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From: Bret Barkelew <bret@corthon.com>
To: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Cc: Bryan Turner <bturner@atlassian.com>, git@vger.kernel.org
Subject: Re: git version 2.20.1.windows.1 throws file name too long in gitk
Date: Thu, 10 Jan 2019 10:55:35 -0800
Message-ID: <CAGTkKagTCw-EcMo3M1P3XVtjbTcm4HPjCWGZ1sM_NnJwH7v_hg@mail.gmail.com> (raw)
In-Reply-To: <nycvar.QRO.7.76.6.1901101616100.41@tvgsbejvaqbjf.bet>

On Thu, Jan 10, 2019 at 7:20 AM Johannes Schindelin
<Johannes.Schindelin@gmx.de> wrote:
>
> Hi Bret,
>
> in that case, please try to find a way to trace the commands in a Tcl/Tk
> program (which gitk is) and see which command triggers the error.

Er... that's a little out of my depth. I'll see if I can find time to learn.
Meanwhile, is there any way to request better instrumentation for the
error dialog so this data could have been collected for me?

>
> Ciao,
> Johannes
>
>
> On Wed, 9 Jan 2019, Bret Barkelew wrote:
>
> > Will try to reply in-line, when appropriate.
> > The latest snapshot (git version 2.20.1.windows.1.5.g6b286585b1) still
> > has the issue.
> >
> > - Bret
> >
> >
> > On Wed, Jan 9, 2019 at 10:39 AM Johannes Schindelin
> > <Johannes.Schindelin@gmx.de> wrote:
> > >
> > > Hi Bret,
> > >
> > >
> > > On Thu, 3 Jan 2019, Bret Barkelew wrote:
> > >
> > > > They are the exact same path (with a different drive letter).
> > >
> > > [it's a bit hard to follow the thread if you top-post a reply to an
> > > inline-replied answer, maybe imitate the style of other mails in the
> > > future.]
> > >
> > > > Another thing I've been able to confirm is I uninstalled git 2.20.1
> > > > and installed 2.19.0 on the failing system, and the older version of
> > > > Git works.
> > > > I've also tried a suggested fix I saw elsewhere to enable long path
> > > > names in the Windows registry, which did not resolve the issue with
> > > > git 2.20.1.
> > > >
> > > > Happy to collect any additional data.
> > >
> > > Please try the latest snapshot at
> > > https://wingit.blob.core.windows.net/files/index.html (I *think* the bug
> > > might be fixed via
> > > https://github.com/git-for-windows/MINGW-packages/pull/32).
> > >
> > > Ciao,
> > > Johannes
> > >
> > > > - Bret
> > > >
> > > > On Thu, Jan 3, 2019 at 7:10 PM Bryan Turner <bturner@atlassian.com> wrote:
> > > > >
> > > > > On Thu, Jan 3, 2019 at 6:21 PM Bret Barkelew <bret@corthon.com> wrote:
> > > > >>
> > > > >> When I open gitk in a particular repository under this version of Git
> > > > >> for Windows, I now get a dialog box that says "Error: couldn't execute
> > > > >> "git": file name too long". I've noticed that the most pronounced
> > > > >> effect is that I cannot see the file diffs (or sometimes the file name
> > > > >> list) for any of the commits. I don't know the exact repro, but I've
> > > > >> narrowed down the following things:
> > > > >>
> > > > >> - This does not happen with the same repo if I use a system that has
> > > > >> git 2.19.0.windows.1 on another machine.
> > > > >> - This does not happen on my current machine in a freshly cloned repo.
> > > > >
> > > > >
> > > > > How “deep” are the paths to the different clones on the different systems? Are all of the clones at exactly the same path on disk?
> > > > >
> > > > > Git on Windows is (by defaulted) limited by MAX_PATH, which is 260 characters. That length is calculated including the path to the repository itself and then to the file inside the repository. That means, for example, a given repository cloned to C:\repo may not have issues, but the same repository cloned to C:\Users\Bryan\Documents\workspaces\repo may.
> > > > >
> > > > >>
> > > > >> However, as soon as the remote updates with any changes on a given
> > > > >> fetch/pull, the repo is put in a bad state permanently.
> > > > >>
> > > > >> I've pasted the output from gitk below...
> > > > >>
> > > > >> couldn't execute "git": file name too long
> > > > >> couldn't execute "git": file name too long
> > > > >>     while executing
> > > > >> "open $cmd r"
> > > > >>     (procedure "getallcommits" line 48)
> > > > >>     invoked from within
> > > > >> "getallcommits"
> > > > >>     (procedure "readcache" line 80)
> > > > >>     invoked from within
> > > > >> "readcache file827e200"
> > > > >>     ("eval" body line 1)
> > > > >>     invoked from within
> > > > >> "eval $script"
> > > > >>     (procedure "dorunq" line 11)
> > > > >>     invoked from within
> > > > >> "dorunq"
> > > > >>     ("after" script)
> > > > >>
> > > > >> Happy to gather whatever data needed.
> > > > >> Thanks!
> > > > >> - Bret Barkelew
> > > >
> >

  reply	other threads:[~2019-01-10 18:55 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-04  2:21 Bret Barkelew
     [not found] ` <CAGyf7-HcncFOfmm5McEkOvCTkHNdePDSEQDZwEAK=z1bmC=QKw@mail.gmail.com>
2019-01-04  3:38   ` Bret Barkelew
2019-01-09 18:39     ` Johannes Schindelin
2019-01-09 18:48       ` Bret Barkelew
2019-01-10 15:19         ` Johannes Schindelin
2019-01-10 18:55           ` Bret Barkelew [this message]
2019-04-18 18:16             ` Bret Barkelew
2019-04-27 23:20               ` Johannes Schindelin
2019-05-29 16:40                 ` Bret Barkelew
2019-05-29 18:07                   ` Johannes Schindelin

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