git/list[1] front-page[2] threads[3] people[4] search[5] about
 

Re: git version 2.20.1.windows.1 throws file name too long in gitk

From
Johannes Schindelin <johannes.schindelin@gmx.de>
Date
Jan 10, 2019, 15:19 UTC
Message-ID
<nycvar.QRO.7.76.6.1901101616100.41@tvgsbejvaqbjf.bet>
In-Reply-To
<CAGTkKajkW-U9mhh_GmTXmZQbnceEKX_BcMtOF4hOhEDZe2u9Bw@mail.gmail.com>
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.

Ciao, Johannes

On Wed, 9 Jan 2019, Bret Barkelew wrote:
Show 89 quoted lines
> 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
> > >
> 
Previous: Bret BarkelewNext: Bret Barkelew
Message 5 of 10 in “git version 2.20.1.windows.1 throws file name too long in gitk”
  1. Bret BarkelewJan 4, 2019
  2. Bret BarkelewJan 4, 2019
  3. Johannes SchindelinJan 9, 2019
  4. Bret BarkelewJan 9, 2019
  5. Johannes SchindelinJan 10, 2019
  6. Bret BarkelewJan 10, 2019
  7. Bret BarkelewApr 18, 2019
  8. Johannes SchindelinApr 27, 2019
  9. Bret BarkelewMay 29, 2019
  10. Johannes SchindelinMay 29, 2019

Read the whole thread, see it on lore, or plain text.

$ cat FOOTERMessages come from the public archive at lore.kernel.org/git, fetched every hour. The front page is chosen and written each morning by an AI editor and can be wrong; the threads themselves are the record. About and API. For agents: an MCP server at https://gitlist.dev/mcp, and any thread, story or person page as Markdown by adding .md to its URL (or sending Accept: text/markdown). Details in /llms.txt.