[Samba] Subversion working copy via Samba

Dalibor Karlović dado at burza.hr
Thu Oct 6 06:54:32 MDT 2011


I don't know is this a Samba or Subversion (or my faulty config) related 
issue so I'll start here. I'd like to clarify that the need to have just one 
working copy (and not one per user on his/her local disk) is vital here.

My situation:
- CentOS6, 
- Active Directory-enabled environment
- Server is connected to AD, users are synced up
- All users are in AD group "Production" which is available as a local group 
on the server via Winbind
- There's a /data/html on an ACL-enabled EXT3 volume,
ACL entry:
# file: data/html
# owner: root
# group: production
# flags: -s-

    # stop SVN working copies from going belly-up
    delete readonly = yes

    path = /data/html
    read only = No
    browseable = Yes
    force group = production
    valid users = @production
    force create mode = 0664
    force directory mode = 0775
    inherit acls = Yes

- check out a working copy to this directory
- allow only members of @Production to access it
- allow various Subversion clients to be used via Samba on the working copy
- allow for using SVN directly on the server (not via Samba, MUCH faster for 
large operations like checkout) without the need to fix permissions 
afterward (seamlessly)

Now, I get most of it done:
- I login via SSH and do a checkout
- access the share via Samba (Linux, Fedora 14), it works
- can commit/update/delete on either side, no issues

But, as soon as my co-worker on Win7/TortoiseSVN deleted a file (via Samba), 
he gets (Q:\ points to this share):

Commit succeeded, but other errors follow:
Error bumping revisions post-commit (details follow):
In directory 'Q:\webs\<censored>\trunk\images'
Error processing command 'committed' in 'Q:\webs\<censored>\trunk\images'
Can't set file 
read-write: Access is denied.

and from then on, the working copy is so badly damaged (locked, missing 
files/directories), etc. that I haven't found a way to fix it.

Examining the permissions on the file in question, it seems Subversion sets 
the access mode to r--r--r-- as to avoid tampering (?) and the Windows 
client isn't able to change it. The other reason might be that one user is 
changing the file another user owns, but they're in the same group.

So, my question is: is there anybody out there who has a similar setup which 
in fact runs OK? Also, am I missing something obvious here (except for the 
weird SVN usage pattern)?



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