Re: [jgit-dev] Discovering remote branches of previously cloned reposito

[Ben Hardy <benhardy+jgit@xxxxxxxxx>]

Never mind, figured it out. I was neglecting to include ".git" on the
end of my reopened repository path. Sorry!

On Sun, May 26, 2013 at 8:10 AM, Ben Hardy <benhardy+jgit@xxxxxxxxx> wrote:
> Hi folks,
>
> Question for you. I'm using the Porcelain API.
>
> I've found that It's easy enough to discover the remote branches of a
> freshly cloned repo at the time I clone it.
>
> scala> val git = new
> CloneCommand().setURI("http://github.com/benhardy/nitpick.git";).
>     setBare(false).
> setCloneAllBranches(true).
>     setCloneSubmodules(true).setDirectory(new File("/tmp/3435")).
>     setNoCheckout(false).setBranch("master").call
>
> scala> git.branchList.setListMode(ALL).call
> res20: java.util.List[org.eclipse.jgit.lib.Ref] = [
>     Ref[refs/remotes/origin/issue-1-setup=ff61a99138c096e245dde8f3eb29a1dabb5b83e3],
>     Ref[refs/remotes/origin/master=2f80949eccbe646c1997bf11d26bab653c3e7dd9],
>     Ref[refs/remotes/origin/milestone-1=8f28d0f7396d7170c284fdf573b697d1aa2f3f9e]
> ]
>
> Fair enough, that's all well and good.
>
> The problem is when I reopen that same cloned repo later on, I can't
> seem to retrieve any branch information.
>
> scala> val repo2 = new FileRepository("/tmp/3435")
> scala> val git2 = new Git(repo2)
> scala> git2.branchList.setListMode(ALL).call
> res24: java.util.List[org.eclipse.jgit.lib.Ref] = []
>
> ^^ as you can see, the branch list comes out empty here.
>
> This is a rather unintuitive result, and I've not been able to figure
> out where I'm going wrong here.
>
> Am I doing something wrong with the construction of the
> FileRepository? Should I be using FileRespositoryBuilder or something
> like that? I tried that and got the same result:
>
> scala> val fr = (new FileRepositoryBuilder).setGitDir(new
> File("/tmp/3436")).setup().build()
> scala> val git3 = new Git(fr)
> scala> git3.branchList.setListMode(ALL).call
> res25: java.util.List[org.eclipse.jgit.lib.Ref] = []
>
> However, the remote branch information is clearly present in the
> remote repository, because if I use the command line git, it sees
> them:
>
> $ cd /tmp/3436
> $ git branch -r
>   origin/issue-1-setup
>   origin/master
>   origin/milestone-1
>
> So, what do I need to do differently to get the same info out of JGit?
>
> Same thing also happens if I clone the repo with the command line then
> open with JGit, so I suspect it's the way the FileRepository is being
> opened to be the problem, rather than than the CloneCommand.
>
> And advice would be appreciated, as I suspect it's something obvious
> that I must as a jgit newbie be overlooking.
>
> Thanks
> Ben