Re: git fork failure on pull with a workaround (hopefully a clue for a fix)

[Bill Hoffman <bill dot hoffman at kitware dot com>]

On 11/7/2012 3:30 PM, Jeremy Bopp wrote:
> On 11/07/2012 01:02 PM, Bill Hoffman wrote:
> > Is there a
> > way to debug this?
>
> The first step is to follow the problem reporting guidelines:
>
>    http://cygwin.com/problems.html
>
> Following them may reveal a conflicting cygwin.dll file or something
> similar in your full path which is interfering with some git subcommand
> loading properly.

Attached is the cygcheck.out.

> Given that a PATH of just /usr/bin works for you, try appending
> progressively more segments of your original path until the problem
> reproduces.  Once you find a PATH that reliably fails, remove the last
> added segment as a suspect and continue adding the remaining segments
> from the original PATH until you are left with a good PATH and a list of
> suspects.  Then go back to the PATH of /usr/bin and append each suspect
> individually and test again to see if the suspects are the problem alone.

I had done that in the past and found that it seemed to be a length 
issue.  I could not find a specific thing that needed to be in the PATH 
to make it break.  I just tried again, and here is what I found:

This fails:  (length 372)

export PATH="/usr/bin:/cygdrive/c/Program Files (x86)/Microsoft Visual 
Studio 9.0/Common7/IDE:/cygdrive/c/Program Files (x86)/Microsoft Visual 
Studio 9.0/VC/BIN:/cygdrive/c/Program Files (x86)/Microsoft Visual 
Studio 
9.0/Common7/Tools:/cygdrive/c/Windows/Microsoft.NET/Framework/v3.5:/cygdrive/c/Windows/Microsoft.NET/Framework/v2.0.50727:/usr/local/bin:/usr/bin:/some/bogus/path/that"


But this works:  (length 371)

export PATH="/usr/bin:/cygdrive/c/Program Files (x86)/Microsoft Visual 
Studio 9.0/Common7/IDE:/cygdrive/c/Program Files (x86)/Microsoft Visual 
Studio 9.0/VC/BIN:/cygdrive/c/Program Files (x86)/Microsoft Visual 
Studio 
9.0/Common7/Tools:/cygdrive/c/Windows/Microsoft.NET/Framework/v3.5:/cygdrive/c/Windows/Microsoft.NET/Framework/v2.0.50727:/usr/local/bin:/usr/bin:/some/bogus/path/tha"


However, it is not just length....

Because this one works:  (length 400)

export PATH="/usr/bin:/cygdrive/c/Program Files (x86)/Microsoft Visual 
Studio 9.0/Common7/IDE:/cygdrive/c/Program Files (x86)/Microsoft Visual 
Studio 9.0/VC/BIN:/cygdrive/c/Program Files (x86)/Microsoft Visual 
Studio 
9.0/Common7/Tools:/cygdrive/c/Windows/Microsoft.NET/Framework/v3.5:/cygdrive/c/Windows/Microsoft.NET/Framework/v2.0.50727:/cygdrive/c/Program 
Files (x86)/Microsoft Visual Studio 9.0/VC/VCPackages"

> Since its also possible that you may be encountering some PATH length
> limit here, it may also be worthwhile to report the output of the
> following command:
>
>    echo "$PATH" | wc -c
>
> Good luck!
Thanks.


-Bill

Attachment: cygcheck.out
Description: Text document

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