[sage-support] Unable to check out trac tickets

[Dima Pasechnik]

So you want to push the current branch to trac; you have committed local 
changes.
Show us the output of

git status

if unsure. Then, in case, 
check that track's repo is known as trac. Type 

git remote -v

In the output you should see the line

trac g...@trac.sagemath.org:sage.git (push)

Then do

git push trac --set-upstream HEAD:u/zgershkoff/transversal_matroids

It should succeed, assuming your authentication with trac git is set up OK,
and setting the local branch to follow the remote one (anyway, the latter is no 
big deal if you only work on this branch from one local repo).

Finally, edit the ticket on trac and put 
u/zgershkoff/transversal_matroids into the branch field.
Done.

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[sage-support] Unable to check out trac tickets

[Zachary Gershkoff]

I tried to create a new ticket and link it to an existing local branch 
using git-trac. The trac ticket was created, but attaching a local branch 
to it failed. I tried checking out the ticket that it created (23536) and 
this happened:

zgersh2@helmholtz:~/sage$ git trac checkout 23536
Loading ticket #23536...
Newly created local branch: t/23536/transversal_matroids
Traceback (most recent call last):
  File "/U1/accounts/zgersh2/git-trac-command/bin/git-trac", line 18, in 

cmdline.launch()
  File "/U1/accounts/zgersh2/git-trac-command/git_trac/cmdline.py", line 
215, in launch
app.checkout(args.ticket_or_branch, args.branch_name)
  File "/U1/accounts/zgersh2/git-trac-command/git_trac/app.py", line 116, 
in checkout
self._checkout_ticket(int(ticket_or_branch), branch_name)
  File "/U1/accounts/zgersh2/git-trac-command/git_trac/app.py", line 134, 
in _checkout_ticket
self.repo.create(local)
  File "/U1/accounts/zgersh2/git-trac-command/git_trac/git_repository.py", 
line 145, in create
self.git.fetch('trac', starting_branch)
  File "/U1/accounts/zgersh2/git-trac-command/git_trac/git_interface.py", 
line 341, in meth
return self.execute(git_cmd, *args, **kwds)
  File "/U1/accounts/zgersh2/git-trac-command/git_trac/git_interface.py", 
line 328, in execute
popen_stderr=subprocess.PIPE)
  File "/U1/accounts/zgersh2/git-trac-command/git_trac/git_interface.py", 
line 263, in _run
raise GitError(result)
git_trac.git_error.GitError: git returned with non-zero exit code (1) when 
executing "git fetch trac develop"
STDERR: error: garbage at end of loose object 
'20d0fd3d389aeea9ad4b9b91cfeeab9f03607478'
STDERR: fatal: loose object 20d0fd3d389aeea9ad4b9b91cfeeab9f03607478 
(stored in .git/objects/20/d0fd3d389aeea9ad4b9b91cfeeab9f03607478) is 
corrupt
STDERR: error: git://trac.sagemath.org/sage.git did not send all 
necessary objects
STDERR:

I'm not sure what to do here. Apparently I have to take out some garbage 
before uploading my changes?

For what it's worth, the branch "t/23536/transveral_matroids" was not 
actually created, since it doesn't show up when I use "git branch".

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