push creates new remote branches: local-dev!
> (use 'hg push --new-branch' to create new remote branches)
> {code}
> Since the hg provider does not check for possible local branches, all pushes
> (checkin and tag) will fail with exit code 1 when the hg push command is
> triggered :
> {code}
> MacBook-Pro-de-laurent:hgsample laurent$ mvn release:prepare
> ...
> [INFO] EXECUTING: /bin/sh -c cd /Users/laurent/Desktop/work/rrepo/hgsample &&
> hg push http://127.0.0.1:8000
> [ERROR]
> EXECUTION FAILED
> Execution of cmd : push failed with exit code: 1.
> Working directory was:
> /Users/laurent/Desktop/work/rrepo/hgsample
> Your Hg installation seems to be valid and complete.
> Hg version: 1.6.4+20101001 (OK)
> [INFO]
> ------------------------------------------------------------------------
> [ERROR] BUILD FAILURE
> [INFO]
> ------------------------------------------------------------------------
> {code}
> The expected Mercurial fix for this case is to use push --force or
> --new-branch to push the feature branch (which is not always the preferred
> solution) to the repository, or to use push -rbranchname to only push working
> branch changesets.
> The attached patch uses the second solution. It introduces a
> HgOutgoingConsumer and a HgChangeSet to parse the output of 'hg out', looks
> for a possible local feature branch, warns (like Mercurial) if one is found,
> but does not abort the release, instead, it will find the current working
> branch name, and use the push to use the -rbranchname option.
> I believe this is a legitimate fix, since Mercurial, like all DCVS, promotes
> local feature branches usage, and it was a bit sad to see the mvn release
> fail on the releasable branch because of this :)
>
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