On Fri, 10 Oct 2014 00:37:17 -0700 (PDT)
j...@norricorp.f9.co.uk wrote:

> [vobadm@centos64 git_repos]$ ls -l
> total 20
> drwxrwxrwx. 7 vobadm users 4096 Oct  9 17:53 csg2.git
> drwxrwsr-x. 7 vobadm users 4096 Jan 30  2013 dev_maven.git
> -rw-r--r--. 1 vobadm users   47 Oct  9 13:42 groups
> drwxrwxrwx. 7 vobadm users 4096 Sep  9 09:39 norriquest.git
> -rw-r--r--. 1 vobadm users   43 Oct  9 13:41 passwords

Please note that normally having world-writable directories other than
/tmp and /var/tmp is a very bad idea.  Hope you've done this
intentionally for testing purposes only.

>  <Location /csg2.git>
>         AuthType Basic
> C:\GitWork>git clone *http://centos64/git/csg2.git*

You've set up authenticated access for the "/csg2.git" path component
of your Git URI and then used "/git/csg2.git" when cloning, so whatever
is defined by that <Location> section is never considered by the
web server because it does not match the URI.

You could type


in your browser to see it asking you to authenticate.

> C:\GitWork\http_csg2\csg2>git push
> Counting objects: 6, done.
> Delta compression using up to 4 threads.
> Compressing objects: 100% (2/2), done.
> Writing objects: 100% (4/4), 325 bytes | 0 bytes/s, done.
> Total 4 (delta 1), reused 0 (delta 0)
> error: unpack failed: unpack-objects abnormal exit
> To *http://centos64/git/csg2.git* <http://centos64/git/csg2.git>
>  ! [remote rejected] master -> master (n/a (unpacker error))
> error: failed to push some refs to '*http://centos64/git/csg2.git* 
> <http://centos64/git/csg2.git>'

To me, it looks like the git-http-backend binary failing to unpack the
stream your local Git instance sent to it.  Unfortunately, since the
error report is really moot, I can't tell why exactly did it fail.

One thing to consider is that to unpack something, you have to *write*
whatever is unpacked somewhere.  I presume, the HTTP backend tries to
unpack those objects to the repostory's object storage, and fails.

What would I check:

1) /var/log/apache/error.log (or whatever serves this purpose on
2) Verify that the user your Apache instance uses has the necessary
   permissions to write to those repositories.
   I see the directories of your repos have (normally nonsensical)
   access bits (everyone has write access) but the object storage of
   a Git repo is a hierarchy of directories, so if you only chmod'ded
   the top-level ones, it's not gonna work.

If the reason really is (2), make sure to properly setup the access
modes afterwards.

If you'll be unable to figure out why git-http-backend fails, one
approach could be to create a wrapper script (targeted by ScriptAlias)
around git-http-backend which would run that program under `strace -f`
and record its output somewhere.  Then after a failed attempt at
pushing you could inspect the generated trace to see which system call
failed, and with which error.

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