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Re: [bug] Merge resulting in a conflicted WC file does not produce a "conflicted" merge notification

From: Daniel Rall <dlr_at_collab.net>
Date: 2006-08-08 23:54:30 CEST

On Tue, 08 Aug 2006, Daniel Rall wrote:
> I'm seeing the same behavior with Subversion trunk and 1.4.x. A merge
> which results in a conflicted file in your WC does not produce a
> "conflicted" merge notification.
> This merge should give a conflict but it does not
> A test.c
> <<<<<<< .working
> hello
> =======
> Hello
> >>>>>>> .merge-right.r5

We're calling the notification callback function provided by the 'svn'
command-line client -- subversion/svn/notify.c:notify(). Tracing the
code execution, we see our svn_wc_notify_t * parameter looks like:

(gdb) p *n
$1 = {path = 0x8c15730 "test.c", action = svn_wc_notify_update_add,
  kind = svn_node_file, mime_type = 0x0, lock = 0x0, err = 0x0,
  content_state = svn_wc_notify_state_conflicted,
  prop_state = svn_wc_notify_state_unknown,
  lock_state = svn_wc_notify_lock_state_unknown, revision = -1}

The callback is getting invoked with an action of
svn_wc_notify_update_add, which has no handling for a conflicts (only
for simple adds):

    case svn_wc_notify_update_add:
      nb->received_some_change = TRUE;
      if ((err = svn_cmdline_printf(pool, "A %s\n", path_local)))
        goto print_error;

The handling for conflicts exists in the "case
svn_wc_notify_update_update" block.

It appears that we're not expecting "svn_wc_notify_update_add" to ever
perform a merge -- and thus threaten to create conflicts -- as we're
seeing here.

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Received on Tue Aug 8 23:56:10 2006

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