Re: jgit standalone client on OpenVMS works (somewhat)

From: Ben Armstrong <barmstrong@dymaxion.ca>
Date: May 1, 2009, 10:08 UTC
Message-ID: <3f1ae6620905010308u44be6aefl5dccf0901424c292@mail.gmail.com>

Shawn O. Pearce wrote:

> > I'm talking to some folks who are trying to put JGit into Maven.
> > They want to move a lot of egit.core down into JGit, which should
> > make it easier to add more commands to the jgit wrapper, making a
> > more functional command line tool.

Certainly without at least commit (and diff would be nice) I can't go any further with jgit on VMS today. We will have to use jsvn for the interim (our repositories are currently in svn anyway, and jsvn is reasonably full-featured and functional on VMS). But it's nice to have a migration path in the offing.

> > Can you write a subclass of our FS class that can identify a
> > VMS host and use that VMS specific subclass?
> >

Should I return to jgit, I could look into this (though I am not a Java programmer).

Show 15 quoted lines

> > If so, we could add a method, e.g.:
> >
> >   boolean canBeLooseRef(String name)
> >
> > and on VMS when the name falls into that "ODS-5_Syntax
> > Interpretation_of_Period" rule set above, we could return false.
> > This would then permit a simple change in RefDatabase where we always
> > store such refs in the packed-refs file, instead of as a loose file.
> >
> > It also means we'd have to forgo the ref log, or mangle the reflog
> > name.
> >
> > But it seems to me we could reasonably work around this without
> > too much trouble.
> >

Glad to hear it.  I have taken note in case I revive this effort later.

Before I sign off entirely, I'd like to mention also that I tried using the ssh protocol without success:

A:BG.WORK> git clone ssh://ben@bgpc.dymaxion.ca/home/ben/git/myrepo.git
Initialized empty Git repository in /DSA0/BG/WORK/myrepo/.git
java.lang.NullPointerException
        at com.jcraft.jsch.Session.disconnect(Session.java)
        at
org.spearce.jgit.transport.SshSessionFactory.releaseSession(SshSessionFactory.java)
        at org.spearce.jgit.transport.SshTransport.close(SshTransport.java)
        at org.spearce.jgit.pgm.Clone.runFetch(Clone.java)
        at org.spearce.jgit.pgm.Clone.run(Clone.java)
        at org.spearce.jgit.pgm.TextBuiltin.execute(TextBuiltin.java)
        at org.spearce.jgit.pgm.Main.execute(Main.java)
        at org.spearce.jgit.pgm.Main.main(Main.java)

$ dir [.myrepo.^.git...]

Directory DSA0:[BG.WORK.myrepo.^.git]

branches.DIR;1 config.;3 HEAD.;1 objects.DIR;1 refs.DIR;1 remotes.DIR;1

Total of 6 files.

Directory DSA0:[BG.WORK.myrepo.^.git.objects]

info.DIR;1          pack.DIR;1

Total of 2 files.

Directory DSA0:[BG.WORK.myrepo.^.git.refs]

heads.DIR;1         tags.DIR;1

Total of 2 files.

Grand total of 3 directories, 10 files.