[Buildbot] #3292: GitPoller can't get changed files on merge commit

[Buildbot trac]

#3292: GitPoller can't get changed files on merge commit
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Reporter:  boolking   |       Owner:
    Type:  undecided  |      Status:  new
Priority:  major      |   Milestone:  undecided
 Version:  0.8.12     |  Resolution:
Keywords:             |
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Description changed by sa2ajj:

Old description:

> _get_commit_files in gitpoller.py use git-log command to get changed file
> of a commit:
>
> def _get_commit_files(self, rev):
>     args = ['--name-only', '--no-walk', r'--format=%n', rev, '--']
>
> But when a commit is a merge commit, this command won't get any file.
> Following patch will fix it:
>
> def _get_commit_files(self, rev):
>     args = ['--name-only', '--no-walk', r'--format=%n', '-first-parent',
> '-m', rev, '--']

New description:

 _get_commit_files in gitpoller.py use git-log command to get changed file
 of a commit:
 {{{
 def _get_commit_files(self, rev):
     args = ['--name-only', '--no-walk', r'--format=%n', rev, '--']
 }}}
 But when a commit is a merge commit, this command won't get any file.
 Following patch will fix it:
 {{{
 def _get_commit_files(self, rev):
     args = ['--name-only', '--no-walk', r'--format=%n', '-first-parent',
 '-m', rev, '--']
 }}}

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Ticket URL: <http://trac.buildbot.net/ticket/3292#comment:1>
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