Branko ÄŒibej <brane@xbc.nu> writes:
> Philip Martin wrote:
>
>>Branko ÄŒibej <brane@xbc.nu> writes:
>>>>
>>>The only way I know to do this on Unix (if your filesystem doesn't have
>>>inheritable ACLs) is to put all your users into the same group (doesn't
>>>have to be the primary group), use umask 002 and set the sticky-group
>>>bit on the directories in the subversion WC.
>>
>>On my system chmod(2) says
>>
>> "The effective UID of the process must be zero or must match the
>> owner of the file."
>>
>>so the sticky bit does not appear to solve the shared working copy
>>problem. It does solve the shared repository problem.
>>
> Hm? What does chmod have to do with sticky group ownership?
Perhaps I misunderstood, I thought you were suggesting that group
access (hence the sticky bit) would be sufficient for shared working
copies.
> What I described works on every Unix-ish system i've laid my hands
> on. Not many, I'll admit -- only AIX, HP-UX, Solaris, FreeBSD and
> Linux.
On my Linux box only the owner of a file can change the permissions on
that file. So it doesn't matter how I set up groups, umask or sticky
bits, only the wc owner can run update.
$ umask
0002
$ groups
pm
$ svnadmin create repo
$ svn co file://`pwd`/repo wc
$ chmod -R +t wc
$ svn mkdir -m "" file://`pwd`/repo/foo
$ su corris
Password:
$ newgrp pm
Password:
$ groups
pm corris
$ umask
0002
$ svn up wc
../svn/subversion/libsvn_subr/io.c:749: (apr_err=1)
svn: Can't set file 'wc/.svn/entries' read-write: Operation not permitted
What's really nasty is that this leaves wc/.svn/tmp/entries owned by
the "other" user and it gets reused when the wc owner runs update.
Thus when wc/.svn/tmp/entries gets renamed to wc/.svn/entries it is
still owned by the other user, and so the wc owner cannot set its
permissions and the update fails.
Shared working copies are not really possible.
--
Philip Martin
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Received on Sat Dec 13 19:53:58 2003